- 1. [AMPS] SB-220 parts needed (score: 1)
- Author: rparker@dccnet.com (Ralph Parker)
- Date: Thu, 31 Jan 2002 21:35:42 -0800
- Hi Gang: I should get this thing going. But first, I need: Filament xfmr, p/n 54-238 Multimeter, p/n 407-146 (I think the plate current meter, p/n 407-145, has the same specs) Anyone have reasonably
- /archives//html/Amps/2002-02/msg00000.html (6,709 bytes)
- 2. [AMPS] SB-220 parts needed (score: 1)
- Author: 2@mail.vcnet.com (rich)
- Date: Fri, 1 Feb 2002 03:38:34 -0800
- When a tube grid/fil. shorts in a SB-220, the unfused 5v filament/relay 110v PS transformer usually melts down. To prevent this possibility with the new transformer, convert the cutoff bias method f
- /archives//html/Amps/2002-02/msg00004.html (7,556 bytes)
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