Revision 2
2
Quick Start
Thank you for purchasing this amplifier system. The ALS1306 is a 1200-watt nominal PEP
output amplifier and power supply system. This amplifier covers 160-6 meters. Nominal drive
power is 100 watts or less. This system will not and does not operate on the CB band.
The ALS1306 interfaces with most modern amateur radio transceivers, including band data
information. Band data connection will require purchasing an Ameritron interface cable for your
radio.
Carefully unpack this amplifier and power supply. Cabinets and controls can be broken, bent, or
dented with rough handling. Please inspect everything for physical shipping damage; this
includes cabinets and chassis. Ameritron does not package dented or damaged units. If your unit
is damaged or dented, including broken knobs or switches, it is always from handling somewhere
between Ameritron and the end user. In the event of cabinet damage or broken controls, please
retain all packing materials and containers so damage claims can be resolved.
Installation and Operation
Placement
WARNING: Do not block ventilation holes. Do not expose to water or external heat.
This unit is two units, a power supply and an amplifier section. The power supply, within limits
of cable length, can be placed out of the way. The amplifier section should be in a convenient
location within arm’s reach of the operating position.
Wiring
Power Mains
1.) This amplifier requires a 200-260 Vac, 50-400 Hz, 15-ampere or larger mains supply. This
range includes all typical power lines worldwide, including USA 240-volt systems
(sometimes incorrectly referred to as “220 volt”).
2.) The plug is a NEMA 6-15P, 250 maximum Vac at 15 amperes. This is a standard USA
250V plug with a safety ground pin
3.) The amplifier’s power supply system contains two 30-ampere 50-volt supplies, one for
HV1 and the other for HV2. The supply can be damaged by operation with voltages below
200 volts or above 260 volts.
4.) Larger power wiring will not help performance or power unless amplifier high voltage is
unstable.
5.) While not recommended, the power supply can be rewired for 100-130 Vac operation.
The increase in power line current with reduced power line voltage will limit amplifier
power.
6.) The ALS-1306 power supply system is voltage regulated. You should see very little
change in HV1 and HV2 with amplifier power. Less than 3 volts change from the 50Vdc
nominal voltage is normal.
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