Kramer Master Tape User Manual
Contents
1. With adjustable tape speed bias flux wow amp flutter and modeled noise the Kramer Master Tape provides comprehensive control over the contours of your sound To top it off we ve added a flexible slap amp feedback delay section Accurately modeling the character and sound of the machine proved quite challenging from the acquisition of well maintained components generously provided by Eric schilling Shakira Gloria Estefan Natalie Cole Elton John down to finding the correct magnetic tape in addition to modeling the mechanical and magnetic modulations and Waves Kramer Master Tape User Guide 3 colorations that give these rare machines their own unique sound Special thanks go out to Bob Olhsson Stevie Wonder Marvin Gaye Diana Ross and especially John Haeny Bonnie Raitt Weather Report Jackson Browne Linda Ronstadt Jim Morrison Tom Jones who provided invaluable assistance in the development of the Kramer Master Tape plugin You can read in greater detail about the modeling process in the White Paper which is included as an appendix to this manual 1 3 Concepts and Terminology The following are a few of the terms and concepts that you will encounter while using the Kramer Master Tape plugin You can read more about them in the White Paper at the end of this manual Tape Speed The Kramer Master Tape offers two tape speeds Low 7 5 inches per second or ips and High 15 ips Low speed offers better low f2. Bias to Over Bias mode you should expect to hear a bit less noise clearer high frequencies reduced distortion and a bit more overall dynamic range and clarity once again the result of less overall THD Flux Defined The magnetic flux density recorded on a tape level The standard unit in measuring the amount of magnetic energy recorded to tape is expressed in NanoWebers per meter commonly abbreviated as nWb m When picking an operating level for tape flux level the general rule is that the higher the operating level the further away you are from the noise floor but the closer you are to the point of distortion This dynamic is highly dependant on the tape stock being used For a detailed dissertation on magnetic recording flux and flux frequency measurements please use this URL Waves Kramer Master Tape User Guide 22 http home comcast net mrltapes mcknight flux and flux frequency response measurements pdf Flux is the magnetic density recorded on the tape per meter nWb m the higher the flux level the higher the recording level on the tape In order to reach higher recording levels you need to have tapes that can manage a higher flux level many modern tapes can reach very high recording levels with minimum distortion with the added benefit of reduced noise or tape hiss The manufacturer initially established a recording level for recordings made on their machines during the 1950s This was called Standard
3. Operating Level This recording level was at a flux level of 185 nWb m All early alignment tapes were Standard Operating Level or 185 nWb m signals and eventually became the standard for all magnetic tape recording As tapes were developed to handle greater and greater flux or higher recording levels the industry continued to rate tape flux levels based on the original Standard Operating Level For example a tape that was designed to record signals at 250 nWb m was said to be recording at 3 dB over the Standard Operating Level of 185 nWb m As a point of reference since the Flux Control on Kramer Master Tape is calibrated in nWb m here is a quick reference guide for comparison Source Quantegy 2 dB 150 nWb m 0 dB 185 nWb m Standard Operating Level 3 dB 250 nWb m 5 dB 320 nWb m 6 dB 370 nWb m 9 dB 520 nWb m Science aside early on many engineers discovered that by pushing or abusing the recording levels on tapes it created some very musical and frequently desirable side effects especially in Rock and Roll recording Tape has a very unique way of going into saturation or overload whereas digital is basically go or no go with over modulation producing clipping As the levels are raised on analogue tape a number of things increase simultaneously and fairly gradually Total Harmonic Distortion THD Inter modulation Distortion M Modulation Noise and a mix of other aberrations and for ms of distortion many of
4. as a preset in the Load menu under User Presets User Presets can be overwritten and deleted Setup Files may contain more than one preset For example a single file can contain all the presets for a session When you open a Setup File all its setups become part of your Load pop up menu for fast access This can be particularly useful with multiple instances of a plugin in a single session By saving all the settings you create into a single Setup File they can all be quickly available for every instance of that plugin Waves Kramer Master Tape User Guide 14 Loading Presets and Setups an Click on the Load button to see the Load pop up menu The menu is divided into four sections If a section is not currently available it will not appear in the Load pop up menu Open Preset File Select to open any setup or preset file whether from the Library or your own creations Filename xps Displays any currently loaded Setup File and its presets Factory Presets Displays the default Factory Presets User Presets Displays any loaded User Presets Saving Presets and Setups Click on the Save button to see the Save pop up menu Four options are available If an option is not currently available it will be grayed out and inaccessible Save to New File Save File Name Preset Name Save to File Name As Put into Preset Menu As Select this to start a new Setup file There are two p
