On Tuesday, October 19, 1999 at 12:00:00 AM UTC-7, wrote: > (MYanchick) wrote: > > > > Yes it is a relative thing,...

There seems to be a general LACK of non-N.O.S. and non-ripped-out-of-gear RF coils for LF and HF band, ESPECIALLY the coil forms needed to wind your own,...

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...

https://www.unicornelex.com/Non_Polarized_Chassis_Mount_AC_Power_Receptacle_p/36-3800.htm Ladies and gentleman, boys and girls, and children of all...

https://www.sciencemag.org/news/2012/05/return-vacuum-tube <quote> The new device is a cross between today's transistors and the vacuum tubes of yesteryear....

https://www.youtube.com/watch?v=nGmOiccZFJM

The question is simple: When it comes to schematics e.g. I see V1A and V1B How do I know which triode this refers to is V1A Pins 123 and V1B 678. Most data...

Western Electric is still making tubes, in the US. https://www.westernelectric.com/ Peter Wieck Melrose Park, PA

Peter Wieck suggested some videos, and I found others, that might he helpful to anyone who might want to make tubes. These two go over the needed equipment...

On 2020-05-04 15:43, Peter Wieck wrote: > This has probably been asked-and-answered before, but: > > I am looking for multi-section "empties" - that would be...

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...

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...

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

I have a DIY amp built to Marshall 2204 circuit specs that is about 15 years old now. I use it at my gigs. I want to experiment a bit. A couple ideas I have...

Hi folks, What is the reason the Fisher 30-A uses (very) different valued grid resistors for the power tubes? - R9 = 2K2 for V2 - R4 = 33K for...

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?