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Old 17th November 2013, 01:23 PM   #41
zman01 is offline zman01  Bangladesh
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That's wicked, djn!
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Old 17th November 2013, 02:32 PM   #42
djn is offline djn  United States
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Thanks Z. It will be my computer amp when I finish it.
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Old 17th November 2013, 02:44 PM   #43
M Gregg is offline M Gregg  United Kingdom
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My RH84 pentode,

I think it is compact its the smallest amp I have, this was the final tidy up. Its been running now for a few months. (Its just for interest).

Regards
M. Gregg
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Old 17th November 2013, 03:20 PM   #44
el156 is offline el156  Portugal
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This is my flying saucer, EL84 push pull , wich i have in use everyday
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Old 17th November 2013, 06:19 PM   #45
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Quote:
Originally Posted by multibiker View Post
A lot of really nice-looking hardware!

Here's one of my 300B monoblocks. All vacuum tube with no solid state components.

Click the image to open in full size.
A nice "classic/classy/compact" look, multibiker : is it a kit or you have designed and built (or have it built) the sheetmetal work ?

It reminds me one of my 1st experiment with the 300B : 12AX7 + 5992 (kind of 6V6GTA) + 300B.

A+!
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Old 17th November 2013, 06:51 PM   #46
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Quote:
Originally Posted by nomanland View Post
My 6aq5, my first completed amp.Click the image to open in full size.
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Nomanland,

This is a very compact SE circuit, indeed... And a good start !

You do not notice magnetic induction between the cores of your power transformer and output transformers ?

A+!
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Old 17th November 2013, 07:32 PM   #47
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My most compact so far. QQE03/12 push pull, 2 x 10 W.

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Old 17th November 2013, 08:17 PM   #48
nikon f is offline nikon f  United States
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Here is mine, a pair of Fred Nechbaur's 13em7 Minibloc amps built on a 6x10" Hammod chassis box. I built these as a fun system, I also built a pair of Fostex FE103En bass reflex speakers and for the source I am using an unmodified Playstation 1 as a CD player. It sounds quite nice for a modest amount of money.


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Old 17th November 2013, 08:18 PM   #49
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Quote:
Originally Posted by tubelectron View Post
Nomanland,

This is a very compact SE circuit, indeed... And a good start !

You do not notice magnetic induction between the cores of your power transformer and output transformers ?

A+!
cheers mate, there is a slight hum but only when you have your ear right up to the speakers.
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Old 17th November 2013, 08:36 PM   #50
tomchr is online now tomchr  United States
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For a stereo 300B, I'd consider my Damn Good 300B to be rather compact.

28x38x8 cm, 17.3 kg. Classic-Tone power transformer, Electra-Print output transformers. Shown below with 6N6P driver tube, though, I'm currently using JJ E88CC drivers.

Click the image to open in full size.

~Tom
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