5. c iic qu cos Esc OU ve LORS Eo 19 Waves Kramer Master Tape User Guide 2 Chapter 1 Introduction 1 1 Welcome Thank you for choosing Waves In order to get the most out of your Waves processor please take the time to read through this manual In conjunction we also suggest that you become familiar with www wavesupport net There you will find an extensive Answer Base the latest Tech Specs detailed Installation guides new Software Updates and current information on Authorization and Registration By signing up at www wavesupport net you will receive personalized information on your registered products reminders when updates are available and information on your authorization status 1 2 Product Overview Developed in association with producer engineer Eddie Kramer Jimi Henarix Led Zeppelin the Kramer Master Tape plugin is modeled on a rare vintage 4 tube powered reel to reel machine A similar machine was used by Eddie Kramer during the late 60s at London s Olympic Studios to record some of rock s most classic tracks by artists including Jimi Hendrix Rolling Stones Led Zeppelin and Traffic Typically it was the final link in his recording chain used to record the output of the Helios console modeled in the Kramer HLS Channel plugin with dynamics processing by the PYE compressor modeled in the Kramer PIE Compressor plugin
6. is NOT affected by the running speed of the transport If you need to ask why Waves included this bonus function the answer is quite simple because they could and they were confident that you would enjoy it WHAT TO EXPECT FROM THE KRAMER MASTER TAPE Default Set Up The default set up of the Kramer Master Tape without any adjustments will provide identical results to having made your recording on 3M Scotch 207 at 15 ips using a NAB standard curve with an over bias of 3 dB at 15 kHz and at a recording flux level of 185 nWb m This will yield the sound of the basic industry set up for this machine at the height of its era The only item remaining for you to decide will be whether or not to have tape and tube amplifier noise and if so exactly to what degree Of course you also have other options with regard to bias wow speed and most dramatically a continuously variable flux control starting at the ultra conservative setting of 2 dB below the classic Standard Operating Level all the way to some rather massive heretofore unattainable in a plugin extreme analogue tape saturation effects Meter Transfer Switch On the face of the meter you will find a switch that lets you choose whether the meter displays the plugin s input or its output This is purely a meter transfer switch and has no effect on the monitored sound Waves Kramer Master Tape User Guide 25 Mode Switch or Input Reproduce In place of the classic record light y
7. the modeling process Because the members of the Waves team had extensive experience with 3M Scotch 206 a 1 5 millimeter base and 3M Scotch 207 a 1 0 millimeter base 207 was selected because of the slightly thinner base although perhaps subject to greater print through clearly not an issue for a tape modeled plugin 207 provided a more intimate recording and playback head contact called tape wrap and thus produced a more extended high frequency response Fortunately John Haeny had a sufficient supply of virgin 3M Scotch 207 stock for the purpose so off the shipment flew from Australia to Florida Tape Speed The original machine s transport has 2 speeds 15 ips inches per second and 7 5 ips 15 ips was the default professional standard providing the best high frequency response and the lowest noise 15 ips has a gentle roll off at around 16 kHz 7 5 ips was the minimum reasonable professional quality speed for studios and there was also a fair amount of equipment for the home that operated at 7 5 ips 7 5 ips has quite a high frequency loss with a roll off starting at around 8 kHz but 7 5 ips managed to preserve low frequencies better than 15 ips with a slightly more solid bottom end and therefore was widely used in rock recordings in the 60 s and 70 When switching between the 2 speeds you should expect to get a very much improved high frequency response with 15 ips when compared to 7 5 ips but perhaps a somewhat less tight lo
8. the modulations and fluctuations of speed and gain Range 0 100 Default 50 as modeled from the original NOISE controls the level of added modeled noise including noise modulations and signal additive noise Range Off 40 dB to 0 0 as modeled from the original Default Off Waves Kramer Master Tape User Guide 13 Chapter 4 The WaveSystem 4 1 The WaveSystem Toolbar All Waves plugins feature the WaveSystem toolbar which takes care of most administrative functions you will encounter while working with your Waves software The features of the WaveSystem toolbar are the same on practically all Waves plugins so familiarity with its features will be helpful whichever plugin you are using Toolbar Functions y Opens the plugin About box Undo Undoes the last 32 actions Redo Redoes the last 32 undone actions Setup Toggles between two presets useful for comparison of parameter settings L R Arrows Move to the previous or next preset Copy Copies the current settings to the second preset register Load Recalls presets from file Save oaves presets in the Waves file formats Opens the PDF manual for the plugin you are using 4 2 Preset Handling Preset Types Factory Presets are permanent presets in the Load menu Factory presets cannot be overwritten or deleted When applicable different component plugins may have different factory presets User Presets are your favorite settings of the plugin saved
