Genz-Benz 600 Musical Instrument Amplifier User Manual
Contents
1. GENZ BENZ T ii ooo Aih i A OG OOO Owner s Manual PEAK 3 WARM UP lt 5 arazamnee GENZ BENZ 7 POWER 220 P ask 4 2 g R amp e E INPUT MUTE GAIN GAIN VOLUME PRODUCT DESCRIPTION The new Streamliner 600 bass amplifier has been manufactured to the highest degree of engineering standards and practices resulting in a unique blend of classic and leading edge technologies This compact design blends a simple intuitive and versatile high voltage 3 tube 6 stage classic style analog preamp with an internationally proven high performance Class D power amplifier and switch mode power supply switchable from 100 240 volts The result is a versatile bass amp that exudes fat rich tones while remaining very articulate The All Tube Class A preamp operates at over 300 volts and can be used to add a little warmth to your tone or dialed up a little to provide a wide range of natural tube overdrive Our simple streamlined objective was to build an amp that allows the player to focus more on their playing style and less on adjusting the knobs on their amplifier So whether you re a straight ahead 4 string player or an extended range expressionist your voice will come through The Streamliner 600 features a rugged chassis with solid extruded aluminum panels and a faceplate that is CNC machined from solid billet aluminum The entire chassis is then brushed and an2. shall be placed on this product e The Streamliner 600 amplifier should be connected to a mains socket outlet power receptacle with a protective earth ground connection at all times e The amplifiers mains plug power plug is considered the disconnect device and the connection must remain accessible at all times e This amplifier is capable of producing sound pressure levels that may cause hearing loss e There are no user serviceable parts and hazardous operating voltages are present inside this unit Always consult a qualified repair facility for service WARNING e The use and operation of this device constitutes an agreement of full release of any and all liability connected with its use Only persons familiar with the operation of high powered professional audio equipment should attempt to operate this device e In addition by use of this device the user agrees to hold Genz Benz and its designers sales agents and all other affiliates and related parties harmless in the event of any accident injury damage or loss resulting from such use e Manufacturer s sole responsibility is to provide a warranty on the specified performance of the product under normal operating conditions for a period of 3 years WARRANTY e Genz Benz warrants the Streamliner 600 to be free from defects in materials and workmanship for a period of 3 years from the date of purchase when purchased from an authorized Genz Benz dealer e The Preamp tubes
3. are warranted for a period of 6 months from the date of purchase e This warranty does not cover normal wear and tear incurred from the normally designed use of the product e This warranty is effective only if a copy of the original sales receipt is presented at the time of warranty service e This limited warranty is completely transferable to any subsequent buyer as long as the original sales receipt is also transferred to such subsequent buyer e All warranty service must be performed by a Genz Benz authorized service center e Before returning any unit for service a returned merchandise authorization number RMA must be obtained by calling 480 941 0705 e This warranty is valid in the US and Canada only For all products sold outside the USA warranty is handled through our international distributor for each country For more information visit our website www GENZBENZ com BLOCK CIRCUIT DIAGRAM HEADPHONE SPEAKER 17 OUTPUT 05 J201 202 ISOLATED BUSHING BLOCK DIAGRAM STREAMLINER 600 The Instrument input feeds a conventional grounded cathode voltage amplifier which is then followed by a second grounded cathode voltage amplifier stage The second voltage amplifier feeds a cathode follower pair that makes up the Baxandall inspired tube based Bass and Treble shelving equalization and active feedback type boost cut midrange EQ network Interaction between the 3 eq sections is minimal yielding more precise and predictable tona
4. board device This loop is located right before the Master Volume control and is also intended as a Preamp Out Power Amp In connection for possible chaining of amplifiers in a Master Slave configuration The effects loop contains a normal switch in the receive jack that interrupts the signal path when a plug is inserted into the receive jack The send jack may be used as a Post EQ Aux output without breaking the signal path The Master Volume control adjusts the volume of any signal input through the Effects Return jack HEADPHONE OUT A 1 4 TRS jack is provided for connection to headphones for silent practice use The speaker output is not automatically muted The speaker outputs should be manually disconnected It is never an issue for the Streamliner to be used without a speaker load connected Do not connect this output to anything but headphones POWER AMPLIFIER The Streamliner 600 uses a state of the art Class D power amplifier design and a high frequency switch mode power supply SMPS to achieve unprecedented high performance and lightweight packaging Switch mode power supplies convert the AC line directly to high voltage DC then the precision PWM pulse width modulation inverter creates a new AC power signal at a frequency more than 1000 times higher than the original wall frequency of 50 60Hz This new high voltage high frequency power signal is then fed into a custom high frequency transformer that step
