Korg TP-2 User's Manual
Contents
1. 2004 KORG INC Precautions Location Using the unit in the following locations can result in a malfunction In direct sunlight e Locations of extreme temperature or humidity e Excessively dusty or dirty locations e Locations of excessive vibration Close to magnetic fields Power supply Please connect the designated AC AC power supply to an AC outlet of the correct voltage Do not connect it to an AC outlet of voltage other than that for which your unit is intended Interference with other electrical devices Radios and televisions placed nearby may experience reception interference Operate this unit at a suitable distance from radios and televisions Handling To avoid breakage do not apply excessive force to the switches or controls Care If the exterior becomes dirty wipe it with a clean dry cloth Do not use liquid cleaners such as benzene or thinner or cleaning compounds or flammable polishes Keep this manual After reading this manual please keep it for later reference Keeping foreign matter out of your equipment Never set any container with liquid in it near this equipment If liquid gets into the equipment it could cause a breakdown fire or electrical shock Be careful not to let metal objects get into the equipment If something does slip into the equipment unplug the AC AC power supply from the wall outlet Then contact your nearest Korg dealer or the store where the equipment was purchase2. Features The TP 2 is a dual channel preamp featuring two 12AX7 vacuum tubes plus fast operating and transparent optical compression and limiting circuitry Designed to accept a variety of sources over a wide range of levels it is ideal for your most critical and demanding recording applications In addition to both XLR and 1 4 TRS balanced outputs the TP 2 also features both optical and coaxial digital outputs S P DIF format allowing it to interface with other digital equipment or to serve as a stand alone AD converter Using a specially tuned version of our acclaimed Valve Force circuit the TP 2 delivers the robust musical warmth and mid low region presence typical of vacuum tubes The optical compression responds quickly and transparently providing a distinctly full analog body without adversely coloring the sound In addition the optical compressor s gain reduction and limiting circuitry allow you to avoid any audio clipping while you re recording 1 Parts and their function 14 15 16 17 slo 3 a a a a a 441 48 96 kiz OPTICAL COAXIAL our 1 RS our2 STANDBY AC9V pout CS sadu BAL oN SAMPLE RATE S P DIF OUT d B 18 19 m ion OUTPUT LEVEL 1 2 PHANTOM PHASE Tukey s GAIN XOY TRIM GAIN f GAIN ucro ASA MSAN REDUCTION 89 1011 12 Dual Tube Preamp w Optical Compression and Digital O
3. level where the compressor begins to kick in Turning the knob toward the right will increase the sensitivity so that compression will be applied even at low levels If you don t want to apply compression turn this knob all the way to the left 12 Link switch Press this switch in to link the two channels together for use with stereo sources When linked compression will be applied equally to both channels whenever either channel exceeds the compressor s sensitivity threshold preserving the stereo imaging 13 Output level fader This adjusts the output level amp h When the fader is at the 0 dB position the meter level will match the output level 14 Sampling frequency select switch This switch selects the sampling frequency of the S P DIF output You can choose from 44 1 kHz 48 kHz and 96 kHz 15 S P DIF output optical coaxial An optical jack and a coaxial jack IEC 60958 EIAJ CP 1201 both provide a S P DIF format digital output Connect the digital output to the digital input jack of your other equipment 16 Analog output jack XLR This is a balanced output jack using an XLR connector 17 Analog output jack TRS This is a balance output jack using a TRS phone jack 18 Power switch This is the power switch Press it in to turn the power on Pressing it again will turn the power off and return the switch to the out position 19 AC9V connector Connect the included AC AC power supply here 2 Opera
4. reaches the compressor s threshold level So that the compressors for both channels will function in the same way select the same compressor mode setting for both channels either Fast or Slow You should also set the compres sor sensitivity knob to about the same setting for both channels 3 A note about the vacuum tubes This device contains vacuum tubes We recommend that you allow the tubes to warm up for about ten minutes after you turn on the power before you begin running any audio signals through the TP 2 If you begin using this device immediately after turning on the power this may cause malfunctions and or shorten the life of the vacuum tubes In order to maximize reliability avoid placing this device above or below heat producing equipment such as a power amp Do not attempt to remove replace or change the tubes in the TP 2 The tubes are not a user serviceable part amp Vacuum tubes generate heat Do not allow your skin to contact the vacuum tube cover for an extended period of time Doing so can cause low temperature burns
