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1. [Amps] Drake L4B/8877 Retrofit Problem (score: 1): Author: "w2cqm@juno.com" <w2cqm@juno.com>; Date: Mon, 10 Dec 2007 23:47:21 GMT; Perhaps some of the Amps Reflector experts out there can help with an amplifier construction project problem! Recently completed the fourth in a series of similarly constructed Drake L4B/8877 retrofi; /archives//html/Amps/2007-12/msg00123.html (9,750 bytes)
2. Re: [Amps] Drake L4B/8877 Retrofit Problem (score: 1): Author: Rick Stealey <rstealey@hotmail.com>; Date: Tue, 11 Dec 2007 00:54:49 +0000; Ron, Did you ever try the exercise of putting an approximately 3500 ohm resistor across the tune cap to simulate tube driving Z and looking into the loading cap with an antenna analyzer, looking for; /archives//html/Amps/2007-12/msg00125.html (7,887 bytes)
3. Re: [Amps] Drake L4B/8877 Retrofit Problem (score: 1): Author: "k7rdx" <k7rdx@charter.net>; Date: Mon, 10 Dec 2007 17:13:44 -0800; Hi Ron,I experianced nearly the same symptoms after modifying a Dentron 2000L (8877) With A Dahl replacement transformer upping the plate voltage from the standard 2500 to 3800vdc. I replaced the pla; /archives//html/Amps/2007-12/msg00126.html (11,327 bytes)

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