5. est quality aircraft grade computer machined aluminum chassis To clean the amplifier nothing more than a damp cloth and a little bit of glass cleaner like Windex should be used RACK MOUNTING The Streamliner 600 is designed to be rack mounted in a standard EIA style 19 equipment rack or tour case by using the optional rack mounting kit which is available from your dealer GIG BAG A custom padded carry bag with shoulder strap is available as an optional accessory from your dealer This padded bag is ideal for convenient carrying of the amplifier Do not operate the amplifier inside the carry bag as the chassis aluminum construction and cooling fan inlet vents are part of the amplifier s cooling mechanism Specifications STM 600 Rated Power 375 Watts 8 ohms 600 Watts 4 ohms Dimensions 3 Hx 10W x 11 7 8 D Weight 6 LBS SAFE OPERATING REQUIREMENTS e Never set an amplifier on anything that will tip over or collapse under its weight e Provide a minimum distance of 25 4 mm 1 inch around all sides of the amplifier for sufficient ventilation The ventilation should not be impeded by covering the amplifier s vent openings with items such as newspapers tablecloths curtains etc e No naked flame sources such as lighted candles should be placed on the Streamliner 600 amplifier e This amplifier should not be exposed to dripping or splashing and no objects filled with liquids such as vases or drinks
6. etting the overall gain structure of the preamp This switch can also be used as an Active Passive switch The lower gain position is more suitable for high output level active basses and a cleaner tone GAIN CONTROL This control sets the input gain of the 12AX7 TUBE preamp The volume of the signal is then controlled by the Tube Preamp Volume control and also the Master Volume control Note that overdriving the input tube gain stage may be a desirable tonal characteristic of your playing style This control in conjunction with the Gain switch Preamp and Master Volume controls allows you to set the amount of tube overdrive or clean tone your amp produces PREAMP VOLUME CONTROL This control sets the volume and make up gain of the preamp after the Input and EQ stages but before the Effects Send jack Use this control in conjunction with the Gain and Master Volume controls to achieve the necessary gain structure for your playing and music style SETTING YOUR INPUT SIGNAL Use the following guidelines to set your amplifier input stage for the type of bass used and your personal playing style These guidelines are just a suggested starting point 1 Set your instruments controls volume and tone where you normally prefer to run them 2 Now set all controls on the Streamliner to 12 o clock and the Gain switch out It may be best to start with the Master Volume at 9 o clock 3 For a clean tone your Tube Gain and Preamp Volume settin
7. gradually begin to clip which may become audible If using a very mid focused bass tone and while driving the amp hard it may be possible to hear some distortion before the PEAK LED is lit This is normal and is a result of the harmonics generated by the preamp tubes during the overdrive process being more audible since the ear is more sensitive to upper midrange frequencies 3DPM 3 DIMENSIONAL POWER MANAGEMENT Our proprietary 3DPM technology insures greater and more solid sounding output while retaining the feel and playability of a more traditional tube based power amplifier When driving the power amp hard the result is increased heft and girth while maintaining the dynamics and articulation of the individual notes The result is an amplifier that achieves a more 3 dimensional tone and feel like a tube amplifier power section without the anemic flatness other amplifier designs can exhibit HA ILI ATRASE MAATE GENZ BENZ HEADPHONES EFK maka aon IN DIRECT OUTPUT pee ee s ATE TAA OHM EOD WATTS DEH BERNA TEINIT BMWS PIPE ATOSE TH Died aad apc ia Te BL 20H MHIL TOTAL LOAD A fe p Jay REAR PANEL DIRECT OUTPUT An XLR balanced direct output is provided for connection to a PA system or directly into a recording studio console or D A converter This signal comes directly from the Tube buffered input stage to the Direct Output The Direct Out signal may be switched between mic and line level pre and p
