Jim, Please be more specific about what type of transformers you are after. I thought you already HAD an output transformer that you wished to use. I have a...
Area31 Research Facil...
rwstephens@...
Aug 2, 2001 2:18 am
157
... Best suggestion, dollarwise, I can think of is "go back to eBay" and look for an amp or PA, complete, that has the tube array that you're looking for (eg,...
a175
a175@...
Aug 2, 2001 2:19 am
158
Rob, I don't think I am going to use this xformer for this project because of the mismatch but will look for other uses. I really need an output xformers that...
JThompso@...
Aug 5, 2001 7:10 pm
159
Does anyone really make any money building vacuum tube amps these days? Looking at some of these posts really brings back some memories. I was a broadcast...
jug48@...
Sep 9, 2001 3:39 pm
160
... I know of one retired electrical engineering professor who is selling vacuum tube preamp kits. He designs the preamps and puts the parts together in a kit...
optom@...
Sep 10, 2001 11:01 am
161
... Hi jug, I've only resumed "looking at" tube amps <from guitar amp side> in the last year or so...it was all put away twenty years earlier for a stint in...
a175@...
Sep 10, 2001 11:46 pm
162
... there ... any ... could ... selling ... making I ... a ... Good idea....never thought about just putting together kits....
jug48@...
Sep 10, 2001 11:46 pm
163
Hi, I am looking for the following 1930's German Valves (for a restoration project) RES164 - this is the 5 pin version (NOT the 4 ping with a side screw ...
tony@...
Sep 23, 2001 1:30 pm
164
Thank you for your input...I well remember tube testors in drug stores. For many years I worked in my own electronics repair buainess. We had a tube testor ...
Ronald Jurgs
jug48@...
Sep 23, 2001 1:31 pm
165
You may contact Heinz Posingis at hposingis@.... He lives in Germany. Kenneth (Hong Kong) ... screw...
Kenneth Chan
kennethlhc@...
Sep 26, 2001 2:13 am
166
I haven't thought about old Heath Kits in about a decade. Man, does that ever bring back old memories. I remember I bought one pre-built. God, it was so awful....
dustin_writes@...
Oct 4, 2001 12:21 am
167
... the ... Hi Jim... Simply apply a voltage to one side and measure the AC Voltage ratio between primary and secondary... The Voltage ratio is proportional to...
... A friend to me in Genève have do little money with guitar and hifi amplifier of it's own manufacturing. I have a prototype for a guitar amplifier that...
Hi Everyone! This new group is growing very fast. We now have 83 members! Would people like to introduce themselves so that we know a little about everyone?...
Hello everyone, well I see you've met my friend Harvey. My name's Rob. I collect interesting vacuum tubes/valves as curiosities. I dabble in acoustical...
Area31 Research Facil...
rwstephens@...
Jan 8, 2002 6:56 am
171
... Sure. I build VT audio power amplifiers and tube effect circuits for musicians. Also, i have started to dream about a VT modular synth - the only thing...
Well o.k. then, Hello group my name is Jim and I am an electronics technician in Detroit. I have a long history in consumer electronics service and solid state...
Jim, ... Cool. Could you tell me where i can find him ? ... I did not know that there is a Synth-DIY group on Yahoo. Are you sure you do not mean the SDIY...
Hey Mike, So you're Bushi.De, I didn't know it was you from the SDIY list. Your archeve of the list is awesome. I read that because I unsubscribed from the...
First off -- intro. I am an audio enthusiast who very much likes the sounds of tubes. I just burnt out a quad of NOS Jan/Philips 6BQ5's. ... I have several...
... Greetings all !! Been a ham since 1984. For the last year or so, have been getting interested in vintage tube radios, and also collect vacuum tubes of ...
hi, introducing myself with a few infos too. I am collecting old radios as well , like "siemens nach telefunken-patenten d-zug from" from my grandfather which...
jenxs@...
Jan 15, 2002 11:07 pm
178
Hi dear friends, I'm an electronic engineer working at Philips do Brasil (Glass parts for CRT factories), in IT dept. designing solutions for industrial...
luciano.peccerini@...
Jan 16, 2002 3:15 pm
179
Hello all, I am new here, I have been fascinated with tube sound for years now and have never done anything about it, I need advice on a good book for the...
Alex, Welcome to tube audio. I don't know about any books to recommend beyond any Radio Amateur's Handbook from the 40's through 1960's. They have plenty of ...
Area31 Research Facil...
rwstephens@...
Jan 26, 2002 9:27 pm
181
I'll have to echo Robs ADVICE about finding an older 'ARRL (<--Publisher) Radio Amateurs Handbook' from the 40's-60's, and you might take a trip to your local...
Bruce - KB6LWN
kb6lwn@...
Jan 26, 2002 11:23 pm
182
I guess your right, it is expensive. I have read too many good things about the 300b sound quality, and they are such a simple design, I was sure I could find...
Well thank you very much for your kind effort sir, I was talking about stereo amplification for music however... I guess I'm just not a hamster !! Alex...
The basic tube theory is still there, along with some diagrams and construction projects for Class-A and B Audio amps, which I would presume could be easily...
Bruce - KB6LWN
kb6lwn@...
Jan 28, 2002 3:22 am
185
Alex, an excellent and inexpensive way to get into tube amplifiers is to try some vintage Dynaco equipment. A Dynaco ST-70 amp gives 35 watts/channel in class...