5. S phone Jacks is Hi Z Nominal level 60 dBu to 12 dBu TRIM max min PAD OFF 34 dBu to 14 dBu TRIM max min PAD ON Maximum level 48 dBu to 0 dBu TRIM max min PAD OFF 22 dBu to 26 dBu TRIM max min PAD ON Hi Z 48 dBu to 0 dBu TRIM max min PAD OFF 22 dBu to 12 dBu TRIM max min PAD ON Source impedance ccccccccccscessesesseseseseesesseseeseeseseeseseeseesesseseeseseeneanenees 600 Vacuum tubes used ssecsssssssssssssessssessesesssseesssssssscsnessenssseassseneeeseenes 12AX7 Compression method Vacuum tube compression using a photocoupler Principal specifications Frequency response 10 Hz 44 kHz 1 dB output 4 dBu 10 k load r An E E E 85 dB typical A D conversion sssssssssssesssssesseesesseessseeessseeesse 24 bit 64 times oversampling Sampling frequency sssssssessssssseessssersseeessssesssseesss 44 1kHz 48kHz 96kHz Block diagram TP 2 Tube Preamp D i PHANTOM 8V gt Pa ulL Hi Z og A N o 2 Analog output Connectors scececseeee XLR 3 32 type 1 4 TRS phone jack balanced Output impedance csccsssessereeseseenssessenesseaessseesesessenceneseesesseaceneseess 150 Nominal level cccessssssssssessessssssssasssssssneseenessssecassncsesnesneneenssneasensseens 4 dBu Maximum level ccsssscsssssssssesesssssssssseacsseseesessesssnesseaesseseeaseneseeasen
6. d TP 2 Dual Tube Preamp wW Optical Compression and Digital Output Owner s Manual KORG INC 4015 2 Yanokucti Inagi city Tokyo 206 0812 Japan 1508 CTH Printed in Japan THE FCC REGULATION WARNING for U S A This equipment has been tested and found to comply with the limits for a Class B digital device pursuant to Part 15 of the FCC Rules These limits are designed to provide reasonable protection against harmful interference in a residential installation This equipment generates uses and can radiate radio frequency energy and if not installed and used in accordance with the instructions may cause harmful interference to radio communications However there is no guarantee that interference will not occur in a particular installation If this equipment does cause harmful interference to radio or television reception which can be determined by turning the equipment off and on the user is encouraged to try to correct the interference by one or more of the following measures e Reorient or relocate the receiving antenna e Increase the separation between the equipment and receiver Connect the equipment into an outlet on a circuit different from that to which the receiver is connected e Consult the dealer or an experienced radio TV technician for help e Unauthorized changes or modification to this system can void the user s authority to operate this equipment CE mark for European Harmonized Standards CE mark whic
7. h is attached to our company s products of AC mains operated apparatus until December 31 1996 means it conforms to EMC Directive 89 336 EEC and CE mark Directive 93 68 EEC And CE mark which is attached after January 1 1997 means it conforms to EMC Directive 89 336 EEC CE mark Directive 93 68 EEC and Low Voltage Directive 73 23 EEC Also CE mark which is attached to our company s products of Battery operated apparatus means it conforms to EMC Directive 89 336 EEC and CE mark Directive 93 68 EEC IMPORTANT NOTICE TO CONSUMERS This product has been manufactured according to strict specifications and voltage requirements that are applicable in the country in which it is intended that this product should be used If you have purchased this product via the internet through mail order and or via a tele phone sale you must verify that this product is intended to be used in the country in which you reside WARNING Use of this product in any country other than that for which it is intended could be dangerous and could invalidate the manufacturer s or distributor s warranty Please also retain your receipt as proof of purchase otherwise your product may be disqualified from the manufacturer s or distributor s warranty Specifications Input connectors XLR 3 31 type 48 V phantom power switchable 1 4 TRS phone jack balanced unbalanced is Hi Z Input impedance 4k XLR 3 31 10 k TRS phone Jacks 1M TR
8. ompressor Turn the compressor sensitivity knob all the way to the left so that the compressor is not being applied Use the gain trim knob to raise the level so that the meter slightly exceeds 0 dB during the loudest input passages Slowly turn the compressor sensitivity knob toward the right The gain reduction LED will begin to light indicating that the compressor is being applied While watching the level meter continue turning the compressor sensitivity knob until the level does not exceed 0 dB during the loudest input passages If you want to apply a lot of compression to intentionally squash a vocal use the gain trim knob to raise the input level further and turn the compressor sensitivity knob toward the right to increase the compression fe By using the gain trim knob to raise the preamp level appropriately you can saturate the vacuum tube generating analog overtones to enrich the sound in conjunction with the compressor 2 4 Using the link switch Turn on the link switch if you want to use stereo compression When you re recording a stereo source and the level of one channel rises to the point where compression is being applied to only that one channel then the relative volume of the other channel will increase producing the impression that the stereo image has shifted to one side In such cases turning on the link switch will automatically apply compression to both channels at the same time whenever either channel
