Icom IC-707 Instruction Manual page 46

12 OPTIONS
IC-PS15 DC POWER SUPPLY
Heavy-duty power supply.
e Output voltage : 13.8 V DC
e Max. current drain: 20A
SP-7 EXTERNAL SPEAKER
Designed for base station operation.
Style and size are matched with the
IC-707. Height can be adjusted for
your convenience.
e Input impedance : 8Q
e Max. input power : 5 W
SM-6 DESKTOP MICROPHONE
Easy-to-use
base station operation. Electret con-
denser type.
IC-PS30 DC POWER SUPPLY
Lightweight power supply. Equipped
with a 6-pin DC power cable and 3
extra output connectors.
e Output voltage : 13.8V DC
e Max. current drain: 25A
SP-20 EXTERNAL SPEAKER
Designed for base station operation.
Equipped with 4 types of audio fil-
ters, a headphone jack and can be
connected to 2 transceivers.
e Input impedance : 8Q
e Max. input power : 5 W
SM-8 DESKTOP MICROPHONE
Can be connected to 2 Icom trans-
ceivers. Includes [UP]/[DOWN]
switches. Electret condenser-type.
PS-55 DC POWER SUPPLY
Heavy-duty power supply. Built-in
cooling fan for full-duty operation.
The size is matched with the IC-707.
e Output voltage : 13.8V DC
e Max. current drain: 20A
SP-21 EXTERNAL SPEAKER
External speaker designed for base
station operation.
e Input impedance : BO
e Max. input power : 5 W
SM-20 DESKTOP
MICROPHONE
High-quality microphone with a
heavy duty base. Includes [UP]/
[DOWN] and low frequency cut
switches. Electret condenser-type.