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Threads in Forum : Vacuum Tubes Forum Tools Search this Forum Feed Icon
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What type of capacitor should I use? by [email protected]
What type of capacitor would be the best match to replace the old paper/wax caps in old tube gear? I am not referring to the electrolytics, those I know need...
(Multi-page thread 1 2 3)
November 26th 17 01:20 PM
by Peter Wieck Go to last post
23 2,981
World Audio single ended 4W questions by [email protected]
I did a couple of articles on 6080 triode amps sometime back. A pair of 6080's in PP yielded an easy 30W at very low distortion. Looks like a copy of it is...
November 23rd 17 05:40 PM
by [email protected] Go to last post
0 870
World Audio single ended 4W questions by [email protected]
On Friday, November 9, 2001 at 3:37:15 AM UTC-5, Tomek Jarosinski wrote: > Hello, > > I have a possibility to buy one 6 years old World Audio DIY single...
November 15th 17 03:31 AM
by [email protected] Go to last post
0 828
FS; Western Electric tube amplifier by [email protected]
เมื่* วันพฤหัสบดีที่ 16 พฤศจิกายน ค.ศ. 1995 15 นาฬิกา 00 นาที 00...
October 2nd 17 10:17 AM
by [email protected] Go to last post
0 1,063
B Field collapse by Xtrchessreal
While researching ignitors on gas arc tube lamps I read about how the magnetic field collapses when the circuit is basically opened as the AC input signal...
September 28th 17 08:26 PM
by Big Bad Bob Go to last post
8 1,437
1 Attachment(s) Tales of a Heathkit W7-M amplifier by Roger Jones
Hi, Vacuumlanders, I'm seeking advice and opinion on a vintage Heathkit audio amplifier the W7-M. I was given one a few weeks ago by an old gent who built...
(Multi-page thread 1 2)
September 8th 17 10:52 PM
by Big Bad Bob Go to last post
18 4,464
2E22 - "300B Pentode" by [email protected]
On Friday, July 31, 1998 at 3:00:00 AM UTC-4, Kurt Steffensen wrote: > Gent´s. >2E22 is a DHT tube and has a maximum 40 watts (plate + screen) dissipation >...
September 5th 17 09:19 PM
by Peter Wieck Go to last post
1 887
Marantz 7--Why so expensive?? by [email protected]
On Tuesday, October 20, 1998 at 4:00:00 PM UTC+9, David Anderson wrote: > Hi, > > I don't want to start a price-flame war, but I'm simply curious as to why >...
August 21st 17 02:06 PM
by Peter Wieck Go to last post
1 1,011
Annual Spring Cautionary Post - 2017 by Peter Wieck
All: I have changed the format a bit, and put all the links at the beginning. I am also sending this out a bit earlier than usual by about 2 weeks as we have...
August 16th 17 01:43 PM
by Peter Wieck Go to last post
3 1,692
GZ34 by Frank Lucas[_2_]
So I've decided to buy two brand new JJ's GZ34 for my two mono 2A3 amps. JJ's are cheap and I thought that if they were to last a few months before selling...
(Multi-page thread 1 2)
August 9th 17 04:32 PM
by [email protected] Go to last post
13 1,919
Mouser Electronics by Peter Wieck
All: Just got an e-mail from Mouser that some parts I had ordered in the past were about to be discontinued (as obsolete) by the manufacturer. Few suppliers...
July 28th 17 02:53 PM
by Jim Candela[_2_] Go to last post
3 1,164
BIAS regulation Electro Harmonix KT90 vs Jinvina KT90 by Luigi Vogliobene
Hi to all, I am new in this forum, I own a MingDa MC368BSE audio amplifier and it is time to replace the final tubes, I was suggested to replace the original 4...
July 10th 17 10:53 AM
by [email protected] Go to last post
9 1,649
Tone Burst Testing by Phil Allison[_3_]
Hi, my colleague Rod Elliot has designed a neat, tone burst gate that you can build yourself quite cheaply. It can produce bursts of 1 to 32 "on" cycles...
May 30th 17 03:25 PM
by [email protected] Go to last post
5 2,282
long lines of interesting and educational posts to usenet ;-) by Eike Lantzsch
Hi y'all! Just for your information, lines longer than 78 characters make it uncomfortable for me to read otherwise very interesting posts, since I still use a...
May 28th 17 03:13 PM
by Eike Lantzsch, ZP6CGE Go to last post
3 1,121
Replace plate load resistor with plate choke by Jimmy[_8_]
HellO! I've read posting on other forum and it draws my attention. IS the DCR of the plate choke should be equal to the resistive value of the plate load...
May 23rd 17 12:17 PM
by [email protected] Go to last post
9 1,282
FS: Lazarus Pre-amp, Quicksilver GLA amp,& McCormack Micro Phono by [email protected]
On Monday, June 8, 1998 at 3:00:00 AM UTC-4, erik flores wrote: > Lazarus Balance Cascade Classic Tube pre-amp for $550 > Quicksilver GLA Amp for $600 >...
May 8th 17 07:50 PM
by [email protected] Go to last post
0 834
Precision 900B tube tester,unique? by [email protected]
On Monday, May 19, 2003 at 8:45:00 AM UTC-7, Luis Pla Revuelta wrote: > Hi > I am restoring this tube tester from Precision Instruments. > This model looks...
April 28th 17 11:48 PM
by Cesarion76 Go to last post
2 902
Scott LK150 by Peter Wieck
I am looking for a clean copy of the original assembly manual for a Scott LK150. My unit was assembled with Kynar wire, I would like a do-over. Thanks in...
March 25th 17 07:50 PM
by Peter Wieck Go to last post
0 836
Which Mesa guitar amp has 12 power output tubes by [email protected]
There is supposed to be one of the Mesa guitar amps that uses 12 power output tubes in some sort of push-pull parallel - parallel manner. I'd like to look at...
March 2nd 17 04:27 AM
by Big Bad Bob Go to last post
2 1,027
Best tubes for Jolida SJ-502 by Peter Wieck
Somewhat it depends on which Jolida you have. There are amps made and assembled in China, and those final-assembled and tested in the US. The latter are the...
February 27th 17 02:11 PM
by Peter Wieck Go to last post
0 879
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