9. the variety of analogue tape recordings but the variety of bias flux levels tape saturation and speed settings When Waves began evolving early stage Alpha plugs they required painstaking subjective analysis by comparison to the original samples recorded on the original tape machine and then through feedback to the development and engineering team the models were honed Because Waves felt they could best do their development using only one platform at a time they chose to do their final development on the Macintosh at which time Bob who primarily uses a PC offered to take a back seat John volunteered to take up the slack and became a more or less full time co developer of the Kramer Master Tape plugin WHAT WAS MODELED AND HOW DOES THAT AFFECT THE GUI AND THE OPERATION OF THE KRAMER MASTER TAPE Tape Type Waves modeled 3M Scotch 207 tape as it was considered an excellent match for this machine Originally 3M Scotch 111 tape would have been the tape of choice for many during the early days of analogue tape recording There were other earlier tape types that were exceedingly popular as well for example 3M Scotch 201 202 203 was used extensively by Motown but sadly it was no longer available in a sufficient and durable enough quantity for this project Waves was also able to source an amount of an earlier tape stock 3M Scotch 131 but sadly the quality was poor and it did not hold up during Waves Kramer Master Tape User Guide 20
10. ER TAPE WHITE PAPER Written by John Haeny Based on an original outline by Mike Fradis Waves Product Manger Edited by Michael Costa Bias Definition by Michael White Introduction When Waves started a hardware modeling project with Eddie Kramer it was always their intention to create a model of the original recording chain from Olympic Studios in London that Eddie used on his great recordings of Led Zeppelin The Rolling Stones and Jimi Hendrix The model of the Helios Console Channel was challenging resulting in the Waves Kramer HLS Channel Next was the modeling of the famous PYE compressor which was released as Waves Kramer PIE Compressor Missing from this golden chain was the classic American tube analogue tape machine used for these recordings Waves acquired what they believed was the right machine and set about modeling knowing it would be difficult based on what was already on the market As it turned out the task was much more daunting than anticipated and Waves first attempt the initial Kramer Master Tape was withdrawn shortly after being introduced into testing It turned out that this third piece of the Kramer Olympic chain was going to be the hardest Waves discovered along with the guidance of some of their Beta team that they were missing a number of things each one extremely complicated by itself and in total representing a huge challenge Thanks to the guidance of Bob Olhsson and John Haeny Waves were ultimat
11. Master Tape Flux control just think of it as a tape drive or saturation control As you increase the flux level on the tape the output of the Kramer Master Tape plugin stays constant at unity gain unless you choose to adjust the output gain control Noise Although the Noise control on the Kramer Master Tape is defaulted to off it is strongly suggested that you take a listen to it If this can be said you may find it to be some of the sweetest noise you will ever hear since it is a combination of the tape hiss generated by analogue tape recording overlaid by the thermal tube noise of this historic machine s input and output electronics Wow Defined Wow and flutter in analogue tape recoraings results from the turning speed inaccuracies FM and flutter effect AM caused from changes in the physical alignment of the tape on the actual recording head coupled with the slip and slide of the tape going through the transport mechanism and a variety of mechanical frictions In a perfect world there would not have been wow and flutter Many in the day considered wow and flutter the same as surface noise on a vinyl disc just something negative one had to live with since that was the state of the art But like noise there are Waves Kramer Master Tape User Guide 24 many that will feel that any model is not complete without all the flaws as well For that reason Waves has provided you a manual wow control on the plug
12. WAVES KRAMER MASTER TAPE USER GUIDE Setup WAVES TABLE OF CONTENTS CHAPTER 1 INTRODUCTION ec ererr eurn nnne nun 3 ee WWE I tuU tuu EE 3 PRODUCT OVERVIEW sardo nS PUE UI 3 1 3 CONCEPTS AND TERMINOLOGY aici i eost coxa due cta ox oda uen De un ede Nyon Ev we aD ax pde sica dex deo ecd 4 TOR COMPONENTS ues coeur acr chien Ec M UE EU c AME UL E UI Le oot TE 7 CHAPTER 2 QUICK START GUIDE crc erre erre 8 CHAPTER 3 INTERFACE AND CONTROLS 9 SH INTEREACE t Dax ea nM tue D E gb E Rura iU M EDAM 9 SOC eee c UE Eu 10 CHAPTER 4 THE WAVESYSTEM eere rn 14 Al THE WAVESYS TEM TOOLBAR aerate he taal cane 14 4 2 PRESET AND EINGcctacecetestwacutedsnauetaenatesees 14 4 3 INTERFACE CONTROES 16 4 4 WAVES PREFERENCES PRO TOOLS ONLY 18 CHAPTER 5 APPENDIX 5
