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Old 7th February 2019, 10:38 AM   #291
Soundhappy is offline Soundhappy  France
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update Part 1 A 2007-08
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Old 7th February 2019, 10:44 AM   #292
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update Part 1 B Enjoy
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Old 7th February 2019, 10:52 AM   #293
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update Part 2 A 2003-04
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Old 7th February 2019, 11:00 AM   #294
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update Part 2 B Thanks to Distant Past Old Radio Boy in Japan
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Old 21st February 2019, 03:45 PM   #295
Soundhappy is offline Soundhappy  France
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Nice update DIY articles 2019-2020
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Old 22nd February 2019, 11:19 AM   #296
dady is offline dady  Europe
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Quote:
Originally Posted by Soundhappy View Post
Photo of VT-25 DIY finish amplifier is superb quality work
r-tec1710_(03)VT25-single-stereo-power-amp(3)_AkiI.pdf - Google Drive
Can you translate this article?
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Old 22nd February 2019, 11:29 AM   #297
Kay Pirinha is offline Kay Pirinha  Germany
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update Part 2 B Thanks to Distant Past Old Radio Boy in Japan
Have a look at the first two pics. The 6C33S's are fed directly (without insulation) from the mains !
Best regards!
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Old 22nd February 2019, 11:47 AM   #298
analog_sa is online now analog_sa  Europe
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The 6C33S's are fed directly (without insulation) from the mains !
What's the big deal with that? If, for some reason, there is an internal short between heater and cathode you will definitely know it
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Old 22nd February 2019, 12:11 PM   #299
Soundhappy is offline Soundhappy  France
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Can you translate this article?
Best Regards
@ Dady amigo

You have possibility translate text from image or file with this specialized software :

Yandex Translator

Have a great time
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Old 23rd February 2019, 10:17 AM   #300
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DIY articles update 2019-2020
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