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USER'S MANUAL
MODEL 14B
SINGLE CHANNEL TUBE COMPRESSOR
HANDMADE IN ST. LOUIS, MO USA

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Summary of Contents for Locomotive Audio 14B

  • Page 1 USER’S MANUAL MODEL 14B SINGLE CHANNEL TUBE COMPRESSOR HANDMADE IN ST. LOUIS, MO USA...
  • Page 2 INTRODUCTION Thank you for your purchase of the Locomotive Audio Model 14B! This hand-built vacuum tube compressor is a product of so much time, research and development. Inspired by many beautiful pieces of equipment from the 50s and 60s, we were able to design a circuit with high quality components and modern features for today’s engineers.
  • Page 3: Warnings And Safety

    Vacuum tube equipment can get very hot, so thought and care should be Manual Revision 14B-1 taken in how it is installed. The 14B will fit in a 19” equipment rack, tak- ing 2 units of space (2U). The chassis for the 14B has vents punched out All information provided in this manual is thought to be accurate and free of the top and sides for heat to escape.
  • Page 4: Main Features

    The Locomotive Audio • Variable input & output controls 14B and its added modern features allow it to achieve a unique sound in its own right. Starting with the semi-remote cutoff 6BC8 tube, a 12AY7 •...
  • Page 5 14B processed signal. 4. ATTACK The attack knob sets the time that it takes for the 14B to react and start to compress a signal that has gone over the threshold. The 14B has great flexibility in its range of attack timing circuitry allowing for a large palette of tone shaping possibilities.
  • Page 6: Internal Adjustments

    SERIAL No. CAUTION: Interior adjustments must be made by a qualified technician. The voltages inside of the 14B are very high and can be lethal. You may contact Locomotive Audio to have this procedure done free of charge. It is also advised to use a nonconductive adjustment tool to avoid shock when the 14B is open.
  • Page 7: Warranty

    SNARE DRUM LOOP PROCEDURE In no event will Locomotive Audio, LLC. be liable for any incidental or consequential damages resulting from any defect in the product, including While the method above does a relatively good job at balancing the lost profits, damage to property and, to the extent permitted by law, dam- 6BC8 for low gain reduction, it doesn’t necessarily mean that the tube...
  • Page 8: Declaration Of Conformity

    MANUFACTURED BY: Locomotive Audio, LLC. ADDRESS: P .O. Box 21751 Saint Louis, Missouri 63109 PRODUCT: 14B Single Channel Tube Compressor CONFORMITY: Low Voltage Directive 2006/95/EC (EN 60065:2002/A1:2006 + A11:2008 + A2:2010 + A12:2011) EMC DIRECTIVE 2004/108/EC (EN 55103-1:2009 & EN 55103-2:2009)
  • Page 9 ©2014 Locomotive Audio, LLC...

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