13. ad below the VU meter display and does not have a visible label For most users the default headroom setting of 18 dB should be the best choice On the Stereo component use the screw located on the left to calibrate both meters Range 24 dBFS 8 dBFS Default 18 dBFS DELAY TIME controls the time of the tape delay effect with settings for 7 5 ips 266 milliseconds and 15 ips 133 ms Range 1 ms 500 ms continuous Default 133 ms 15 ips DELAY TYPE toggles between delay modes Range Slap Feedback Default Feedback DELAY LEVEL controls the amount of the delayed output signal Range Off 100 Default Off Waves Kramer Master Tape User Guide 11 LOWPASS controls the LP cutoff frequency on the delay path Range 200 Hz 16 kHz Default 3 5 kHz RECORD LEVEL controls the input level Range 18 dB Default 0 dB LINK I O links Record and Playback Levels controls The link relationship is inversely proportional i e an increase in Record Level results in a decrease in Playback level and vice versa Range Linked Unlinked Default Linked PLAYBACK LEVEL controls the total signal output level Range 18 dB Default 0 dB FLUX controls the level of simulated magnetic radiation emitted from the record head Range 150 nWb m 1020 nWb m Default 185 nWb m Reference machine 0 dB Waves Kramer Master Tape User Guide 12 WOW amp FLUTTER controls
14. ape plugin is the result of almost two years of failures and triumphs and contains the heart and soul of many contributors Waves sincerest hope is that you will enjoy Kramer Master Tape and that it will become an invaluable component in your sonic toolkit Kramer Master Tape used in conjunction with the Kramer HLS and the Kramer PIE finally completes the magic of the original Kramer Olympic Studio recording chain Waves Kramer Master Tape User Guide 27
15. ased operating levels also stress the tube input and output stages giving you the bonus of an additional level of overall tube distortion Kramer Master Tape is the first tape modeling plugin that has actually managed to create a continuously variable flux control letting the user sonically understand the changes between different recording levels Add to this that this is also being done on a fully tube electronics tape machine and you truly have a one of a kind plugin unique in the industry As an added feature using Kramer Master Tape in the input only mode allows you to add the sound of the input and output tube electronics minus the sound of analogue tape recording Increasing the record level as you reduce the playback level to maintain unity gain increases the tube saturation of the input and output amplifiers independent of the flux control which only affects tape saturation These controls can be used either in conjunction with the sound of the tape saturation or without the tape saturation to create just the sound of these unique tube amplifiers operating across their entire range of saturation Because of the independence of the flux control and the record level and playback level controls you have full control over both the tape saturation and the tube saturation while maintaining the level of the Kramer Master Tape track in your mix using the Link function for the record and playback controls To simplify the Kramer
16. aves Kramer Master Tape User Guide 16 Value Window Buttons Value windows display the value of a control and allow click and drag adjustment or direct control via the keyboard e Using the mouse click and drag on the value window to adjust Some value windows support left right some up down as you hover over a button arrows will appear to let you know which direction of movement that button supports You may also use your mouse wheel to adjust parameter values e Using the arrow keys click once with mouse to select the button and then use up down left right depending on the direction supported by that button to move in the smallest incremental steps across the button s range holding down the arrow keys will move faster through the range e Using key entry double click on the button to open the value window and directly enter the value from your keyboard If you enter an out of range number the button stays selected but remains at the current setting System beeps if system sounds are on Some plugins have link buttons between a pair of value windows allowing click and drag adjustment while retaining the offset between the controls Sliders Click or scroll the mouse wheel on the slider itself or anywhere within the sliders track The numerical value of the slider settings is displayed in a hover window above the slider path Hover Box Hovering boxes will appear and display the control value when hovering with t
17. ely directed to the correct transport and tube electronics With Bob s help one of these rare beasts was found in Florida owned by Eric Shilling Eric kindly agreed to let Waves do some preliminary testing to ensure that this machine was producing the sound that both Bob and John had missed in Waves first effort To clarify what appears to be a contradiction regarding the Olympic tape machine being an American product in a British studio it should be made clear that at the time Eddie Kramer was working at Olympic Studios in London it was these American tape machines that Olympic and their clients were using as master recorders This world famous tube tape machine was the mainstay of the recording industry particularly in America and was used for literally thousands of hit albums and singles over more than two decades of recording For example in 1954 an early tube analogue reel to reel tape machine recorded the historic first single of an unknown truck driver named Elvis Presley That s All Right at Sun Studios in Memphis This same reel to reel tape machine was also the backbone of the earliest days of multi track recording The first of the 8 track versions of this recorder was custom built for and sold to Les Paul Waves Kramer Master Tape User Guide 19 for 10 000 in 1957 and was installed in his home recording studio It became known as the Octopus 8 track serial number 3 of the same machine was sold to Atlantic Records at Tom D
