I keep a Dynaco system in my office consisting of a PAS 3x, FM 3 and an ST 35, and includes a Sony 5-disk CD changer. As it happens the 35 is a first-issue...

Hello all, Just picked up a TV-7/U tester today. I've used these before many times, and I've owned a few testers over the years, but never a TV-7 until...

On 2019-07-17 08:08, Peter Wieck wrote: > https://www.ebay.com/p/Crescent-USA-Made-Old-Stock-4-1-2-Needle-Nose-Tip-Cutting-Wiring-Pliers/28027599507 > > Not a...

Does anyone here have any experience with using 171a in a linestage. Thinking of using constant current.

Thoughts?

http://www.dvhrc.com/pdfs/Oscillator%20Summer%202019.pdf I am on Page 7. That is a vintage Kutztown Klinic picture, but I will be in Bethlehem for this...

On Monday, September 28, 2015 at 7:03:30 PM UTC-4, Big Bad Bob wrote: > FYI - plug for this particular book. It discusses some rather > interesting design...

Ran across an amp that has a 5 mf cap connecting the cathodes in a PP output amplifier. Looking through RDH for info on this arrangement I can find...

As an aside, I toured the Veolia Steam Plant in Philadelphia, yesterday. This plant has been in continuous operation since it opened in 1909, and is quite a...

Now that Spring is about to Spring in 2.2 days, and given that other-than-cats subjects are fair game; Please look at the information below. Please note that...

On Tuesday, November 16, 1999 at 3:00:00 AM UTC-5, Kelly Scott Molles wrote: > New Old Stock Tubes: > Qty Tube ...

On Thursday, May 1, 2003 at 7:44:54 AM UTC-4, GerryE123 wrote: > Hi: > > I have the following audio tubes for sale (see list below). Where possible, I >...

On Thursday, September 20, 2001 at 9:50:26 AM UTC-4, Jim McShane wrote: > Some new arrivals you might like over on my site: > > NOS VT-231 Sylvania > Almost...

What company made the best vintage Test Equipment? My personal opinion is Eico. Some Heathkit was not bad too. Another favorite, is Paco, but that is only...

The most important tubes ever made..... 12AX7 12AU7 12AT7 6V6 6L6 807

As per subject. Please email if you have one available. soundtech AT teksavvy DOT com Thanks!

I have a new power transformer, which says "for Eico Stereo". But that is all I know. It's just a hand written label, stuck on the bottom. The case has these...

I found a schematic of a stereo amplifier containing TWELVE 6L6 audio output tubes. But aside from sharing the power supply, it's two mono-blocks with each...

Hello all I have one available looks to be in good shape please contact me by text if you have interest 626 4847992 Reed thanks

Back in the 60s and 70s I worked on old electronics all the time. Life took me in other directions, and the solid state gear was a big "turn off" for me. Not...