PDF SPA-400 TSO INSTALLATION AND OPERATING INSTRUCTIONS - Sigtronics . jacks and wiring harness (5.5 oz. maximum) current draw: 0.06 amps @ 28 volts faa tso: c50b env. cat (do-160) cfbbbx spa-400 intercom co-pilot headphone ja ck co-pilot mic jack pilot headphonejack aircraft headphone jack aircraft handmic jack pilot micjack barrel barrel barrel barrel tip tip tip tip tip tip ring ring ring aircraft radio 12345
Sigtronics Corporation SPA Panel Mount Intercoms . SPA-400 and SPA-600; SPA-400 and SPA-600 Four and Six Place Intercoms: FAA TSO approved. Pilot fail safe feature allows pilot to always hear radios. Works with all brands of General Aviation headsets. Reversible face plate included for vertical or horizontal mounting. Radio priority assures that ATC hears only the crew member transmitting. SPA-400 - Yaesu FTA-550 Radio Installation Wiring Diagram ! . SPA-400 - Yaesu FTA-550 Radio Installation Wiring Diagram * ICS Load Modification. Add a 1/4 or 1/2 watt resistor per the drawing. The value of the resistor most commonly used is 220 ohms, however, optimum performance can be achieved by selecting the value right for your particular installation. PDF SPA-400 - ICOM A3, A6, A22, A24 Radio Installation Wiring Diagram . spa-400 - icom a3, a6, a22, a24 radio installation wiring diagram 1-12-2007 spa-400_icom_a22_inst.pdf notes 1. if pilot ptt switch is connected to the aircraft hand mic jack, it must be disconnected and connected to the white / red wire as shown. PDF SPA-400 - King KMA 24 Audio Panel Installation Wiring Diagram . spa-400 - king kma 24 audio panel installation wiring diagram 9-29-2009 spa-400_kma24_inst.pdf audio panel king kma 24 intercom spa-400 spa-400 intercom sq on vol p1 j1 to aircraft power buss 12! / h28 vdc intercom circuit breaker (1 amp) ai rc ft eadpon ja! ck aircraft hand mic jack pilot headphoned jack point a (intercom central ground point
