Equipment information

Ameritron AL-800 Amplifier
Manufacturer:
Ameritron
Model: AL-800
Date:
Category: Radio, Communication
Group: Amplifier
Description: LINEAR POWER AMPLIFIER
Information:

The Ameritron AL-800 is a 1200 watt PEP output linear Amplifier that operates from 160 through 15 meters. The AL-800X and AL-800Y are export models that operate from 160 through 10 meters. Export modification instructions are only available with proof of a valid amateur radio license. The AL-800 uses a single 3CX800A7 tube in a class AB2 grounded grid circuit. High-quality Power Supply and RF components combine with an accurate peak-detecting directional coupler, front panel adjustable true ALC circuit, electronic grid current and thermal overload protection, and automatic bias switching to make this the best featured and most reliable single 3CX800A7 Amplifier available. The AL-800 and AL-800Y are factory-wired for 120 volt, 50/60 Hz ac line voltage. The AL-800X is factory wired for 240 volt, 50/60 Hz ac line voltage. All models are easily converted to Other supply voltages between 90 and 250 volts ac.

These manuals are available for the above equipment:

Manual Type: Service and User Manual Ameritron-5881-Manual-Page-1-Picture
Pages: 40
Size: 120.51 Kbytes (123399 Bytes)
Language: english
Revision:
Manual-ID/Number:
Date:
Quality: Electronic document, no scan, very well readable.
Upload date:
MD5: 3e6301245c202f48d5fa45ef83845c57
Downloads: 334 since 29 April 2014
Information:

Unpacking Instructions ... 1 Features ... 3 AL-800 Technical Specifications ... 4 General Information ... 6 Safety Interlock ... 6 ALC ... 6 Dynamic Bias ... 7 Timer - Overload Circuits ... 7 Grid Overload Protection ... 7 Thermal Overload ... 8 Cathode Warm-up Timer ... 8 Power Supply ... 8 Heater Supply ... 8 Plate (HV) Supply ... 8 Meters ... 9 Current Meter (plate and grid): ... 9 Multimeter ... 9 Multimeter Functions ... 9 Wattmeter Circuit ... 10 Peak Envelope Power vs. Average Power ... 10 Tube Life ... 10 Export Modifications ... 12 Technical Assistance ... 12 Installation Guidelines and Suggestions ... 13 Location Of The Amplifier ... 13 Ventilation ... 13 Power Connections ... 13 Grounding ... 14 Transformer Connections ... 15 Jumper Connections ... ... 15 Interconnections ... 15 Operating Instructions And Guidelines ... 16 Front Panel Controls ... 16 Driving Power ... 17 Tube and Component Life ... 18 Additional SSB Notes ... 18 AM (Amplitude Modulation) Operation ... 19 Audio Distortion ... 19 FM (Frequency Modulation), RTTY, and DIGITAL OPERATION ... 19 ALC Metering, Controls, and Adjustments ... 19 ALC Metering Functions ... 19 ALC Controls ... 20 ALC Adjustments ... 20 Rear-panel "ALC LIMIT" control ... 21 ALC Limit Adjustment (rear panel) ... 21 "ALC SET" control ... 22 Tuning ... 22 QSK Operation ... 25 Periodic Maintenance ... 26 Parts List ... 27 Timer / Overload Board (50-0117-2) ... 27 Power Supply / SWR Board (50-0800-1) ... 28 Meter Board (50-0800-3) ... 29 Tuned Input Board (50-0800-2) ... 29 AL-800 Tuned Input Chart ... 29 AL-800 Main Chassis Parts List ... 30 Frequency Coverage ... 31 Amplifier Tuning Log ... 31 Notes: ... 31 Schematics ... 32 Power Supply / SWR Board ... 32 Tuned Input Board ... 33 Meter Board ... 34 Timer / Overload Board ... 35 Main Chassis ... 36

Ameritron-5881-Manual-Page-1-Picture


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