Harbaugh has these $6 each.
Jim WE4S
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On Apr 13, 2022, 1:59 PM, at 1:59 PM, Dennis W0JX via Amps
<amps@contesting.com> wrote:
>I am building up an SB-220 - for 6 meters - from a box of parts I
>bought a few years ago. I got most everyting from a disassembled SB-220
>except for the plate and loading variable caps and some sheet metal.
>Apparently there were two different chassis used. The early version
>which I have, used a close spaced loading capacitor. The later version
>which I purchased in 1977 used a variable more like a transmiitng cap
>with wider plate spacing. Apparently Heath discovered that the early
>receiving type spaced variable was inadequate for higher SWR levels.
>For the plate tuning cap I have adapted a surplus 50 mmf variable that
>was used in the BC 312 tuning units. For the output loading cap, I am
>using a Johnson transmiting variable of about 150 mmf.
>I need to find two SB-220 circuit breakers as I did not get these. Does
>anyone know the amp rating and manufacturer of these breakers?
>73 Dennis W0JX
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