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A versatile true-bypass relay PCB designed for 19" rack audio gear. Routes input signals directly to outputs when bypassed (unpowered state), allowing transparent, clean relay switching for preamps, outboard gear, and custom audio equipment.

 

Technical Specifications

 

  • Relay Support: Compatible with standard 5 V, 12 V, or custom voltage coil relays (12 V recommended)

  • Default Bypass State: Passive hardwire true-bypass when unpowered

  • Options Available: Multiple channel configurations (mono or stereo) and PCB size variations

 

Key Features

 

  • Uncompromised True Bypass: Signals pass completely unpowered through relay contacts when turned off or bypassed, preventing signal coloration

  • Flexible Power & Control: Daisy-chain support allows a second board to be triggered simultaneously from a single switch/power rail

  • Versatile Routing Pads: Features multiple input and output solder pad locations for clean internal rack wiring

 

Included:

  • 1x True Bypass Bare PCB (channel count and size according to selection)

 

 

Product name: True Bypass
Product identifier:  PCBX013/PCBX014/PCBX015
Manufacturer: Link Audio Design, August-Bebel-Str.18, 08373 Remse, linkaudiodesign@gmail.com

True Bypass

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high-resolution audio samples of our kits in direct comparison

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