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Threads in Forum : Vacuum Tubes Forum Tools Search this Forum Feed Icon
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Ultralinear equations for µ, Ra, gain. by Patrick Turner
I recently cobbled together an integrated stereo amp with ultralinear class A PP output stages using 66% UL tappings. I had a nice pair of OPT and a PT from...
(Multi-page thread 1 2)
January 25th 09 02:19 PM
by Patrick Turner Go to last post
10 1,277
noise in my fisher 800. by alan green
i recently hooked up a Fisher 800 amp and am getting this sporadic wind like sound through the speakers. When it is wind free sounds great, but when this...
January 24th 09 02:42 AM
by Peter Wieck Go to last post
5 743
Krane delivers PDF by Andre Jute[_2_]
For members of the instant gratification society (Michael Press!), or those with slow connections, the Utopia Kranich files are available as a PDF of 4.2Mb....
January 22nd 09 12:55 PM
by Peter Wieck Go to last post
6 731
tell me if this is a good deal.. by Cipher
so theres this old tv repair guy who , one day in 1987, after working till 2am on a TV Set, getting frustrated, turned off the lights in the shop and never...
(Multi-page thread 1 2)
January 22nd 09 05:38 AM
by Cipher Go to last post
11 889
America: Better 50, even 100 years ago? by [email protected]
Was America a better place then? I think so. To be sure, a hundred years ago, any major city stank of ****, human and horse, there was no air conditioning,...
(Multi-page thread 1 2)
January 21st 09 03:06 AM
by [email protected] Go to last post
15 1,073
8SN7 experiences by [email protected]
This is pretty much off-topic, but I can't resist. When I was in the 4th grade in Concord, California, I'd been building crystal sets for a couple of years...
January 21st 09 03:03 AM
by [email protected] Go to last post
0 615
8SN7 experiences by tubegarden
Hi RAT's! It is a vacuum tube. I have a pair of RCA in a 6SN7 circuit. Sounds great, maybe a little slow on warm up ... Anybody else tried these...
(Multi-page thread 1 2)
January 20th 09 04:44 PM
by John Byrns Go to last post
17 1,723
speaking of idiot pygmies with mediocre credentials from expen$iveday care facilities ... by tubegarden
Hi RATs! Today, Jr. goes back to Texas to chase fierce trees with his magnum chainsaw. The long cartoon was too tragic ... On with the show! Happy Ears!
January 20th 09 04:32 PM
by tubegarden Go to last post
2 592
Low Frequency Mains Noise by Ian Bell[_2_]
On several preamp PSUs I have built in that last couple of years I have noticed the same thing. A very low frequency low level variation in the output...
(Multi-page thread 1 2 3 ... Last Page)
January 20th 09 03:14 AM
by Phil Allison Go to last post
183 5,822
Fingered tweets the little b*%8&^rds by bigwig
Hello, I know this is a bit off topic for RAT but hey. I dicovered a few days ago that one or both of my daughters had taken it into their little heads...
(Multi-page thread 1 2)
January 19th 09 03:57 AM
by bigwig Go to last post
15 1,831
6SN7 et al mu follower distortion by Ian Bell[_2_]
I have just about completed my distortion tests of 6SN7, 7N7 and 6CG7 mu followers using tubes kindly loaned or donated by group members (Thanks Peter and...
(Multi-page thread 1 2)
January 18th 09 01:53 PM
by Ian Iveson Go to last post
19 1,925
FA: 38 NOS 12AY7/6072/6072A Vacuum Tubes by GerryE123
Hi: For auction on eBay, 38 new-old-stock (in original boxes) 12AY7/6072/6072A vacuum tubes. For complete info and photos, please use this...
January 17th 09 02:42 PM
by GerryE123 Go to last post
0 878
FA: GEC B65 Tubes metal base, KT66 Nos by 33-45[_3_]
Rarely seen GEC B65 tubes http://search.ebay.com.au/_W0QQsassZ33-45
January 14th 09 07:21 AM
by 33-45[_3_] Go to last post
0 1,168
Looking for a matched pair of 12At7s or a matched pair of a substitute tube.. by Cipher
using a little Jolida 102b while my Mastersound is down, want a matched pair of 12AT7s or any suitable substitute pair.. same manufacturer and type,...
January 13th 09 10:21 AM
by [email protected] Go to last post
4 954
What is the least value for kathode / heater isolation? by jaap[_3_]
AVO tube testers test K/H isolation in Mohms. Most new IDH tubes read over 25 Mohms while some heavily abused tubes read 5 Mohms or even lower. Is there need...
January 13th 09 10:18 AM
by [email protected] Go to last post
3 655
Thornston Audio Transformers, need help by Cipher
do they have a website or archive somewhere?? does anyone have info??
January 12th 09 04:50 AM
by flipper Go to last post
2 728
12 vdc tubes by RealInfo
Hi all I am looking for old tubes operating on very low voltage , battery voltage . I need them for portabe batery oerated tube preamps . Any sugestions...
(Multi-page thread 1 2)
January 11th 09 05:53 PM
by Lee Arnold Go to last post
13 1,189
Kuulostaako jotenkin tutulta? by Kristian Söderlund
S.K.22.05.2008."Pölyttäjien täyskato uhkaa viedä kesän marjat. Omenapuut ja herukat kukkivat monin paikoin jo täysillä, mutta puutarhoissa on...
January 10th 09 08:49 PM
by Kristian Söderlund Go to last post
0 1,050
HP NC 4200 12" (1,73ghz centrino, 1,5gt ram) by Kyösti Herrmann
Alan arvostuksesta kertoo varsin suoraan se miten alan ammattityöväestö suhtautuu tekemiseensä. Siitä voidaan ottaa esimerkkejä laajasti. Ammattilaiset...
January 9th 09 06:28 PM
by Kyösti Herrmann Go to last post
0 1,157
imposter warning by ZACK`
he uses your own name against you hes been traced here file:///C:/Program%20Files/Visual%20IP%20Trace/reports/report-20090102-1456-news.tornevall.html
(Multi-page thread 1 2)
January 7th 09 03:13 PM
by GregS[_3_] Go to last post
11 935
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