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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
1 791
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
1 882
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 1,545
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 1,750
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 1,070
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 1,525
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 2,152
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
3 983
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 1,160
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
0 734
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
2 780
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
0 753
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
2 918
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
0 789
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
0 760
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 1,148
Restoring a Sherwood S-5000 by [email protected]
Hello all, One of my favorite tube amps has to be the Sherwood S-5000. It's a little gem of an integrated amp that is quite easily underestimated. Most...
(Multi-page thread 1 2 3 ... Last Page)
December 14th 16 09:09 PM
by [email protected] Go to last post
43 10,921
Grundig TK 46 by Dmitry Giltsov
Hello Mr. All, I sucessfully restored playback on my Grundig TK 46 all tube tape recorder from early 60-s. The right channel in recordings is distorted....
December 14th 16 07:55 PM
by Peter Wieck Go to last post
1 1,153
1 Attachment(s) otl amplifier 65W by [email protected]
Build OTL = transistor P: 65W Vin: 0.775V Rin: 400 kΩ BW: 30Hz - 17kHz 0,2% CMRR: 70 dB i don't know where to start. Help me please :(((
November 20th 16 10:34 PM
by Big Bad Bob Go to last post
6 1,690
old tube phonograph questions by [email protected]
On Saturday, October 15, 2016 at 12:17:14 PM UTC-4, wrote: > > My parents have one of units that was purchased in the 50's under the...
October 27th 16 01:52 AM
by Big Bad Bob Go to last post
5 1,750
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