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Total 9 documents matching your query.

1. [Amps] QSk with SB-200 (score: 216): Author: paule at sfu.ca (paule@sfu.ca); Date: Tue Jul 22 08:17:45 2003; Hi Adam, I know someone has done a variation of Rich Measures circuit for the 200. I had the circuit but lost it when my harddisk crashed. I may have it elsewhere if you do not hear from the author h; /archives//html/Amps/2003-07/msg00120.html (8,072 bytes)
2. [Amps] Grid grounding material? (score: 216): Author: paule at sfu.ca (paule@sfu.ca); Date: Tue Apr 8 13:37:01 2003; I am getting ready to directly ground the grids of the 3-500's in one of my SB-220s'.I have some copper strap that I was planning on using, but was wondering if I should tin the whole piece to preven; /archives//html/Amps/2003-04/msg00083.html (6,613 bytes)
3. [Amps] SB-220 C-21 question (score: 216): Author: paule at sfu.ca (paule@sfu.ca); Date: Mon Apr 14 10:44:47 2003; I was looking at a freinds SB-220 and found that C21 (a .02 cap across the tube side of the filament choke) had been removed. Any reason why this should be taken out? Should I replace it? The amp app; /archives//html/Amps/2003-04/msg00138.html (6,482 bytes)
4. [Amps] SB-220 improved efficiency in CW? (score: 216): Author: paule at sfu.ca (paule@sfu.ca); Date: Wed Apr 16 17:48:24 2003; I have been wondering about the possibilities of improving the efficiency of the SB220 in cw mode. Looking at the AL-82 I see they use two zeners in series and short one out to deal with the necessar; /archives//html/Amps/2003-04/msg00178.html (6,874 bytes)
5. [Amps] power cord strain relief recommendations? (score: 216): Author: paule at sfu.ca (paule@sfu.ca); Date: Mon Apr 28 09:01:39 2003; I am rewiring a couple of SB-220 amps for 220 and need to replace the existing cords with 12-3. Anyone have any recommendations for type and sources of appropriate strain reliefs? cheers, Paul - VA7N; /archives//html/Amps/2003-04/msg00222.html (6,764 bytes)
6. [Amps] SB220 - qsk photos? (score: 216): Author: paule at sfu.ca (paule@sfu.ca); Date: Wed Mar 26 23:49:22 2003; I am planning on putting qsk with vacuum relays in a couple of SB220's and have the circuit in need, but was wondering if anyone had any pictures of their installations? I am looking for ideas for th; /archives//html/Amps/2003-03/msg00862.html (6,374 bytes)
7. [Amps] verniers for SB220 (score: 216): Author: paule at sfu.ca (paule@sfu.ca); Date: Mon Mar 31 16:09:30 2003; Has anyone found any vernier mechanisms that can be used with the SB220 without having to damage the front panels or at least keeping the damage to a minimum. Having vernier dials would make tuning/b; /archives//html/Amps/2003-03/msg00959.html (6,427 bytes)
8. [Amps] SB-200 power switch (score: 216): Author: paule at sfu.ca (paule@sfu.ca); Date: Thu Feb 6 15:58:07 2003; Anyone know a good replacement for the SB-200 power switch? The one in mine, just failed, (will not allow the amp to be turned off...) cheers, Paul - VA7NT ex VE7CQK - email: paule@sfu.ca "Those who; /archives//html/Amps/2003-02/msg00113.html (6,311 bytes)
9. [Amps] HV caps and transformer ? (score: 216): Author: paule at sfu.ca (paule@sfu.ca); Date: Thu Aug 7 06:44:57 2003; A friend of mine is in need of the following: 1 - .00047uF 20Kv Doorknob or transmitting cap of some sort (anything so long as it can handle at least 20 Kv RF. 2 - a 500pf 10Kv RF rated cap of some s; /archives//html/Amps/2002-09/msg00334.html (6,514 bytes)

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