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Total 9 documents matching your query.

1. [Amps] Drake L-7 amplifier power supply requirements (score: 1)
Author: A Lawrence Fibich <lfibich@sbcglobal.net>
Date: Sat, 15 Jan 2022 18:24:27 +0000 (UTC)
I could use assistance from anyone who knows this Drake Amplifier and it's power supply. 1st I have advertized widely for an original one to buy - nothing.2ndly I did get a 'home built' power supply
/archives//html/Amps/2022-01/msg00048.html (7,433 bytes)

2. Re: [Amps] Drake L-7 amplifier power supply requirements (score: 1)
Author: A Lawrence Fibich <lfibich@sbcglobal.net>
Date: Tue, 18 Jan 2022 04:58:33 +0000 (UTC)
Thanks Mickey but I have them. The difficulty is trying to connect this home brew power supply to what the amp needs. HV no problem; as well as 120vac via the in/ off switch but the rest of the pins
/archives//html/Amps/2022-01/msg00051.html (8,971 bytes)

3. [Amps] PS for a DRAKE AMP (score: 1)
Author: A Lawrence Fibich <lfibich@sbcglobal.net>
Date: Fri, 13 May 2022 19:03:44 +0000 (UTC)
Hi, Still looking for a DRAKE AMP PS L-4 or L-3 IF anyone happens to know of one/where.73Larry FW6EF _______________________________________________ Amps mailing list Amps@contesting.com http://lists
/archives//html/Amps/2022-05/msg00005.html (6,567 bytes)

4. [Amps] suggestion/recommendation wanted for a 'tunable' 15 pf capacitor on MFJ 989C tuner (score: 1)
Author: A Lawrence Fibich <lfibich@sbcglobal.net>
Date: Sat, 24 Sep 2022 16:24:11 +0000 (UTC)
There is a tunable ceramic Capacitor listed as 15 pf in these tuners. They are on the RF output and provide power for the S Meter. Capacitors in the area are rated as 3 KW - I have been unable to fin
/archives//html/Amps/2022-09/msg00040.html (7,429 bytes)

5. [Amps] Fw: help (score: 1)
Author: A Lawrence Fibich <lfibich@sbcglobal.net>
Date: Sat, 22 Oct 2022 17:58:13 +0000 (UTC)
Guess I am not sure how to post a listing -- thanks.. Larry FW6EF -- Forwarded Message -- From: A Lawrence Fibich <lfibich@sbcglobal.net>To: amps-request@contesting.com <amps-request@contesting.com>;
/archives//html/Amps/2022-10/msg00037.html (8,702 bytes)

6. Re: [Amps] DRAKE L-4 AMP - 'rewiring the ON/OFF switch" (score: 1)
Author: A Lawrence Fibich <lfibich@sbcglobal.net>
Date: Thu, 1 Dec 2022 02:02:35 +0000 (UTC)
Might be a bit hard to explain - so if you have/know this unit perhaps can talk off line?  I am rewiring the ON/OFF switch so the 220VAC doesn't go through the switch. Using an AC relay (output/contr
/archives//html/Amps/2022-11/msg00097.html (8,471 bytes)

7. [Amps] Requesting opinions on a Drake L-4b's tubes (score: 1)
Author: A Lawrence Fibich <lfibich@sbcglobal.net>
Date: Fri, 23 Dec 2022 20:48:28 +0000 (UTC)
I just acquired this Drake L-4b as the third owner and no nothing about its history. It puts out 400 watts with recommended Plate and grid currents (.56 amps, and 225Ma respectively). If overdriven (
/archives//html/Amps/2022-12/msg00095.html (7,877 bytes)

8. Re: [Amps] Requesting opinions on a Drake L-4b's tubes (score: 1)
Author: A Lawrence Fibich <lfibich@sbcglobal.net>
Date: Fri, 23 Dec 2022 23:31:31 +0000 (UTC)
Please accept apologies - I misspoke on being push pull - surely finals are in parallel - I was more focused on trying to explain simply and 'fingers did their thing' again, sorry for misspeaking. La
/archives//html/Amps/2022-12/msg00100.html (9,079 bytes)

9. [Amps] To Post (score: 1)
Author: A Lawrence Fibich <lfibich@sbcglobal.net>
Date: Mon, 23 Jan 2023 22:59:42 +0000 (UTC)
I have a Bendix transformer and another smaller transformer with no markings.  The Bendix - 120 vac primary and 3000 2ndary with a center tap for 1500 vac.  The other transformer I think would be lik
/archives//html/Amps/2023-01/msg00029.html (6,906 bytes)

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