Yaesu FTA Series Information Sheet

Connecting a GA Headset to the Yaesu FTA Series Airband Radio
Your radio is supplied with a SCU-15 GA Headset adapter as per the wiring diagram
Headset specification requirements for the SCU-15
Earphone (Speaker) Impedance: 8 ohms or above
Microphone impedance:
PTT pressed:
PTT not pressed:
If a high impedance microphone is used, then a suitable power supply for the electret microphone element and a low
output impedance buffer amplifier will be required.
An example of a suitable external PTT switch is the Pilot
PA-50 which plugs into the SCU-15 Microphone socket.
The GA headset microphone plug connects to the PA-50
socket.
A range of intercoms that are compatible with the Yaesu FTA series of radios are available from third party
manufacturers.
150 ohms +/- 20%
Ground
Open
Using an external PTT switch
Using an intercom
Yaesu FTA series Air Band Radio
Information Sheet No. 1
June 2018
1 Ground
2 Microphone
3 PTT
4 Speaker