Only the AMERITRON AL-811H gives you four fully neutralized 811A transmitting tubes. You get absolute stability and superb performance on higher bands that cant be matched by un-neutralized tubes. 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! SPECIFICATIONS: Output power: 800 Watts PEP, 600 Watts CW. All Band Operation: Covers 160-15 Meters including WARC bands. Can be user modified for12 and 10 Meters. Four 811A Tubes: Uses four rugged, fully 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. QSK-5 Attractive Lexan front decal One Year AMERITRON warranty. Dimensions: 8 ¼" x 13 ¾" x 15 ½". Operating Weight: 32 lbs. Made in USA Ameritron AL-811 Variants 600 W output(3 x 811A tubes) 800 W output(4 x 811A tubes) 800W output(4 x 572B tubes) US 120V AL-811 AL-811H AL-811HD Export 220/240V AL-811X AL-811HX AL-811HDX Export 220/240V CE certified AL-811XCE AL-811HXCE AL-811HDXCE Export 120V w/10 Meters AL-811Y AL-811HY AL-811HDY Videos Product Manuals Download Product Manual
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