18. ere designed to handle lower flux levels modern tapes could withstand much higher flux before distorting resulting in relatively lower noise Noise The Kramer Master Tape plugin features modeled noise which is a combination of the tape hiss generated by analog tape recording overlaid by the thermal valve noise of the reference machine s input and output electronics Wow amp Flutter The term wow amp flutter refers to modulations and fluctuations in speed and gain caused by physical friction of the mechanical parts of the tape machine and the tape itself While the original machines were designed to minimize wow and flutter they nonetheless have become part of the sound we associate with analog tape Increasing the Wow amp Flutter control makes for a rougher more worn sound VU Meter The Kramer Master Tape features a modeled analog VU meter where 0 dBVU 1 23Volts RMS 4 dBu at 1 kHz Using a 700 Hz tone at 18 dBFS input and output levels are equal The default VU meter calibration is 18 dBFS 0 dBVU which we found to be optimal for achieving the desired sound when the meter action hovers around 0 dBVU For hot digital signals peaking close to 0 dBFS this will require lowering your Record Level proportionately to achieve proper tape sound When running hot signals the needle may stick to the right side 2 3 dBVU If you are achieving the desired sound but would like to see some meter action you can calibra
19. he mouse over the control Multiple Control Selection One of the most powerful features of the WaveSystem is the ability to select and adjust multiple controls simultaneously Using the mouse drag select the desired group of buttons or graphic controls by clicking and holding at a point outside the controls and forming a rectangle that includes the controls you wish to adjust Alternatively press and hold Shift while clicking the mouse on any control you wish to link This method is useful when you want to select two or more controls that are not adjacent to one another TAB Functions TAB moves the selected status to the next control with shift AB moving in the reverse direction Waves Kramer Master Tape User Guide 17 Additionally the Mac has an option TAB function for down movement and shift option TAB for up movement where applicable If you have several Value Window Buttons selected TAB functions will take you through the selected controls only Hitting Esc or Return will return the focus to the DAW application 4 4 Waves Preferences Pro Tools only When launching Pro Tools hold Shift to view the Waves plugin Preferences window The following options are available Don t use AudioSuite plugins Don t use RTAS plugins Rescan all plugins HUI control surface support low resolution Enable single click text entry Waves Kramer Master Tape User Guide 18 Chapter 5 Appendix KRAMER MAST
20. in s graphic interface It is defaulted to the wow and flutter modeled on the sample machine You can increase it for a somewhat more enhanced effect although it would have never been too obvious unless your machine was broken as it was always a subtlety of the analogue tape process or if you choose you can move to a more idealized world and turn the wow off Having or not having wow and flutter and or noise has nothing to do with the primary advantages of the analogue tape recording sonics so use them or not at your own discretion You will always have the advantages of the Kramer Master Tape sound with or without them Something Extra To sweeten the Kramer Master Tape package Waves also added a variable delay control 0 ms 500 ms that routes the tape playback of the plugin back to the input of the Kramer Master Tape This creates a very basic feedback tape delay effect across the entire signal the direct signal is always included in the mix A low pass LP filter was added to the delayed feedback path to allow you to filter out any unwanted high frequencies This delay feedback feature is intended to be very basic It does not offer a wide control section but is believed to contribute additional value to the Kramer Master Tape plugin Used carefully this function has the capacity to create some very lovely tape delay sounds It also needs to be pointed out that the delay is only affected by the Delay Time control in the delay section It
21. layback level and adjust levels individually Please note Since input levels have a significant impact on the sound of the plugin we recommend experimenting in order to find your optimal settings Waves Kramer Master Tape User Guide 8 Chapter 3 Interface and Controls 3 1 Interface 00909 000090009 i 1 A D D 4 D i A E a n L i 0 amp CES Waves Kramer Master Tape User Guide 9 3 2 Controls SPEED selects the simulated tape speed Range 7 5 ips 15 ips Default 15 ips When switching between the two speeds the noise and frequency response will change accordingly at 15 ips high frequency response is increased and noise is one octave higher than at 7 5 ips MONITOR selects the monitoring mode Range Repro Input Default Repro Repro mode monitors input stage tape stage and output stage Input mode monitors only the input tube stage of the reference machine before it goes to tape prior to the pre emphasis and de emphasis filters BIAS controls the level of the ultrasonic bias signal Range Nominal Over Default Over VU METER displays input or output level depending on your selection Range 20 dBVU dBVU Waves Kramer Master Tape User Guide 10 VU CALIBRATION controls the VU meter headroom calibration It is represented by the small screw he
