Art Tube PAC User Manual
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Art Tube PAC User Manual

Professional tube preamplifier/compressor
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TUBE PAC
PROFESSIONAL TUBE PREAMPLIFIER/COMPRESSOR
USER'S GUIDE

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Summary of Contents for Art Tube PAC

  • Page 1 TUBE PAC PROFESSIONAL TUBE PREAMPLIFIER/COMPRESSOR USER’S GUIDE...

  • Page 2: Table Of Contents

    T T A A B B L L E E O O F F C C O O N N T T E E N N T T S S Introduction Registration Features Overview Setting Up Unpacking AC Power Hookup Audio Connections Installation Safety Precautions...

  • Page 3: Introduction

    PAC may be used everywhere! Anywhere you need level adjust- ments (gain or attenuation), and anywhere you need compression - you’ll be using the Tube PAC. Offering a superb level of sound quality, the Tube PAC will enhance the sonic textures of your audio system for years to come.
  • Page 4 F F e e a a t t u u r r e e s s The Tube PAC is a unique product. It contains two independent award-winning circuit designs - one of the finest tube microphone preamplifiers available and one of the finest optical tube com- pressors available.

  • Page 5: Features

    VCA-less, tube-based compressor with optical gain reduction control. Used as a mic/line preamp or as a DI (direct) box, the Tube PAC is designed to work seamlessly with any recording, sound-reinforcement, or electronic instrument setup.

  • Page 6: Audio Connections

    Your Tube PAC was packed with care at the factory. The shipping carton was designed to protect it during initial shipment. Please retain this carton for use in transporting the Tube PAC, or in the unlikely event that you need to return your Tube PAC for servicing.

  • Page 7: Gain Control

    This can cause the Tube PAC to produce a “thump” on power up and power down. N N o o t t e e : : Like all tube-based equipment, the Tube PAC needs to warm up before being used. Allow one to two minutes for the tubes to reach proper operating temperature before using.

  • Page 8: Gain Switch

    XLR input jack. It is best to have phantom power turned off when connecting microphones to the Tube PAC. N N o o t t e e : Be sure to turn down or mute the output of the Tube PAC when engaging or disengaging phantom power. Additionally, when disengaging, allow 30 - 45 seconds for the power to com- pletely dissipate.

  • Page 9: Threshold Control

    After some use you’ll find the “sweet spot” of the Tube PAC is with this light flashing fair- ly regularly. You may find a “clipped” level is suitable for some applications.

  • Page 10: Speed Switch

    S S l l o o p p e e S S w w i i t t c c h h In its “out” position, the Tube PAC’s compression ratio is an active 2.3:1 ratio. This means that for every 2.3dB over the threshold the input signal rises, the compressor’s output will change by 1dB.

  • Page 11: Output Level Control

    B B y y p p a a s s s s S S w w i i t t c c h h A Bypass switch is included on the Tube PAC to enable you to remove the compressor from your signal chain. When set to its “in”...

  • Page 12: Power Switch

    P P o o w w e e r r The Power switch supplies and removes power from the unit. The Tube PAC should be turned “on” only when all monitor levels are turned down, or off, to protect against any “thumping” caused by high gain settings.

  • Page 13: Applications

    The Tube PAC is ideal for use as a DI box. Plug the instrument into either input and use the XLR, 1/4, or both outputs to connect to your recorder, board, or PA system.
  • Page 14 XLR output jack of the Tube PAC to the XLR input of your mixer, however most affordable mixers do not allow you to bypass their internal preamp when using the XLR jack. You will cause no harm to either unit when doing this but you will probably experi- ence slightly higher noise.

  • Page 15: Specifications

    The choice is yours. Please realize that unauthorized alter- ations to the Tube PAC will result in voiding the warranty. A A R R T T T T u u b b e e P P A A C C S S P P E E C C I I F F I I C C A A T T I I O O N N S S Dimensions 5.25"D x 8.5"W x 1.65"H...
  • Page 16 W W E E ’ ’ R R E E O O N N - - L L I I N N E E ! ! For Product information, questions, applications, tips, answers and general discus- sion with A R T employees look for A R T on the Internet.. Look for the A R T folder on America Online in Craig Anderton’s Stage Studio and Sound (keyword “SSS”) under the Manufacturer Supported Forums.
  • Page 17 W W A A R R R R A A N N T T Y Y A A N N D D S S E E R R V V I I C C E E I I N N F F O O R R M M A A T T I I O O N N L L i i m m i i t t e e d d W W a a r r r r a a n n t t y y Warranty service for this unit will be provided by Applied Research and Technology, Inc.
  • Page 18 5) Include with your unit: a return shipping address (we cannot ship to a P .O. Box), a copy of your purchase receipt, a daytime phone number and the description of the problem. 6) Ship the unit to: A A p p p p l l i i e e d d R R e e s s e e a a r r c c h h a a n n d d T T e e c c h h n n o o l l o o g g y y , , I I n n c c . . 215 Tremont Street Rochester, NY 14608 Atten: Repair Department...

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