Alpha 87A

Alpha 87A Autotune HF Amplifier

The Alpha 87A is capable of 1.5kW continuous RF output on all commonly used modes and on any authorized amateur frequency from 1.8 to 29.7 MHz. Band change and tune-up are microprocessor controlled.
Capable of full CW break-in (QSK) and all digital modes when used with any appropriate transceiver.

AlphaMax Firmware to upgrade 87A amplifiers built before 1999 IS available in our web store

Alpha 87A Fuses – Purchase on our web store by part number:

Micro Fuse, 2 Amp 125V, Part Number FSX-X123
Used on the 87A T/R board and 87A LVPS

Micro fuse , 0.25 Amp 125V, Part Number FSX-X130
Alpha 87A T/R module and 86 T/R Board


87A Communications to PC 87A_Communications_to_PC
87A AlphaRemote software (Windows) alpharemote
87A Using AlphaMax Function 87A Using AlphaMax Firmware
87A Receive Loss Alpha_87A_Receive_Loss
87A Manual with Simplified Schematic and Functional Block Diagram 87A_Manual_2016
87A Full Schematics 87A_full_schematics
87A Functional Block Diagram 87A_Manual_fig-9
87A Simplified Schematic 87A_Manual_fig-10
87A Parts list PARTS_LIST_-_ALPHA_87A
87A Tubedeck Blower Replacement Procedure 87a_Blower_Replacement_1
87A AlphaMax manual AlphaMax
Alpha Amplifier Production Dates Alpha_Amplifier_Production_Dates
Alpha Amplifier Keying Specs Amp_Keying_Specs
Hyperterminal hyperterminal



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