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Ameritron ALS-1300
1200-watt
NO TUNE
TMOS-FET AMPLIFIER
The Ameritron ALS-1300 is a 160 through 15-meter 1200-watt output solid-state amplifier. An optional user-
installed MOD-10MK filter assembly extends operation to 12- and 10-meters. The ALS-1300 uses eight 50-
volt conservatively rated linear RF MOSFETS. These 50-volt linear FET’s produce an exceptionally clean
signal compared to other solid-state amplifiers. Fan speed is regulated by temperature sensors assuring
conservative cooling with minimum noise.
Nominal driving power is 90 watts for 1200-watts output (approximately 11 dB gain) on most bands. The
compact 10.5” wide by 6.75” high amplifier package (depth only 19”) fits nearly any station configuration. The
attractive desk-top amplifier unit weighs only 22 pounds.
An external 50-volt 50-ampere regulated switching power supply powers the ALS-1300. The supply is wired
for 240 VAC (200-260 VAC, 50-60 Hz, 15 amperes), but can be rewired for 120 VAC operation for lighter duty
operation.
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