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Model 710
Twin-Finity Mic/Line/Hi-Z Preamplifier
Universal Audio Part Number 65-0029
Revision 1.0
Universal Audio, Inc.
Customer Service & Tech Support: 1-877-MY-AUDIO
Business, Sales & Marketing: 1-866-UAD-1176
www.uaudio.com
Страница 1: ...0 Twin Finity Mic Line Hi Z Preamplifier Universal Audio Part Number 65 0029 Revision 1 0 Universal Audio Inc Customer Service Tech Support 1 877 MY AUDIO Business Sales Marketing 1 866 UAD 1176 www uaudio com ...
Страница 2: ...of this material Copyright 2008 Universal Audio Inc All rights reserved This manual and any associated software artwork product designs and design concepts are subject to copyright protection No part of this document may be reproduced in any form without prior written permission of Universal Audio Inc Trademarks 710 Twin Finity 4110 8110 SOLO 110 SOLO 610 2 610 LA 610 LA 2A 2 LA2 LA 3A 6176 1176LN...
Страница 3: ...hich allows you to plug in an electric guitar or bass or any instrument with a magnetic or acoustic transducer pickup with 2 2M ohm ultra Hi Z impedance a monolithic balanced output stage more than 70dB of gain 48V phantom power and a 15dB pad for the mic input phase invert and 75Hz low cut filter a universal auto sensing internal power supply that allows for operation at any voltage between 100 a...
Страница 4: ...sp the plug body when connecting or disconnecting it 7 Grounding of the Plug This unit is equipped with a 3 wire grounding type plug a plug having a third grounding pin This plug will only fit into a grounding type power outlet This is a safety feature If you are unable to insert the plug into the outlet contact your electrician to replace your obsolete outlet Do not defeat the purpose of the grou...
Страница 5: ...ical Stuff History of the 710 710 Overview 710 Vacuum Tube Preamp 710 Solid State Preamp About Class A Phantom Power Phase Inversion LOW CUT Filtering Rack Mounting Optional Desktop Handle Kit Maintenance Information Fuse Voltage Select Block Diagram Glossary of Terms Recall Sheet Specifications Additional Resources Product Registration Warranty Service Support Inside back cover i ii 2 4 7 8 9 11 ...
Страница 6: ...d in a rack if possible An optional desktop handle kit which can be purchased via www uaudio com is also available allowing the 710 to be easily transported and used on any flat surface Step 2 Mute your monitors and then using a balanced cable with XLR connectors connect the 710 s rear panel line output to the appropriate input on your patch bay mixer or DAW Step 3 Set the front panel 48V phantom ...
Страница 7: ...710 can impart to your signal CAUTION Very high Gain settings will result in significant amounts of distortion For the cleanest most uncolored signal from the 710 set the Gain knob to its lowest usable setting change the Meter to OUTPUT and then adjust the Level control as necessary If you hear distortion when using a connected microphone even at the lowest Gain level employ the 15 dB pad to reduc...
Страница 8: ... to the input signal 2 Level This is the 710 s master volume control It determines the amount of signal sent from the rear panel LINE OUTPUT see 2 on page 7 The numeric values for the Gain and Level knobs are relative scale markings and do not represent specific dB values You can come up with many useful tonal variations by experimenting with different Gain and Level settings ...
Страница 9: ...below 8 Blend This unique control sets the relative contribution from the solid state and vacuum tube preamplifier circuits When in the fully counterclockwise TRANS position only signal from the solid state preamplifier is heard When in the fully clockwise TUBE position only the signal from the tube preamplifier is heard At the twelve o clock position signal from both the solid state and tube prea...
Страница 10: ...the polarity of the LINE OUTPUT see 2 on page 7 When off in the down INø position pin 2 of the LINE OUTPUT is hot positive When the switch is enabled in the up OUTø position the output signal is placed out of phase and pin 3 of its LINE OUTPUT is hot positive Normally the switch should be off and only enabled when it is desirable to reverse the polarity i e in cases where more than one microphone ...
Страница 11: ...t panel Polarity switch is off INø Pin 3 is positive when the front panel Polarity switch is engaged OUTø see 11 on page 6 3 LINE INPUT Connect a line level input signal coming from a device such as a mixer DAW tape machine or signal processor into this balanced XLR connector Pin 2 is wired positive hot 4 MIC INPUT Connect a microphone to this standard XLR connector Pin 2 is wired positive hot 710...
Страница 12: ... mono headphone mix USB gain gain peak peak 48V mic line inst mic line inst For most applications we recommend setting the 710 Gain and Level controls at approximately 5 their twelve o clock position Adjustments can then be made to the Gain Level and Blend controls to achieve the optimum sound for your signal source ...
