8
3/b REAR PANEL
1. 230V
Power cord fit for standard 230V-50/60Hz mains. The colour of the protective earth is
green/yellow.
2. FUSE1-2
Main fuses, 230V max. 10A,MAX 12A.
3
.
FUSE3
Cathode fuse of the power tubes.
4
.
FUSE4
Fuse for the 18V AC. Value range 1.6A.
5. FAN 1
Cooling fan for the main transformer. 12V - 0.2A DC.
6
.
FAN 2
Cooling fan for the power valves. 12 - 18V/ 0.3A DC, or 230V AC 18W.
7. PTT
Connection for PTT RCA. The relays are closed by earth connection. Low voltage, low current
opto entry. Fit for open collector control as well (15V, 10mA;24V 10mA on case HF PA’s).
Use a sequencer circuit for long life of coaxial relays!
8
.
INPUT
Input connection for the driver TCVR. 50 Ohm (“N” connector, SO239 on case HF PA’s).
9. OUTPUT
Aerial connection. 50 Ohm (“N” connector, SO239 on case HF PA’s).
10. GND
Ground connection
.
11. ALC
ALC output, maximum level -10V. (only HF PA’s, if you need,option).
