C17 on 91B Control board (higher voltage rating)C42 on 89 Control board (higher voltage rating)
91B Owners Manual, with Schematics
Yaesu amp keying cable, for radios Yaesu FT-1000MP MkV, FT-2000, FTdx-5000, FTdx-9000, FT-1000D, FT-920. Part Number AJX-X262.NOTE: Does not fit FT857.
Bandswitch wafer for current production Alpha amplifiers.Part Number SWX-X111.
Bandswitch Knob for Alpha 76, 76A, 78, 374A, 91B, 99, 8100, 8410
160m Padding Capacitor Assembly, 5 x 75pf 18kVPart Number AHX-X524