Only the Ameritron AL-811H gives you four fully neutralized 811A transmitting tubes. You get absolute stability and superb performance on higher bands that can't be matched by un-neutralized tubes.
Ameritron mounts the 811A tubes vertically -- not horizontally -- to prevent hot tube elements from sagging and shorting out. Others, using potentially damaging horizontal mounting, require hard-to-find 811A tubes to retard harmful sagging and shorting.
Powerful 20 CFM computer grade fan -- not an open frame phonograph motor -- draws in cool air to pressurize the cabinet and efficiently cool your 811A tubes for an extra long life.
You also get efficient full-size heavy duty tank coils, computer grade capacitors, heavy duty high silicon core power transformer, slug tuned input coils, operate/standby switch, transmit LED, ALC, dual meters, QSK compatibility with QSK-5 option and much more.
Output Power: 600 Watts CW.
All Band Operation: Covers 160 - 10 Meters including WARC bands.
Four 811A Tubes: Uses four rugged, full neutralized low cost 811A PA tubes.
Vertical Tube Mounting: Prevents shorting of tube filament/grid, prolongs tube life.
Fully Neutralized: Improves stability and performance on higher bands.
Input Tune Circuit: Adjustable rear panel slug tuned input circuit.
ALC Control: Built-in adjustable ALC control.
Vernier Reduction Drives: Tuning and loading reduction drives make tuning smooth and easy.
Dual Illuminated Meters: Monitor vital operating functions.
Heavy Duty Power Supply: 17 pounds, high silicone steel core transformer and computer grade filter capacitor gives 1700 volts high voltage at no load and 1500 Volts at full load.
Multi-Voltage Operation: User selectable for 100/110/120/210/220/230 VAC operation. Shipped with transformer installed and wired for 120 VAC for domestic model or 240 VAC for export model.
Air-Cooled: Quiet pressurized ventilation keeps tubes safely cooled.
QSK Compatible: Optional external electronic pin diode Transmit/Receive switch.
Attractive Lexan front decal
Operating Weight: 32 pounds.
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