Specifications

good lightning arrestor, and it’s good practice to disconnect and ground antenna feedlines,
and to disconnect AC power, when the equipment is not in use.
6. Never use an automatic antenna tuner into or through the 99. This will cause damage to
the Input Wattmeter & Input Relay. Note that many popular transceivers have built in
antenna tuners which should be disengaged when driving your amplifier.
HAPPY AND SAFE OPERATING.
Figure 1 - Top View
L4 BL1 HV K2 Vacuum P1 Transformer S3
RF Choke Blower Crowbar Relay AC Connector Interlock
L8 C22 Power Supply BR1 J1 HV Connector
C32 Board HV Bridge
(under C22) J2 LV Connector
S6
Bandswitch
L7
V
1, V2
C19,20
L6
Radio Alpha Products Inc. ® Alpha 99
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