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Tubes / Valves All about our sweet vacuum tubes :) Threads about Musical Instrument Amps of all kinds should be in the Instruments & Amps forum

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Old 23rd April 2013, 08:52 AM   #5021
dady is offline dady  Balearic Islands
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Monsieur, The amp looks great, but with this position of the output tubes is impossible to know how is the true. If you take some pictures from the base of the connection of the socket of the output tubes is possible to know witch tube uses, The L34 has a different connection for G3 to pin one (1) the KT88 is internally connected to cathode of it. If you see that the above mentioned pin is externally tied to the pin eight (8) is probably that uses EL34, If not KT88 or anybody tube that is equal to the tetrodes ones. The T88 is more powerful than the other. The taste is a different animal for determinate and is a subjective matter. Once you determinate the real tube I suggest in get two matched quartet. And You have to determinate the bias voltages.
We are at your order and cooperation. Best Regards
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Old 24th April 2013, 12:14 AM   #5022
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My everyday HiFi Amp, 6V6G + 6SL7 Baby Huey.

Enclosure is from Mabelaudio, Hammond 1608 Output Trannies.

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Old 24th April 2013, 12:24 AM   #5023
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My everyday HiFi Amp, 6V6G + 6SL7 Baby Huey.

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Old 24th April 2013, 01:22 AM   #5024
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My living room amp changes from time to time, but the one that's been in place for the past few months is "Miz Piggy", the second vacuum tube amp I ever built, and still a pretty satisfying performer. This is an SE design using screen driven (w/source follower) 6CD6GA with 6JC6A pentodes doing the front end duty. Output iron is Hammond 125ESE. It's ugly, but quite functional. Right now, the amp is sporting CBS/Hytron 6CD6Gs in the stylish ST bottle rather than the straight-sided GE 6CD6GAs shown in the picture.
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Old 24th April 2013, 12:11 PM   #5025
roline is offline roline  United States
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PP sweep tube amp 30w/channel. Main speakers are the tall ones. I replaced the Focal 5.25" with an Audax carbon fiber cone a couple years ago. So it is basically a speaker sitting on top of a subwoofer. The shorter transmission line speakers were stocking stuffers last Christmas for our son to go along with his tube based stereo system.
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Old 24th April 2013, 06:21 PM   #5026
rkoonce is offline rkoonce  United States
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Nice work! I recently built two of these amps, one for me and one for a friend. Here's a link: Engineer's Amp

It's fun to see the different interpretations of these amps.
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Old 24th April 2013, 06:33 PM   #5027
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Originally Posted by ovpopov65 View Post
Sorry, did not understand ... : O
Yes - it is a hammer enamel painting.
Thanks. There's a lot of equipment here from the Soviet era, and most of them have a painting that is called "anodized", that's why I asked. I was interested in the process of anodization used in Soviet equipment cabinets.

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Nice work! I recently built two of these amps, one for me and one for a friend. Here's a link: Engineer's Amp
It's fun to see the different interpretations of these amps.
Nice job. Congratulations!!!!

Last edited by Miguel Lopez; 24th April 2013 at 06:38 PM.
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Old 24th April 2013, 06:57 PM   #5028
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Nice work! I recently built two of these amps, one for me and one for a friend. Here's a link: Engineer's Amp

It's fun to see the different interpretations of these amps.
Yours is what I strive for. Wonderful.
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Old 25th April 2013, 02:34 AM   #5029
cnpope is offline cnpope  United States
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My "downstairs" amp (OTL, 6082 output tubes) and "upstairs" amp (OTL, 6C33C output tubes).

Chris
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Old 25th April 2013, 05:31 AM   #5030
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Don't have a commercial amp, and haven't had one for years now. I use what I design and build.
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