8. gs may be set to similar positions For a clean tone using a hot Active bass your Tube Gain setting should be set more towards the 9 o clock position and the Preamp Volume at noon to 2 o clock positions 4 For overdriven tube tones with Active or Passive basses your Tube Gain setting will be set higher and the Preamp Volume set lower If you are looking for an even more overdriven sound engage the Gain switch for even more preamp gain Set your Master Volume for your desired overall volume We suggest experimenting with different settings for best results 5 Now turn your attention to the EQ section and make the adjustments for your desired tone Because this is a semi active EQ network any larger settings of cut or boost will affect the gain level of the preamp which will allow for even more variability in overdriven tones 6 After setting your EQ it may be necessary to go back and adjust your gain and volume levels level up or down accordingly EQUALIZATION The Streamliner 600 contains a 3 band equalizer with a user switchable midrange center frequency control This equalizer is best described by breaking it into its component parts the shelving bass treble section and the midrange band pass section The Bass and Treble shelving filters are modified passive designs based on the classic Baxandall topology that was developed in the 1950 s by Peter Baxandall This type of eq is nicely suited for instrument amplification in addition to clas
9. h gain tube preamp to fully bias up and stabilize before audio is allowed to pass This is similar to the standby procedure recommended on classic all tube bass and guitar amps The RED WARM UP LED will illuminate during this period The amp is ready to play as soon as the LED disengages MASTER SECTION STATUS INDICATORS e The BLUE POWER light indicates that the amplifier is ON and the high voltage power supplies are active e The RED WARM UP PROTECT LED provides 2 functions During the Turn On process of the Streamliner this light will illuminate for approx 20 seconds while the tube preamp is allowed to bias up and stabilize When the amp is in use after the Warm Up period the LED also can indicate when the amp enters protect mode It will illuminate during any internal fault condition such as thermal and overcurrent faults If this happens first turn the amp off check for a blocked cooling fan wait 1 minute and try again It the amp remains in protect remove the speaker cable and try again If the amp now comes out of protect this is an indication of a short circuited load and your speaker cable is the most likely problem If the Protect LED remains on consult a service technician e The AMBER PEAK LED indicates that the power amp is near its maximum power Under high output conditions it is normal for this LED to light with the strongest pulses of the signal Driving hard beyond this point will cause the amplifier to
10. l control Additional make up gain and output impedance scaling is handled by the last grounded cathode voltage amplifier cathode follower pair then into a 4th order high pass driver protection filter then handing off the signal to the power amp through our proprietary 3DPM 3 Dimensional Power Management technology Declaration of Conformity 89 336 EEC EMC Directive Manufacturer s Name Genz Benz a division of KMC Music Corporation Manufacturer s Address 7811 East Pierce Street Scottsdale AZ 85257 U S A Product Type Audio Amplifier Model Number Streamliner 600 Operating Power Condition 100 110 115 220 230 240 V 50 60 Hz Effective Date January 15 2011 Conforms to the Following Standards X X X X X X X X X X X EN 55013 2001 A1 2003 EN 55020 2002 A1 2003 EN 60065 2002 A11 2008 IEC 61000 3 3 1994 A1 2001 IEC 61000 4 2 IEC 61000 4 3 IEC 61000 4 4 FCC 15 107 and 15 109 RoHS Directive 2002 95 EC WEEE Directive 2002 96 EC CE Mark LV Directive 73 23 EEC GENZ BENZ 7811 E Pierce St Scottsdale AZ 85257 Ph 480 941 0705 Fax 480 946 2412 www genzbenz com A division of KMC Music Corporation Bloomfield CT Genz Benz Streamliner and 3DPM are trademarks of Genz Benz and KMC Music REV 1
11. odized Gun Metal Blue The chassis is designed for roadworthy durability superior fit and finish Simply put this 600 watt bass amplifier offers a more streamlined approach to finding your voice yet still carries forth the GENZ BENZ reputation for performance reliability and innovation ty O Q0OO0OO Q F EN FIA OCS N SLL CI Swen AN BAJS TREBLE rRONI rANCL INPUT The Streamliner 600 is equipped with a unbalanced instrument input directly feeding a conventional tube voltage amplifier stage The input sensitivity range is from 15 mV to 1 6 volts with an input impedance of 1M ohms INPUT SIGNAL MUTE SWITCH With this Mute switch you can place the amplifier and the Direct Output in mute mode without having to change any of your amp settings This feature can also be used for silent tuning since the Tuner Out stays active when the mute is engaged A red indicator LED above the switch indicates when the Mute function is active GAIN SWITCH This switch sets the gain sensitivity of the preamp gain stages With the switch set to the IN position and the Amber indicator LED illuminated the gain stages are set to a higher sensitivity driving the preamp gain stages harder producing more harmonic content and overdrive The degree of overdrive will depend upon the output level of your bass guitar pick ups and preamp as well as your playing style This switch should be used in conjunction with the Gain control for s
