Alpha 87a Fault 1 / Downlevel modification
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Alpha 87A Amplifier Fault 1 & the ‘downlevel amplifier’ I purchased a used Alpha 87A amplifier from a local ham in April of 2007, and enjoyed using it for a number of months. One evening in October 2007, while trying to work some 160 meter DX, the amplifier faulted on keydown, turning itself off. Upon …