22. ou will find an illuminated yellow or amber lamp The label above it will be in the default mode of Repro which means the output of the Kramer Master Tape is after the model of recording on tape i e in Repro mode you are hearing the sound of the playback head reproducing the signal previously recorded by the record head In the Input mode you will only be hearing the sound of the tube input and output electronic stages or directly through the machine without any tape running This is not a pure bypass and this sound is in and of itself valuable for many applications Other than the audio monitor transfer and the light being on for Reproduce and off for Input when in Reproduce the transport reels will also be turning to insure you that you are hearing the result of recording on analogue tape Should you choose not to have the reels turning simply clicking on them will turn their motion off What Should You Expect to Hear The sound of analogue magnetic tape recording may be new or un familiar to some born in the digital age The goal of the design of all analogue tape recorders was the same to provide a transparent colorless method of media storage The machine we modeled was quite successful in its day at accomplishing this goal But because of the state of the art at the time of this machine s development it still had a wide variety of limitations Tape saturation tape noise harmonic distortion modulation noise phase shift and limi
23. owd s insistence in early 1958 Atlantic Records was the first record company to use a multi track recorder in their studio on a regular basis Just pause for a moment and contemplate all the great recordings that came out of that Atlantic Records recording studio If they ever were to induct a tape recorder into the Rock and Roll Hall of Fame this would be the machine With the modeling project still appearing workable it turned out that the recording curve tape speed tape emulsion tape thickness flux or level recorded on the tape more later and the bias settings all greatly impacted the final result So again with Bob and John s help endless discussions and tests were made regarding tape types and alignment techniques until what Waves were going to model was finally settled Over time and with much experimentation they made sample recordings that both Bob and John agreed had established a solid baseline from which to proceed It would be these initial samples of the test recordings that would be used for detailed comparison to ensure that each model was performing accurately Once again Eric Shilling came to the rescue and agreed to do the massive testing and modeling runs required to model the two primary tape speeds a number of tape emulsions plus variations in flux and bias settings as well as approaches to alignment techniques With the modeling files in hand Waves began the excessively complex task of creating models not only of
24. r allowing you to cancel or OK the deletion A B Comparison and Copying The Setup A Setup B button may be clicked to compare two settings If you load a preset in the Setup B position this will not affect the preset loaded into the Setup A position and vice versa If you want to slightly modify the settings in Setup A you can copy them to Setup B by clicking on the Copy to B button then alter Setup A and compare with the original Setup B The name of the current setup will be shown in the title bar on platforms which support it and will switch as you change from Setup A to Setup B Note an asterisk will be added to the preset name when a change is made to the preset 4 3 Interface Controls Controls can be in one of three states e Not Selected where the control is not the target of any user entry e Selected where the control is the target of mouse control entry only e Selected and Active where the control is the target for both mouse and keyboard entry Toggle Buttons Toggle buttons display the state of a control and allow switching between two or more states Single click to change the control s state Some toggle buttons have a text display which updates with the current setting and others bypass solo or monitoring toggles illuminate when the control is active Some plugins have link buttons between a pair of toggle buttons allowing click and drag adjustment while retaining the offset between the controls W
25. requency response with some high frequency loss while high speed offers a more full range signal with slightly less low end Input and Reproduce When recording to tape two monitoring modes are available Input monitoring lets you hear the signal as it reaches the recording head including tube and mic pre saturation Repro monitoring lets you hear the output of the repro head just like normal tape playback meaning that tape speed bias flux wow amp flutter and noise in addition to tube and mic pre saturation all affect the monitored output Bias Bias is an ultrasonic signal which is added to the recording in order to reduce limitations of the magnetic medium Bias calibration was a regular part of the tape machine calibration routine and while the manufacturers had their declared recommendations for specific machines many engineers felt that adding more gain to the bias signal gave them better sound For this reason the Kramer Master Tape plugin offers both nominal bias as well as overbias which represents 3dB over the recommendation a setting Waves Kramer Master Tape User Guide 4 which became popular with many users Flux Flux is the term used for the level of magnetic radiation emitted from the record head on to the tape commonly referred to as operating level Measured in nano Webers per Meter nWb m flux is essentially a gain factor reflecting a higher level passed onto the record head While older tapes w
