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1. [Amps] SB220 - Voltage Doubler circuit headroom? (score: 242)
Author: ve7avv at shaw.ca (Paul B. Peters, VE7AVV)
Date: Fri Apr 4 22:02:39 2003
I'm working on an SB220 and wondering about the suggested headroom for a P600M? Should I put 4 or 5 in each leg of the voltage doubler? 73 de Paul, VE7AVV StoneyGround Station -|<*><*>||<*><*>||<*><*
/archives//html/Amps/2003-04/msg00030.html (6,946 bytes)

2. [Amps] Rejuvenating glass power tubes (score: 242)
Author: ve7avv at shaw.ca (Paul B. Peters, VE7AVV)
Date: Thu Mar 6 20:22:44 2003
I've just acquired an SB-220. The amp has most of the standard modifications -- but the 3-500s have not been in service for some time. While the tubes are known to be good, I'm curious what you think
/archives//html/Amps/2003-03/msg00277.html (7,202 bytes)

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