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1. [AMPS] 572B Rejuvenating ? (score: 1): Author: km1h@juno.com (km1h@juno.com); Date: Tue, 27 Oct 1998 12:16:16 -0500; Anyone have experience with these tubes? I picked up a SB-200 thru Packet that was " mint, works great, etc". Damn thing barely makes 350W out, and looks like it was in a tobacco barn. I have cooked; /archives//html/Amps/1998-10/msg00407.html (7,396 bytes)
2. [AMPS] 572B Rejuvenating ? (score: 1): Author: measures@vc.net (Rich Measures); Date: Tue, 27 Oct 1998 09:54:15 -0800; 15% over-Voltage cuts the emissive life to under 1%, Carl If a pair of good tubes brings the output up to what you consider normal, maybe it's Trashtime? I had no luck with the fil. overvoltage "rej; /archives//html/Amps/1998-10/msg00408.html (7,610 bytes)
3. [AMPS] 572B Rejuvenating ? (score: 1): Author: wb8jkr@juno.com (Mark S Graalman); Date: Tue, 27 Oct 1998 15:58:50 EST; Carl, I think the usual way is 5% over voltage for about 10-15 hours. But in this case it sounds like the tubes maybe about dead. Mark WB8JKR _________________________________________________________; /archives//html/Amps/1998-10/msg00409.html (8,553 bytes)

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