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Threads in Forum : Vacuum Tubes Forum Tools Search this Forum Feed Icon
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Is EnnyWunne around? or Haz Evvree Wunne died? by Big Bad Bob
On 08/10/16 17:47, Patrick Turner so wittily quipped: > I probably need to try this test to see if m7 W10 PC works with Google Groups. The PC used to be W...
August 22nd 16 09:15 AM
by Big Bad Bob Go to last post
0 1,087
Andrew Jute KISS 194 by [email protected]
I'm interested in this speaker. Anyone has built one and has the plan to share with me. http://www.audio-talk.co.uk/fiultra/KISS%20194%20T91HWAF3.jpg Many...
(Multi-page thread 1 2)
July 25th 16 09:49 PM
by Big Bad Bob Go to last post
13 3,219
Borbely Millennium 200 by Jimmy[_8_]
Anyone has built this amplifier?
June 3rd 16 08:35 PM
by Peter Wieck Go to last post
1 1,218
Tube Tester Calibration Needed by Balekan
Well, I had my Triplett 3444 calibrated by Chris Haedt before he passed, God rest his soul. I am now in need of a fresh calibration. Can you folks direct me to...
May 15th 16 09:38 PM
by Big Bad Bob Go to last post
9 2,021
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15 Attachment(s) Pentode Screen Resistance (rs) Estimation Example by John L Stewart
John L Stewart Jan 2016 In the Heathkit UA-1 12W Amplifier we see a 0.1 microF capacitor bypassing a one Meg resistor supplying the screen current. We...
(Multi-page thread 1 2)
March 4th 16 02:28 AM
by Patrick Turner Go to last post
15 3,566
New web pages, 2016, about AM radio by Patrick Turner
I have a few things to say about AM radio, and generation of AM waves...
February 26th 16 09:14 PM
by Big Bad Bob Go to last post
7 1,740
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4 Attachment(s) Simple PP Amp with +ve & -ve FB by John L Stewart
John Stewart Nov 2015 This circuit is based on an amplifier I built for a friend to be used with a guitar & mike. The date on the schematic is Dec 7, 1958,...
February 3rd 16 05:03 PM
by John L Stewart Go to last post
2 1,599
1 Attachment(s) 1/2 12BH7?? by [email protected]
Hello! Which tube is equivalent to 1/2 12BH7? Thanks!
(Multi-page thread 1 2)
February 3rd 16 10:11 AM
by Big Bad Bob Go to last post
14 2,371
Is There Anybody In There? by Roger Kulp[_2_]
On Wednesday, October 28, 2015 at 12:37:11 AM UTC-6, John L Stewart wrote: > Pink Floyd > > >...
January 19th 16 05:10 PM
by Peter Wieck Go to last post
2 1,268
Need Scott 299B Output Transformers by Jeffrey Lonigro
If anyone has any leads on where to get some original Scott 299B Output transformers I am interested in purchasing.
January 5th 16 06:58 PM
by Peter Wieck Go to last post
1 1,311
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1 Attachment(s) Copper Band in a Cross-Over Choke?? by John L Stewart
What measurable benefit might this copper band have? There is what looks like a connexion to go to ground. Audiophools bad dream or something new?? Anybody...
December 18th 15 04:42 PM
by Peter Wieck Go to last post
4 1,690
Is There Anybody In There? by Patrick Turner
On Wednesday, October 28, 2015 at 2:37:11 AM UTC-4, John L Stewart wrote: > Pink Floyd > A few, those of us that still dabble anyway. The long, cold winter...
December 7th 15 12:33 AM
by Big Bad Bob Go to last post
2 1,354
1 Attachment(s) an interesting archive of R.A.T. by Big Bad Bob
http://www.audiobanter.com/forumdisplay.php?s=dd448ed4416b603f4c20c83f20424baf&f=10&order=desc seems to be an edited archive of R.A.T. - also lets you mark...
November 30th 15 11:08 PM
by Peter Wieck Go to last post
6 1,763
Chinese Rectifiers by Peter Wieck
Some years ago, I acquired a Scott LK150 amp - which came to me equipped with purportedly NEW Chinese 5AR4s. I did not even test the amp with those tubes in...
November 13th 15 12:40 PM
by Peter Wieck Go to last post
4 1,409
Looking for an Altec 438 DB Compression Meter by BPRSS
Needed: Altec 438 / DB Compression Meter Original Part # 6049.
October 30th 15 10:05 PM
by [email protected] Go to last post
1 1,383
Euratele koln tube tester by [email protected]
Den tisdag 4 juni 2002 kl. 15:21:14 UTC+2 skrev Mikko Kankaanpää: > Hello, > > Does anyone have manual or anyinfo of Euratele´s Köln tube tester? They were >...
October 2nd 15 05:02 PM
by [email protected] Go to last post
0 1,063
'getting the most out of vacuum tubes' by Tomer by Big Bad Bob
On 09/29/15 03:51, John L Stewart so wittily quipped: > Big Bad Bob;990037 Wrote: >> FYI - plug for this particular book. It discusses some rather >>...
September 29th 15 08:10 PM
by Big Bad Bob Go to last post
1 1,042
tube amp kits on ebay by Big Bad Bob
for grins I was searching around for tube-related stuff on e-bay. other than finding a couple of "box o' tube" offers at reasonably low prices I saw THIS...
September 17th 15 05:58 PM
by Frank Lucas Go to last post
2 1,184
Seeking data on old designs by David R Brooks[_2_]
Hi all, I'm trying to find copies/scans of 2 old British designs from around 1960: 1. The "D5B", a receiver kit for kids to build. Super-regenerative,...
September 15th 15 03:16 AM
by David R Brooks[_2_] Go to last post
0 959
WTB Seimens Schatulle 42 and Telefunken Opus 7 Blonde by Balekan
I am looking for these two radios. I want them back in my collection. I am not sure if this is the best newsgroup to be asking in? I used to be a member of all...
September 13th 15 08:59 PM
by Balekan Go to last post
4 1,059
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