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Threads in Forum : Vacuum Tubes Forum Tools Search this Forum Feed Icon
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1 Attachment(s) How many tubes do I need? by sam_m[email protected]
I want to build a computer entirely out of tubes, and be able to download and store the entire internet on it. How many tubes do I need?
(Multi-page thread 1 2)
September 24th 14 10:29 PM
by Peter Wieck Go to last post
11 3,162
Life in the Last Lane by Alan Marcy
Hi RAT's, I am returning to some semblance of life, after my little touch of jet lag after my first/last international bidness trip to Buenos Aires, Argentina...
September 11th 14 10:17 AM
by Patrick Turner Go to last post
3 1,628
Empire Turntables by [email protected]
Awesome info, thank you! Never knew about the B52 connection. Please post photos and tutorials on your experience with the offboard mount for your pabst!
August 16th 14 01:37 AM
by [email protected] Go to last post
0 1,952
Triodelington by Patrick Turner
On Saturday, 9 August 2014 18:32:16 UTC+10, G.Re wrote: > Triodelington; a composite name the author made up for a triode-darlington.
August 15th 14 11:47 AM
by Patrick Turner Go to last post
0 1,925
1 Attachment(s) Ping: John Byrnes by John Stewart
Anything to report on your 'potato amp' project yet? Cheers, John Stewart
August 1st 14 02:01 AM
by John L Stewart Go to last post
7 2,209
Quad-II mods - again, oh no.... by Patrick Turner
A short note to all:- I was not completely happy with my old page on re-forming Quad-II amps for improved performance. So I have now re-edited all schematics...
(Multi-page thread 1 2)
July 24th 14 01:55 AM
by Patrick Turner Go to last post
13 3,488
What would make a Quad II oscillate? by [email protected]
Hi all, I posted before while I was fixing up a couple of Quad II amps. After working fine for a number of weeks, one of them just started oscillating like...
July 24th 14 01:16 AM
by Patrick Turner Go to last post
6 1,659
Baxandall tone control, still good? by [email protected]
Hi! What is the opinion nowadays on using the original tone control by Baxandall, as published Wireless World 1952? Is it still worth incorporating in a diy...
July 23rd 14 02:26 PM
by [email protected] Go to last post
6 2,140
Quad II question: High B+ a problem? by [email protected]
Hello all, long time lurker/sporadic poster here with a question concerning my current project. I recently rebuilt a couple of Quad II's from what was pretty...
(Multi-page thread 1 2)
July 19th 14 03:10 PM
by [email protected] Go to last post
17 2,395
10 Attachment(s) Sequel to Low Cost SET Amp for Newbies by John L Stewart
At 130 views & counting it seems like we need a follow on. So here it is with more power. This was originally published in the Glass Audio Projects Book, April...
(Multi-page thread 1 2)
July 17th 14 07:40 AM
by maxhifi Go to last post
10 4,804
1 Attachment(s) One for Pat ..... by Phil Allison[_3_]
** Hi all tube fans, please enjoy this U-tube made by a most famous British audio guru. Contains all you ever wanted to know about Quad's famous tube based...
July 13th 14 10:46 PM
by [email protected] Go to last post
8 2,061
NOS 6LW6s by [email protected]
Hi, I'd like to buy 6LW6 Vacuum tube 20~30 ea. Please make a purchase.
June 24th 14 02:02 AM
by [email protected] Go to last post
0 1,208
Dynaco MkIV monobloc re-engineering by Patrick Turner
I have very nearly finished re-engineering a pair of Dynaco MkIV monos. I've replaced PT for 240V mains, and used completely new schematic with 2 x 6CG7 and 2...
(Multi-page thread 1 2)
June 7th 14 08:14 AM
by Patrick Turner Go to last post
10 2,616
Re-edited page on Quad-II mods. by Patrick Turner
Hi all, I've just re-edited my page about reforming Quad-II amps. Much information about Quad-II OPTs, and 2 better drawn graphs for THD Vs...
June 7th 14 07:54 AM
by Patrick Turner Go to last post
0 1,050
WANTED: Jensen G610 by [email protected]
Il giorno lunedì 5 gennaio 1998 09:00:00 UTC+1, Tom Ronan ha scritto: > Looking for Jensen G610 speakers, a single or a pair. > > I'm willing to trade, or pay...
June 2nd 14 09:52 AM
by [email protected] Go to last post
0 1,114
Quad-II amp info and re-building by Patrick Turner
There is no doubt some ppl would never ever change one single thing in original Quad-II amplifiers. For those who loathe me saying old Quad-II have faults...
June 1st 14 03:43 PM
by Patrick Turner Go to last post
2 1,437
1 Attachment(s) The Twin Coupled Amp, Crowhursts Unity Coupled Circuit by John L Stewart
For the curious & others here is how Crowhurst's solution to the Unity Coupled circuit works. Crowhurst’s solution is unique. His starting point was the...
May 30th 14 11:44 AM
by John L Stewart Go to last post
0 1,347
2 Attachment(s) McIntosh using 8005 triodes as output by John L Stewart
Here is another alternative to the output section of the unity coupled cct. This one used a pair of 8005 triodes. Covered by Norman Crowhurst in an article...
May 27th 14 02:16 AM
by John L Stewart Go to last post
2 1,153
3 Attachment(s) Questions for Pat Turner by [email protected]
Dear Pat, I read your article about Quad ESL and tube amplifier online. I've discussion recently with my friends about stacking Quad ESL 57 and some even...
(Multi-page thread 1 2 3 ... Last Page)
May 24th 14 11:28 AM
by Patrick Turner Go to last post
53 5,599
Old (1933) paper on measuring tube parameters by The Phantom
I recently ran across a 1933 paper by W. N. Tuttle, of the General Radio company titled "Dynamic Measurement of Electron Tube Coefficients". It's a 14 page,...
(Multi-page thread 1 2)
May 11th 14 05:57 AM
by Patrick Turner Go to last post
12 2,161
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