FET/RACK Revision D
Complete DIY Kit

$595.00

The Blackface

This revision covers the REV B thru E units. Most current reissues are based on this revision. Revisions C-E had a blackface front panel while the Rev B retained the silver and blue stripe panel. Changes were made to the stage and line amps so a bipolar transistor was used as the first active component. Low noise, or “LN” circuitry, was added to this and all future revisions. Like the Revision A, the input uses an O-12 transformer and the signal is attenuated at the input with a 600Ω t-pad. The output is class A, utilizing a 5002 output transformer. This is widely considered to be the most classic FET compressor sound.

Recommended for intermediate builders.
  • All the parts needed to complete the build
  • Revision D (v1.11) PCBs designed by MNATS 
  • Black anodized front panel made in Seattle, USA
  • Custom 18 gauge steel zinc plated enclosure made in Seattle, USA
  • Custom Ed Anderson O-12 reproduction input transformer made in the USA
  • Custom Ed Anderson 5002 reproduction output transformer made in the USA
  • Custom Ed Anderson 11754 reproduction power transformer made in the USA
  • Custom BI Technologies T-Pad input attenuator
  • Interlocking push button switches with “All Buttons In” mode
  • Fully discrete audio path including capacitors selected by ear from Kemet, Nichicon, Panasonic, Vishay, United Chemi-Con and Elna
  • Bourns trim pots
  • Neutrik XLR connectors
  • JST connectors and pre-assembled wire harnesses
  • 120/240 voltage select switch
  • 1% metal film resistors
  • Matched FETs
  • Authentic control knobs

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