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Old 7th January 2013, 02:23 PM   #4591
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Originally Posted by 6L6 View Post
+1
That's a very good idea to fine tune the looks!
Thanks guys.
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Old 7th January 2013, 02:35 PM   #4592
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Very nice vermeero! What are the output transformers?
Thank you. The output transformers are the AT-12 from HB amp design in Germany.
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Old 8th January 2013, 12:27 AM   #4593
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Originally Posted by scott17 View Post
The overall look did not really turn out like I expected, but it sounds fine.

6BG6-GA single ended, UL & triode, 6SN7 driver/LED bias, dual rectifiers.

Scott
Great detail work! I like the aluminum tube skirts with vents and the guards around the power switch.
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Old 8th January 2013, 02:58 PM   #4594
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Default st35

hand build st35

Handmade Dynaco St 35 Vacuum Tube Amplifier | eBay
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Old 10th January 2013, 01:00 AM   #4595
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Originally Posted by N4BBQ View Post
Yes, beautiful. Did you also build the speakers?
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Originally Posted by Reegal View Post
Thank you Gregg,
I love tubes and wood and I always try to do my best to match them with my ideas.
Next will be an amplifier with 205 tubes.
All the best
Guido
as in two-hundrid-and five?
holy batts cowman!
may i ask the general idea? like what tubes etc?
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Old 10th January 2013, 11:48 AM   #4596
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That's "205 tubes" as in type "205-D", I guess

See here:
http://www.radiomuseum.org/tubes/tube_205d.html
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Old 10th January 2013, 02:19 PM   #4597
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Default 205D

Funny: a 205D amp is my next project, too. To be precise, it will be a Western Electric WE42-A clone. I started it in this German forum: Roehren-und-Hoeren - 205D Push-Pull Monos (passend zur Oktal-Vorstufe Mk2), but if someone here wants to share ideas or experience, i'll be happy with that

Cheers,
Peter
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Old 10th January 2013, 05:24 PM   #4598
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Originally Posted by dady View Post
Ok don Osvaldo le mando un gran abrazo y seguimos intercambiando figuritas de dispositivos hechos con válvulas.
Popilin is a good crazy boy, but actually is out of the net. His telephone connection is lost. We chat in some free time.

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.
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Last edited by Osvaldo de Banfield; 10th January 2013 at 05:30 PM.
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Old 10th January 2013, 05:29 PM   #4599
12B4A is offline 12B4A  United States
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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.
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Old 10th January 2013, 06:53 PM   #4600
kees52 is offline kees52  Netherlands
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Quote:
Originally Posted by Osvaldo de Banfield View Post
Popilin is a good crazy boy, but actually is out of the net. His telephone connection is lost. We chat in some free time.

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.
Looks like this, only this is a dual mustage hybrid amp with mosfets as current delivery boys I have no cathode follower, this do only the fets, transconductance of them is a lot higher and so no thin sound anymore, but warm, non connected resistor on the left is for feedback yes or no, pcb is just a quick made one for test, parts is what i did have. Sound is very good, expecial bas has high resolution, picture of the scope is block 20 Khz 8 ohm load.

Tubes are one penthode 6N51P and one 2.5 mu current tube 6C19P .
Sound here on youtube, but do not expect perfection there, some distortion because of mobile phone mic..

real diy testing, real fun. - YouTube
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Last edited by kees52; 10th January 2013 at 07:00 PM.
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