Alpha 87a. Alpha 87A rear panel YouTube Whenever bandchange is required, in less than one second the control system automatically by-passes exciter power to the antenna, changes bands and retunes, and. Microprocessor-based controller (C) performs scores of functions, including counting the incoming drive frequency to insure that the ALPHA 87A's band and tuning are always correct
W8TN's Ramblings Repairing the Alpha 87a Round Two from w8tn.blogspot.com
Search Alpha 87A with DuckDuckGo or with Bing HF Amplifiers Acom 1000 Acom 1010 Alpha 8410 Alpha 87A * Alpha 9500 Ameritron AL-80B Ameritron AL-811 Ameritron AL-811H Ameritron ALS-600 Heathkit SB-200 Heathkit SB-220 Icom PW-1 Kenwood TL-922 Yaesu FL-2100 One carton holds the power transformer and weighs 43 pounds; the second carton contains the amplifier and weighs 42 pounds
W8TN's Ramblings Repairing the Alpha 87a Round Two
The Alpha 87A Typically robust Alpha RF power Section (A) uses two Eimac 3CX800A7 triodes in grounded-grid Whenever bandchange is required, in less than one second the control system automatically by-passes exciter power to the antenna, changes bands and retunes, and. One carton holds the power transformer and weighs 43 pounds; the second carton contains the amplifier and weighs 42 pounds
W8TN's Ramblings Repairing the Alpha 87a Amplifier. They designed and built this amp with a no expense spared type of mindset The Alpha 87A Typically robust Alpha RF power Section (A) uses two Eimac 3CX800A7 triodes in grounded-grid
Alpha 87A overall condition YouTube. If you have a problem with yours, and you don't have any experience working on high power tube type amplifiers, the 87A is probably not the best candidate to start learning on The Alpha 87a ranks up there with one of the highest quality and most luxurious designed amps ever built