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Old 10th January 2013, 08:22 PM   #4601
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Quote:
Originally Posted by bayermar View Post
That's "205 tubes" as in type "205-D", I guess

See here:
205D, Tube 205D; Röhre 205D ID19733, Triode, vacuum
i see. shows my level of tube knowlage! cool
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Old 10th January 2013, 11:28 PM   #4602
12E1 is offline 12E1  United Kingdom
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Quote:
Originally Posted by Osvaldo de Banfield View Post
Actually I'm designing a VERY strange apparatus with tubes , and it is working, although I may fine tune it. When finished, perhaps I post it here.

Here is two samples of it. Imagine.
Class-D ...? (just a thought looking at those interesting inductors that you have)
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Old 11th January 2013, 05:35 AM   #4603
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Originally Posted by 12B4A View Post
The TJ/Fullmusic-205D tubes I had bought 8 or 9 years ago bias up quite a bit differently than what the plate curves in that link portray. They seem to match the curves published for the 10 more so than they do for the WE 205D.
I intend to use the 205D replica from Sophia Electric, hoping that they are closer to the originals. Has anyone tried them for rectification?
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Old 12th January 2013, 10:56 AM   #4604
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Default Goes by the name of Jackal

This is my new Tube preamplifier .
3 tubes ( two PCF200 and one EF183 ) on each channel , -3dB at 400KHz , gain 19.4dB .
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Old 12th January 2013, 11:31 AM   #4605
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My preamp and poweramp with separate powersupply.

Preamp: 2x 6CG7 and EZ80
Poweramp: 2x 6N6P and 4x 12E1
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Old 12th January 2013, 07:49 PM   #4606
12B4A is offline 12B4A  United States
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Quote:
Originally Posted by sevenup2278 View Post
My preamp and poweramp with separate powersupply.

Preamp: 2x 6CG7 and EZ80
Poweramp: 2x 6N6P and 4x 12E1
That is fantastic work! Very clean wiring layout.
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Old 12th January 2013, 07:53 PM   #4607
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Originally Posted by 12B4A View Post
That is fantastic work! Very clean wiring layout.
I'm pretty proud of the wiring Took around 10 amplifiers as practice but it is getting better every time.
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Old 12th January 2013, 09:28 PM   #4608
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Quote:
Originally Posted by sevenup2278 View Post
I'm pretty proud of the wiring Took around 10 amplifiers as practice but it is getting better every time.
Must whole heartily agree on the wiring . By the way what power supply connector did you use?
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Old 12th January 2013, 10:07 PM   #4609
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Sevenup2278: excellent work, neat as.
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Old 13th January 2013, 08:13 AM   #4610
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Originally Posted by Triodethom View Post
Must whole heartily agree on the wiring . By the way what power supply connector did you use?
Connector is an old military multipin connector, used for tube equipment in the old days
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