12. ost EQ and the audio signal ground may be connected or lifted from pin 1 to eliminate hum due to ground loops This output is fully protected against 48 volt phantom power and may be used for driving microphone lines of over 300 feet without problems TUNER OUTPUT The Streamliner 600 is equipped with a fully isolated Tuner Output This jack is buffered right off of the input jack and before any preamp tubes This output may also be used to drive a separate direct box or high impedance recording device where an uncolored signal path is desired The Tuner Output remains active when the amplifier is muted allowing for silent tuning on stage AUX INPUT A 1 4 unbalanced line level aux input is provided that sums directly to the main output bus controlled by the master volume control This input is ideal for practicing with recorded tracks from a CD player IPOD or MP 3 player This input is a tip ring sleeve type jack with built in summing resistors that sum left and right signals when used with a stereo cable This input will also work with a mono tip sleeve plug Adjust the level of the playback source to balance with the bass guitar s volume EFFECTS LOOP A rear panel effects loop SEND and RECEIVE jacks is provided for connecting line level serial outboard devices such as compressors and may also be used for parallel type outboard devices delays reverbs harmonizers octavers etc by using the mix control located on the out
13. s the voltage down a high frequency rectifier and high ESR filter capacitors finish the process off by converting the high frequency AC signal back to the DC voltages that the amplifier s internal circuitry uses One advantage of this conversion process is that the DC power supply rails are refreshed more than 1000 times more often than in traditional linear supplies thus reducing annoying hum in the audio signal The high frequency switching is used to reduce the size and weight of the magnetic and filter components while increasing the performance by recharging the power supply rails more often The Class D amplifier uses digital PWM techniques similar to those in more familiar digital to analog converters to reduce the size and weight by a factor of 10 times that of a comparably rated conventional Class AB amplifier Essentially a Class D amplifier converts the analog signal into a logic level PWM digital signal with a digital to analog converter level shifts this PWM signal up to a higher voltage and current and then reconstructs the analog signal by passing it through what is essentially a power digital to analog converter Additionally we developed our own proprietary 3DPM 3 Dimensional Power Management signal processing techniques to give a distinctly analog feel and sound to the Class D platform This system provides exceptional performance and dynamics retention even for low frequency applications such as bass guitar SPEAKER OUTPUTS The S
14. sic professional recording consoles due to its gentle slopes and musical transition between the two bands Our modified design keeps the interactive nature of a Baxandall design to a minimum while retaining all of the benefits The Bass frequency is a shelving type with approximately 12dB of effective cut boost at 55 Hz The Treble frequency is a shelving type with approximately 8 12dB of effective cut boost at 4K Hz and approximately 12 db at 12 5K Hz In the boost position it offers the advantage of boosting the highs for clarity without drastically increasing the upper mids providing a more tonally balanced top end In the cut mode it acts much like an instruments passive tone control The active tube driven mid frequency filter features 12 dB of effective cut or boost with a bandwidth approximately 1 octave wide The center frequency of this filter is user adjustable to 220Hz 600Hz or 2 5kKHz with the Mid Freq switch MASTER VOLUME The Master Volume control adjusts the overall volume of the amplifier and the effects return Typically best results are obtained when this control is operated between the 9 00 and 3 00 positions The Master Volume control adjusts the signal level after the Effects Return jack POWER SWITCH The Power switch provides the power to the amplifier from the AC mains source The Streamliner contains a fully automatic turn on time delay approx 20 seconds of the output power amplifier to allow the hig
15. treamliner 600 provides two Neutrik Speak On connectors wired 1 1 The speaker jacks are paralleled The minimum speaker load is 4 ohms Do not ground either the or the outputs Because this is a high voltage high current output 1 4 output jacks are not provided in order to comply with international safety standards It is never an issue for the Streamliner to be used without a speaker load connected t 99 POWER INPUT VOLTAGE SELECTOR SWITCH The Streamliner 600 utilizes a rear panel switch selectable universal power supply that operates from 100V to 240 volts 50 to 60 Hz for world wide use Simply set the switch to the appropriate AC mains voltage BEFORE connecting to the power source and utilize the proper IEC cord set appropriate for the country the product is being used No fuse change is necessary For countries using 100V 110V 115V and 120V AC mains select the 115V switch position on the Voltage Selector switch For countries using 220V 230V and 240V AC mains select the 230V switch position on the Voltage Selector switch There is no externally accessible AC mains line fuse the internal fuse is integral to the SMPS power supply and is not user serviceable This fuse will not fail except under very unlikely fault conditions to the SMPS and if this occurs a qualified service technician is required to correct the problem ACCESSORIES CHASSIS DESIGN The Streamliner 600 utilizes the high
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