26. rompts first for the setup filename then for the preset name You must provide a name for both the setup file and the preset Click OK ENTER to complete the save It is a good idea to create a folder in which to save several setup files for a project Overwrites the settings of the loaded preset whether a User Preset or a preset from a Setup File with the current settings If a Setup File is currently loaded the name of the Setup File is displayed followed by the name of the preset itself If a User Preset is loaded its name is displayed Saves the current settings as a new preset into the Setup file that is open if one is not open the option is grayed out You will be prompted to give the preset a name Save the current settings into a User Preset that will always be in your Load menu until deleted You will be prompted to give this preset a name User Presets are stored in the plugin s preference file Please note Special characters such as etc are not supported in preset names Waves Kramer Master Tape User Guide 15 Deleting Presets You may delete User Presets and presets within a Setup File Factory Presets and Setup Library files cannot be deleted or overwritten 1 Hold the Command Mac Control PC key down 2 Click and hold the Load button to see the pop up menu 3 While still holding the Command Control key select the preset or setup to delete 4 confirmation box will appea
27. tations in frequency response to name but a few Although many think that analogue tape will improve the sonic quality of their signal by today s standards and measurements it does quite the opposite Measured by modern technology it lowers the overall resolution of a signal In fact the signal to noise ratio of an analogue tape recording is not good by today s standards It fails to accurately reproduce both high and low frequencies Its THD Total Harmonic Distortion measurements are not good by current standards more than 1 THD and yet listeners still find its sound pleasing So just why is this sound so desirable Well for a number of reasons but firstly contrary to measurements and the theoretical loss of high frequency response because of the non linearity of the NAB standard coupled with the third harmonic distortion created by the analogue recording process the ultimate subjective result is a slight increase in the quantity and clarity of the higher frequencies Even as digital recording has come of age and with hindsight 20 20 what many considered to be a limitation of analogue tape recording has in fact become desirable Digital has been criticized by many as being clinical and cold sounding while analogue technology has been touted as sounding warm clear and musical Therein lies the big difference in what you should hear in the plugin Granted if you want to play with the settings and please feel free to do so you can crea
28. te some very dramatic tape effects of saturation noise etc But by using the Kramer Master Tape with its default setting it will provide you with an extremely accurate model of not only tube analogue tape recording but of analogue tape recording on what many considered to be the premier tube analogue tape recorder of its era Waves Kramer Master Tape User Guide 26 A description of the sound of the Kramer Master Tape is that it is best felt as a warm sweet and clear musical sound Start there as your basis and then experiment with the controls to discover all the additional sonic qualities available to you and choose those that best suit your tastes and your style of music In Practical Application It is not possible to create a model with this level of detail and flexibility and at the same time keep its resource demands low Running Kramer Master Tape does require a fair amount of system resources as you might expect If you want to use the plugin on individual tracks please do so as there are no rules in our art form But Kramer Master Tape may perform best on sub mixes of drums and percussion strings guitars vocals and anything that requires analogue warmth and clarity Also don t forget what the plugin could contribute to digitally sampled instruments and digital synthesizers Many will find that across an entire mix and especially in mastering Kramer Master Tape may prove to be invaluable The Kramer Master T
29. te the meter to Waves Kramer Master Tape User Guide 5 your desired headroom and the VU meter will offset its metering so that O VU will correspond to the selected headroom value Delay While the original tape machine didn t feature dedicated delay functions many engineers utilized the machines for slap feedback echo effects The Kramer Master Tape plugin offers delay times from 1ms to 500 ms with settings for 7 5 ips 266 ms and 15 ips 133 ms emulating the natural slap heard when monitoring the incoming and reproduced signals at the indicated speeds Waves Kramer Master Tape User Guide 6 1 4 Components The Kramer Master Tape consists of two components Kramer Master Tape Mono Kramer Master Tape Stereo Kramer Master Tape Mono Waves Kramer Master Tape User Guide 7 Chapter 2 Quick Start Guide o Insert the Kramer Master Tape on a track group or master o Goto the loudest passage in your song and using the Record Level control adjust the input until the meter displays 5 dBVU to 0 dBVU o If the track has important high frequency content e g acoustic guitars vocals hi hats strings use the 15 ips to better preserve high frequencies o If the track has a lot of low frequency information e g bass kick drum tuba use the 7 5 ips to better preserve low frequencies o Adjust the Flux control to increase or decrease amount of distortion o If needed unlink the Record Level and P
