Equipment information

Ameritron AL-811 Amplifier
Manufacturer
Ameritron
Model AL-811
Date
Category: Radio, Communication
Group Amplifier
Description Linear Amplifier
Information
                                    The AL-811 is a grounded grid linear amplifier
developed by Ameritron using low cost 811A power
triodes. It operates in class AB2 for SSB and CW.
1. Fast Warm Up Time: The 811A tubes take
approximately 3 seconds to warm-up.
2. Long Tube Life: The 811A tubes are long life,
reliable transmitting tubes. 811A tubes offer
rugged, reliable operation even on RTTY and
SSTV
3. Tuned Input: A Pi-Network tuned input
matches the 811A tubes to 50 ohm exciters.
4. Two Illuminated Panel Meters: The AL-811
has two illuminated panel meters. The Grid
Current meter provides a continuous reading of
the 811A grid current to indicate proper loading
of the amplifier. The other meter switches
between high Voltage (HV) and Plate Current
(Ip).
5. Safety Interlock: Removes AC from the unit
when the cover is removed. Never attempt to
defeat this switch.
6. Operate/Standby Switch: Used to remove the
amplifier from the RF line while filament and
plate voltages are maintained for "barefoot"
operation.
7. XMT Indicator LED: Provides a front panel
indication of proper amplifier keying by the
exciter during operation.
8. ALC Voltage: The drive level is detected to
provide a negative control voltage for the exciter.
ALC prevents overdriving of the linear and
reduces distortion from excessive drive power.

These manuals are available for the above equipment:

Ameritron -- AL-811 -- Service and User Manual
File name Ameritron-5884-Manual-Page-1-Picture
Manual Type Service and User Manual
Pages 10
Size 82.56 Kbytes (84537 Bytes)
Language english
Revision
Manual-ID/Number
Date
Quality Electronic document, no scan, very well readable.
Upload date
MD5 bd86a1cbb3479c49c9ae884bfa2e519c
Downloads 272 since 01 May 2014
Information
Ameritron-5884-Manual-Page-1-Picture
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