The Telex headsets are now connected to the Ruscool Intercomkaarten and are now operational.

The original 6.35 mm jackpluggen of the Telex headsets, I replaced by the small 3.5 mm.

The Ruscool cards are compatible for both regular pc headsets as well as for aviation headsets. The replacement of the plugs from large to small is no problem.

The Telex Airman 750 headsets give a clear and pure sound and where any ‘hum’-the failure to completely eliminated by proper grounding of the cockpit, a correct 12V transformer and the hum-filtering in the headset itself.

The different volumes are regulated by a homemade control panel that is built into the B737-pedestal.

Additional information and images can be found on following link: https://www.flightdeck737.be/hardware/avionics-pedestal/intercom/headsets/