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...

Hi all, I have a pair of VM220 200W monoblock amps here for a service, and a stereo amp, VT200, 200W per channel. Both sets of amps belonging to two...

Recently my amps trannies were melted when the 211 failed. With less than 150 hours on the tube but past the 30 day warrantee. I bought the tubes in Oct....

Hi, Vacuumlanders. Just a speculation but has anyone built a P-P audio ampliifier with the 6080 (6AS7) tube? (twin power triodes used as the series element in...

Okay, so I like to make up cutesy names :) I wanted to do 'something' with a 6ME8 so I tried using it for an AM transmitter and the first prototype works...

This one's for Patrick in Oz. Hi, Patrick, I've looked at your "standard" VLF stabilization coupling network for this amplifier class (0.05 parallel 1Mohm,...

It’s not often that genuine “high-end” audio equipment crosses my workbench, so I’m sharing my experience of the special occasion. I’m not going to wax poetic...

On Thursday, May 19, 2011 1:52:19 AM UTC+1, Patrick Turner wrote: > On May 18, 7:54*pm, mike s > wrote: > > I have a couple of output...

Hi RATs! http://v-cap.com/tefloncapacitors.html never mind the mumbo-jumbo deluxe chatter: These things sound better than her saying this is your lucky...

On Dec 8, 2:32*pm, Ben C > wrote: > On 2009-12-08, Qui si parla Campagnolo > wrote: > > > The earth > > IS getting...

Not to open a bag of worms or anything, but what (if any) are the advantages/disadvanteges of a CRC filter vs a CLC filter in a power supply? Asides from the...

With the survivalist market as well as the DIYers who would build a kit I have given thought to the idea of building a new tube shortwave receiver as a usable,...

I received this amp yesterday from Hong Kong. You can get it from ebay at around $500 ~ $600. It arrived safe. First relief. I tested it in my friends house...

I received this Music Man HD-130 amplifier with the complaint that it hums. The four output tubes are 5881WXT. The owner replaced the two main filter caps...

In an effort to be agreeable, I tried hard to give you negative feedback inside the tube as an explanation of the overwhelming superiority of triodes (or...

Hi all, I'm intending to retube my ampeg svt classic (reissue) with either sovtek 6550we's or the electro harmonix 6550's. They're both priced about the same,...

Its a little known fact that one may take advantage of the UL connection even when you don't like to. Most ppl think the UL connection for EL34 always means...

Hi RATs! OK, 6J6 driving 6BQ5 P-P. Using IXYS constant current source under the shared cathode of the 6J6 :) Merry Christmas and Happy New Ears! Al

Gentlemen, ECL86/6GW8 or PCL86/14GW8 pentode section triode strapped data now is available...

Help with this symbol and component, please. Peavey Classic 20 guitar amp... Schematic: http://www.blueguitar.org/new/schem/peavey/c20schem.gif PC Board...