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Total 8 documents matching your query.

1. [Amps] What blower? (score: 1)
Author: Mike Bondarev <mikebond@tochka.ru>
Date: Fri, 27 Jan 2006 19:40:09 +0000
Hi there! I'm a newcomer to this list and this is my first mail. I'm now in the process of collecting parts for my home brew project. It will be GC GU-84B (or maybe GU-78B) amplifier. I would like to
/archives//html/Amps/2006-01/msg00627.html (6,702 bytes)

2. Re: [Amps] What blower? (score: 1)
Author: Mike Bondarev <mikebond@tochka.ru>
Date: Sat, 28 Jan 2006 11:32:18 +0000
Hi again! Thanks to all of you for your comments. GU-84B need 147CFM and GU-78B need 165CFM airflow. But this is for full power plate dissipation continuous key down. In SSB and CW you can have less.
/archives//html/Amps/2006-01/msg00639.html (7,836 bytes)

3. Re: [Amps] What blower? (score: 1)
Author: Mike Bondarev <mikebond@tochka.ru>
Date: Sat, 28 Jan 2006 21:31:49 +0000
I have just found it on K7EM's home page http://www.bctonline.com/~skelly/index.htm : "I purchased this amplifier new from Henry Radio back in 1988 and have always been disappointed with the excessiv
/archives//html/Amps/2006-01/msg00649.html (9,108 bytes)

4. Re: [Amps] fan experts (score: 1)
Author: Mike Bondarev <mikebond@tochka.ru>
Date: Sun, 29 Jan 2006 13:22:36 +0000
This is the same blower as used in OM-2500 PA. I saw this amp. during Contest Club Finland meeting last weekend. Looks very nice inside. Look at http://www.galco.com/scripts/cgiip.exe/WService=Galco-
/archives//html/Amps/2006-01/msg00678.html (8,546 bytes)

5. Re: [Amps] cathode to ground in tetrode amp (score: 1)
Author: Mike Bondarev <mikebond@tochka.ru>
Date: Tue, 31 Jan 2006 14:08:25 +0000
Hello! If you are using "standard" Russian made socket for GU-84B tube (like this one http://cgi.ebay.com/GU-84B-4CX2500A-Svetlana-CHIMNEY-Socket_W0QQitemZ5858878407QQcategoryZ4675QQssPageNameZWDVWQQ
/archives//html/Amps/2006-01/msg00765.html (9,249 bytes)

6. Re: [Amps] cathode to ground in tetrode amp (score: 1)
Author: Mike Bondarev <mikebond@tochka.ru>
Date: Tue, 31 Jan 2006 14:37:36 +0000
Hi, Chuck. There are 10 small gray cylinders between cathode pins and ground (case). It's 10 resistors in parallel with total value of 0,43 ohms. There are also ceramic bypass capacitors (blue color)
/archives//html/Amps/2006-01/msg00767.html (8,630 bytes)

7. Re: [Amps] HB amps (score: 1)
Author: Mike Bondarev <mikebond@tochka.ru>
Date: Fri, 3 Mar 2006 21:36:17 +0000
Hi Gary! Is it GG or GC ? Regards, Mike RL3BM _______________________________________________ Amps mailing list Amps@contesting.com http://lists.contesting.com/mailman/listinfo/amps
/archives//html/Amps/2006-03/msg00046.html (8,864 bytes)

8. Re: [Amps] HB amps (score: 1)
Author: Mike Bondarev <mikebond@tochka.ru>
Date: Sun, 5 Mar 2006 10:58:21 +0000
I wonder if anyone know the input impedance for two 813's in GG? Any source for working input pi-network with coil winding data etc.. Also what max. grid current can we expect? Regards, Mike RL3BM __
/archives//html/Amps/2006-03/msg00081.html (8,702 bytes)

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