9. s 16 dBu Source impedance scsesecsesessessssessessencsseseescessseenesseneeseeess 10k or higher Digital output CONNECEOLS scssssssessesssssecscsssssecsesssssscsessssscsesssesscassssecacasseeees optical coaxial Format ssssessessesesseseesesseseeseeee 24bit S P DIF IEC60958 EIAJ CP 1201 General Power supply esssssssessessesesseceessescncenceeees Included AC AC power supply Dimensions 224 W x 170 D x 88 H mm 8 82 W x 6 69 D x 3 46 H including protrusions Weight essssssssesssssessseeenseeersseeessseeessseeessseeesssserensseeenseeeenseeessse 1 33 kg 2 93 Ibs Included items AC AC power supply Owner s manual SAMPLING Es Jp FREQUENCY LEVEL METER 44 48 96 P mne Dai HA LoweuT H i TUBE AD E OF Tol WT 1 COMP sens OUTPUT y LINK Je PHANTOM 48 T V O 2 zZ j PAD a gt LOWCUT D a HZ TRIM g A i oureut C 2 4 COMP B sens W eR Introduction Thank you for purchasing the Korg TP 2 Dual Tube Preamp w Optical Compression and Digital Output In order to enjoy long and trouble free use please read this owner s manual carefully and use your TP 2 only as directed
10. tch changes the impedance level of the TRS phone jack to high impedance It is on when the switch is pushed in Turn this switch on when connecting a high output impedance device such as guitar or bass PAD switch This switch lowers the level of the input signal by 26 dB The pad is on when the switch is pushed in When a line level input source is connected turning the pad on will allow the gain trim knob to have a wider useful range of adjustment Compressor mode switch This switch changes the compressor s response speed Use the Fast setting for short sounds such as drums or percussion and the Slow setting press the switch in for more sustained sounds such as vocals Low cut switch This switch activates a 70 Hz 6 dB oct low cut filter Use this to reduce unwanted low frequency content The filter is on when the switch is pressed in Level meter The meter shows the audio level If the needle moves into the red area above 0 dB this indicates that digital clipping is occurring Set the gain trim knob and the compressor sensitivity knob to prevent the needle from exceeding 0 dB amp Place the unit horizontally so that the level meters operate correctly The level meters indicate the level of the signal before it is sent to the output level faders 10 Gain reduction LED This LED will light when gain reduction is being applied by the compressor 11 Compressor sensitivity knob This specifies the audio
11. tion 2 1 Connections amp First connect the AC AC power supply to the TP 2 s AC9V connec tor and then plug it into an electrical outlet Start by connecting your external equipment Connect the AC AC power supply If you will be using the digital output set the sampling frequency select switch to the correct frequency for your other gear and then turn on the power E Before turning on the power set the output level faders to so that sudden loud noise does not occur to the to digital AC outlet input devices to a mixer or HDR Dual Tube Preamp w Optical Compression and Digital Output 2 2 Adjusting the input level When you ve finished making your connections watch the TP 2 s level meter while you use the gain trim knob to adjust the level Set the trim knob so that the level meter needle does not exceed 0 dB when the loudest sound is input If the level meter goes beyond 0 dB even when the gain trim knob is turned all the way toward the left press the PAD switch and then use the gain trim knob to adjust the level E Normally if the needle goes beyond 0 dB digital clipping has oc curred causing distortion You should set the level so that it does not exceed 0 dB 2 3 Using the c
12. utput 1 INPUT 1 INPUT 2 jacks These are balanced inputs that combine XLR jacks and 1 4 TRS phone jacks Unbalanced phone plugs may also be connected to the 1 4 jacks If you are using a condenser mic requiring phantom power connect it to the XLR jack 2 HOT XLR jack 1 GND 3 COLD 1 4 TRS phone jack If you are using a guitar or the line output from an instrument connect it to the TRS phone jack Balanced phone plug Unbalanced phone plug GND COLD HOT GND HOT Phantom power switch LED This switch supplies 48V phantom power to condenser mics The LED will light if 48V power is being supplied Power is supplied only to the XLR jack Turn this off LED dark if you re using a dynamic mic amp If a condenser mic is connected or disconnected with the phantom power switch on damage to your equipment may occur For this reason always turn the phantom power switch off before connecting or disconnecting a condenser mic Phase switch If you are inputting a stereo source from audio equipment in which the hot and cold pins are wired in reverse the stereo image may be unsteady or cancellation may occur By pressing this switch in you can invert the phase of the input signal by 180 degrees to compensate Gain trim knob This knob adjusts the input gain If the PAD switch is on pushed in the range is 14 34 dBu If the PAD switch is off the range is 12 60 dBu Hi Z switch This swi
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