Locomotive Audio 14B

Locomotive Audio 14B Variable MU Compressor

Just like its popular vintage inspirations, the Gates Sta-Level, UA 175B, RCA BA-6A and Collins 26U, the results are a sound that cannot be replicated with any other method of gain reduction. The Locomotive Audio 14B delivers!

Locomotive Audio 14B Variable MU Compressor Details

The Real Sound of Vari-Mu Tube Compression at Your Fingertips with the Locomotive Audio 14B Variable MU Compressor.

  • Stereo Link switch
  • Sidechain Low Cut filter control: Off and 70-350Hz
  • Hard-wire bypass switch
  • Compression turned off with full counterclockwise attack position, switching to line amplifier
  • Two position Compress-Limit Switch
  • Two position VU meter switch: Gain Reduction – Output
  • 6BC8 balance adjustment on interior of unit
  • Custom Sifam backlit VU meter
  • XLR input and output connections
  • Custom MuMetal shielded input and interstage transformers
  • Custom output transformer
  • Hand-built in USA
  • ​Heavy 16-gauge steel chassis
  • 115v/230v AC mains option on rear
  • Lifetime warranty parts and labour

 

The Locomotive Audio 14B Compressor is now available in two build options:

14B-HW – ORIGINAL HANDWIRED Authentic to the design aesthetic of classic vintage vari-mu and optical compressors of the 1940s − 1960s, the Locomotive Audio 14B-HW (Handwired) is built with the same labour-intensive care and attention to detail. Every wire and component is selected and soldered by hand, ensuring each unit is special. Adding this artistic centrepiece to your rack is truly inspiring.

14B-PCB – PRINTED CIRCUIT BOARD Smart layout design gives the Locomotive Audio 14B-PCB (Printed Circuit Board) version the same superior sonic result as the Handwired version, but instead, with a more efficient build process. Using the same components and audio path as the Handwired version, the resulting specifications and performance are identical. We are happy to finally offer this lower cost option.

Specifications

  • Tubes: (1) 6BC8, (1) 12AY7, (2) 6V6s
  • Input load impedance: 5kΩ​
  • Output impedance: <1kΩ
  • Variable Attack: (300 µS – 20 mS)
  • Variable Release: (100 mS – 2 Sec)
  • Compression: (4:1 ratio) or Limiting 10:1 ratio)
  • Frequency response: 20Hz-20kHz
  • THD+N: <1% ​ S/N ratio: >70dB
  • Dimensions: 19″w x 3.5″h x 10″d (2u rackspace)
  • Shipping Weight: 20 lbs.
  • Power Consumption (120/240VAC): 42 watts

TRY OUR ‘MY EFFECTS RACK’ FEATURE TO TRACK WHAT YOU HAVE IN YOUR EFFECTS RACK NOW, AND THOSE ITEMS YOU WISH TO ADD.

The details provided above are drawn from historical documents like advertising brochures or user manuals. They’re shared without bias or review. This info is given solely for your consideration, helping you gauge its usefulness to you.

Locomotive Audio 14B
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