Yh-77St Lightweight Headphones (Option) - Yaesu FT-840 Service Manual

Specification
Impedance:
Operating Temperature Range:
Sensitivity:
Speaker Maximum Input:
Circuit Diagram
D
WH I TE
I I '--(
L
S H I EL D
D
S H I E L D
R
RED
FT-840 Technical Supplement
at lkHz
35 Q ± 30%
+
0°C 50°C
�
at lkHz
103dB /mW ± 3dB
bar )
( OdB = 0.0002 µ
50m W
YH-77ST Lightweight Headphones