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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 02:31 AM
by [email protected] Go to last post
0 808
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 1,039
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 1,416
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 4,434
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
1 869
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
1 990
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 1,671
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 1,888
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 1,150
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 1,623
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 2,267
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 1,091
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 1,262
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
0 817
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
2 879
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 06:50 PM
by Peter Wieck Go to last post
0 820
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 03:27 AM
by Big Bad Bob Go to last post
2 1,009
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 01:11 PM
by Peter Wieck Go to last post
0 861
Best tubes for Jolida SJ-502 by [email protected]
On Friday, March 6, 1998 at 3:00:00 AM UTC-5, Douglas Greig wrote: > Hello, > > I bought a Jolida SJ-502a last year. I am sure that a lot of you > consider...
February 26th 17 04:58 PM
by [email protected] Go to last post
0 833
My Mechanic says I need a Tube in my Tire by [email protected]
My mechanic says I need a Tube in my car tire. I told him that I'll bring him one tomorrow. I have a box of old tv and radio tubes as well a a few picture...
February 7th 17 01:17 AM
by D. Aaron Sawyer Go to last post
4 1,234
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