30. turer would provide CCIR machines on special order Additionally NAB was the standard used for the vast majority of the American pop recordings done on this machine Because the NAB standard provides the most accurate sonic signature of this legendary American tape machine the NAB standard was chosen by Waves for the Kramer Master Tape model Waves Kramer Master Tape User Guide 21 Bias Defined Bias is a high frequency signal typically between 40 kHz and 150 kHz applied to the record head along with the audio signal when an audio track is placed into record The bias current solves a critical problem when recording to analog tape When the amplitude of an audio signal passes through the zero voltage crossing the magnetic field created by the record head is not strong enough to polarize the magnetic oxide particles on the tape Thus a distortion of the original audio signal is introduced To minimize this distortion the bias current is applied to break down this resistance to polarization The audio signal can then be recorded more accurately without the effects of low level distortion The amount of bias current applied is critical to the frequency response and distortion characteristics of an analog recording Waves modeled and have provided you with two bias settings Nominal Bias the manufacturer s recommendation for bias adjustment directly from the original operator s manual for the modeled machine was recommended in the early
31. w end Note that 15 ips will also provide less THD Total Harmonic Distortion than 7 5 ips There is also a shift in the frequency of the noise by an octave between 7 5 ips and 15 ips with the noise at 15 ips sounding an octave higher than 7 5 ips The significance of this difference has always been argued with some preferring the noise signature of 7 5 ips and others preferring the noise signature of 15 ips As time progressed and 30 ips became popular many used 30 ips because as the noise shifted upwards yet another octave from 15 ips it moved further away from the fundamental musical frequencies and thus became less obtrusive Experiment and form your own opinions on the issue of speed vs noise vs frequency response Pre Emphasis Curves At the time of the modeled tape machine s popularity there were a number of magnetic tape recording standards in use worldwide Because of the inherent limitations in analogue tape recording these curves generally applied high frequency pre emphasis equalization during recording and then applied a high frequency post emphasis during playback The net result of this was to maintain high frequency response according to the standard being used with the added benefit of also reducing tape noise The most popular standard in Europe at this time was CCIR in America the standard was NAB National Association of Broadcasters The machine at Olympic as best we can determine was a NAB machine although the manufac
32. which are still not fully understood Also when tape is pushed hard enough it has a tendency to saturate which is a form of compression unique to analogue tape Many engineers even when digital was available still preferred to record certain instruments on analogue tape especially Rock and Holl drums pushing the levels on the tape well beyond their ideal operating conditions to gain this saturation or compression Modeling this behavior of changing sonic behavior across a wide range of flux levels was perhaps one of Waves biggest challenges Ultimately they were able to create a continuous flux control that ranges from 2 dB below the Standard Operating Level well into unknown territories invaluable for a wide variety of special effects Since 3M Scotch 207 was rated at between 185 nWb m or 250 nWb m while opinions vary about the ideal level for Scotch 207 Waves chose the more conservative level of 185 nWb m for the Kramer Master Tape default although they modeled a wide range of flux levels to be able to accurately create the variable flux control you will find that the Waves Kramer Master Tape User Guide 23 plugin will be especially sensitive to settings above the recommended level of the tape sampled When reaching higher flux levels you will notice that the low frequencies and very high frequencies become more and more distorted as the noise level goes down Additionally there is another layer of distortion since these incre
33. years to try and reach the best recording levels with the minimum amount of distortion and the maximum frequency response This setting produced a fairly low noise level around 60 dB lower than the peak signal and around 2 to 3 dB of high frequency loss with a moderate amount of high frequency distortion During the 60s after a number of years of working with these tapes many professional studio engineers and technicians discovered that by over biasing increasing the amplitude of bias signal by only a small amount they could improve the high frequency response and at the same time lower the noise level This was called Over Bias and each tape type studio recording engineer and technician had their own way of calibrating the bias to achieve their preferred sonic qualities For the Kramer Master Tape we modeled the 3 dB over bias which was agreed by most engineers to be the point where you got the best high frequency response least amount of distortion and best signal to noise ratio on 3M Scotch 207 tape Actually 7 dB at 700 Hz for 15 ips but set at 3 dB at 15 kHz for accuracy You adjusted nominal bias to accomplish the peak level of the signal and then continued beyond the peak until the level began dropping by the desired amount therefore the term over bias The bias adjustment for 7 5 was done one octave lower at 350 Hz or 7 500 Hz and at 20 dB to avoid excessive high frequency saturation When you switch from Nominal
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