Страница 13: ...l that is driving the tube If what you want is crystal clear tube tone then the meter will be bouncing around near the low end of its range If what you are after is a ton of tube dirt then drive the meter into the red there is nothing wrong with either extreme Once you use the Drive function a few times you will develop a feel for it and should be able to dial in the desired tube character quickly...
Страница 14: ...touch of tube warmth and you ve got a sound that will work in just about any musical context Drums The huge range of sonic possibilities offered by the 710 make it an invaluable companion for any kind of drum miking The excellent transient response of its solid state transimpedance preamp serves to enhance overhead and ambient mics picking up the crispness of cymbals while the roundness of its tub...
Страница 15: ...nited Recording facility in Hollywood As was the case with most of Putnam s innovations the 610 was the pragmatic solution for a recurring problem in the studios of the era how to fix a console without interrupting a session The traditional console of the time was a one piece control surface with all components connected via patch cords If a problem occurred the session came to a halt while the co...
Страница 16: ...ally enjoy the best of both worlds Not only does it combine two preamplifiers one vaccum tube and one solid state in a single box its unique Blend control allows the engineer to dial in precisely the desired amount of tone from each The 710 is truly a cutting edge product for its time In 2000 Bill Putnam Sr was awarded a Technical Grammy for his multiple contributions to the recording industry Hig...
Страница 17: ...As an example the transition from 1 THD to 4 THD occurs over a 14dB range Because of its multiple gain stages with a Gain control pot between them as well as a Drive Meter that displays the signal level entering the second stage a wide variety of tonal possibilities can be dialed in from gentle warmth to extreme grit 710 Solid State Preamp The 710 solid state preamp circuitry utilizes Universal Au...
Страница 18: ... often result in a loud pop transient For these reasons we strongly recommend that the Phantom switch be left in its off down position when connecting and disconnecting microphones Only turn the Phantom switch on if you are certain that the connected microphone requires 48 volts of phantom power If in doubt consult the manufacturer s owners manual for that microphone Phase Inversion The occasional...
Страница 19: ...ecessary In addition after low frequency mud is filtered there is often more room in the mix to bring up important musical elements such as vocals and lead instruments resulting in a win win situation less mud more music Typically a low cut filter can be used to remove vocal B P and other popping sounds moving air noise from close miked vocals drums guitars and outdoor weather instrument body nois...
Страница 20: ...The Technical Stuff __________________________________________________________ 16 ...
Страница 21: ... board with its own fuse Voltage Select The 710 contains a universal auto sensing filtered multi stage regulated power supply which supports 100 240VAC and 50 60Hz power for trouble free operation worldwide No switch setting is required when changing from 115 to 230 volt use or vice versa The 710 contains no user serviceable parts Repair should be performed only by qualified service personnel 17 ...
Страница 22: ..._________________________ 18 Block Diagram Mic IN XLR 48V Not Shown 15dB Pad Mic Only 310VDC Drive Meter Output Meter Line IN XLR HiZ IN inch Blend Pot Level Pot JFET Buffer Tube Amp Solid State Amp Gain Stage 1 Gain Pot Hi Pass Phase Switch Line Out XLR ...
Страница 23: ...t equals one dBV DI Short for Direct Inject a recording technique whereby the signal from a high impedance instrument such as electric guitar or bass is routed to a mixer or tape recorder input by means of a DI box which raises the signal to the correct voltage level at the right impedance DSP Short for digital signal processing Dynamic microphone A type of microphone that generates signal with th...
Страница 24: ...ing an electrical signal to be generated Ribbon microphones tend to be delicate and somewhat expensive but often have very flat frequency response Transformer An electronic component consisting of two or more coils of wire wound on a common core of magnetically permeable material Audio transformers operate on audible signal and are designed to step voltages up and down and to send signal between m...
Страница 25: ...Recall Sheet __________________________________________________________ 21 ...
Страница 26: ...THD 8 dBu Maximum Hi Z Input Level Gain min SS 1 THD 18 dBu Tube 1 THD 8 dBu Clipping Level Tube and Solid State same as Max In Maximum Output Level into 600 18 dBu into 600 28 dBu into 100k Frequency Response Mic Line Hi Z 20Hz to 100kHz 0 2 dBu Min THD Noise 4dBU 0 1 tube 0 005 solid state External Connections XLR Line in out XLR Mic in 1 4 Hi Z in Low Cut Filter 75Hz Bessel Pad 15dB Meter Drive...
Страница 27: ... gear as well designed and tested as ours will sometimes fail In those rare instances our goal here at UA is to get you up and running again as soon as possible The first thing to do if you re having trouble with your device is to check for any loose or faulty external cables bad patchbay connections grounding trouble from a power strip and all inputs outputs mic line Hi Z etc If your problem pers...