Northern Airborne Technology AA39 - Manual (Page 7)

AA39 Series Headset Adapter
SM43 Installation and Operation Manual
Section 1 Rev: 1.00 Issue 4 Page 1-4
ENG-FORM: 800-0113.DOT
CONFIDENTIAL AND PROPRIETARY TO NORTHERN AIRBORNE TECHNOLOGY LTD.
AA39-187 Military Lo-Z to general aviation Hi-Z headset adaptor
1 mic input - 250
μVrms into 5 Ω
1 phones output - 0.8 Vrms into 8
Ω
1 mic output - 250 mVrms into 150
Ω
Powered by mic bias.
1 phones input - 7.7 Vrms into 600
Ω
AA39-287
Dual military Lo-Z to general aviation Hi-Z headset adaptor
2 mic inputs - 250
μVrms into 5 Ω
2 phones outputs - 0.8 Vrms into 8
Ω
2 mic outputs - 250 mVrms into 150
Ω
Powered by mic bias.
2 phones inputs - 7.7 Vrms into 600
Ω
Section 1 ends