2A3 Stereo Amp

sgerus · 21st January 2011, 05:49 PM

Here's another for sale....

2A3 Stereo Amplifier with Tube Voltage Regulator! - eBay (item 320641866851 end time Feb-10-11 12:26:20 PST)

xecluded · 21st January 2011, 10:49 PM

What a masterpiece!!!

sgerus · 23rd January 2011, 06:17 PM

Thank You....

This is my frist project with curved front and sides.
I used 4 pcs of 3/16 plywood, bent and glued.
The top plate alone took about 20 hours make using just a drill and router.

jmillerdoc · 23rd January 2011, 07:27 PM

And I thought I did good work, wow! That os neat. I have never tried curved wood.....yet. You have inspired me.

sgerus · 24th January 2011, 03:00 PM

Now you guys have got me thinking of using this same "curved" look for the next amp.
I’m thinking of an aluminum top plate with Gloss black sides.
To be honest, Of the 2 amps I have for sale, I'm not sure which one I like the looks the best. I guess the monoblocks are more of a classic look, and this amp is more of a modern "art-deco" look.

bloozestringer · 25th January 2011, 02:53 AM

Gorgeous piece!!!! Wish I had the $$$. Do you have any pics of the rear and wiring I could see for reference when using a wood chassis?

sgerus · 25th January 2011, 12:41 PM

Here you go... 1 of 2

sgerus · 25th January 2011, 12:48 PM

hello bloozestringer

I'm not able to upload the pics of the underside... please send me a PM and I will email them directly to you

sgerus · 1st February 2011, 01:17 PM

2-1-2011 Update

Last night re-wired the input/driver (6J7G) as a CCS (6.2mA) loaded triode.

At 20KhZ, the frequency response is now -.2dB
(compaired to -2.9dB when wired as a pentode

I can also say that One-Electron makes some very good sounding OPT's

Also cut the price.....

bloozestringer · 1st February 2011, 06:05 PM

PM sent

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21st January 2011, 10:49 PM	#2
xecluded diyAudio Member Join Date: Jul 2008 Location: 10,000 lakes	What a masterpiece!!!

23rd January 2011, 06:17 PM	#3
sgerus diyAudio Member Join Date: Nov 2005 Location: Milwaukee, WI	Thank You.... This is my frist project with curved front and sides. I used 4 pcs of 3/16 plywood, bent and glued. The top plate alone took about 20 hours make using just a drill and router.

23rd January 2011, 07:27 PM	#4
jmillerdoc diyAudio Member Join Date: Mar 2009 Location: Lawton, OK, USA	And I thought I did good work, wow! That os neat. I have never tried curved wood.....yet. You have inspired me.

24th January 2011, 03:00 PM	#5
sgerus diyAudio Member Join Date: Nov 2005 Location: Milwaukee, WI	Now you guys have got me thinking of using this same "curved" look for the next amp. I’m thinking of an aluminum top plate with Gloss black sides. To be honest, Of the 2 amps I have for sale, I'm not sure which one I like the looks the best. I guess the monoblocks are more of a classic look, and this amp is more of a modern "art-deco" look.

25th January 2011, 02:53 AM	#6
bloozestringer diyAudio Member Join Date: May 2005	Gorgeous piece!!!! Wish I had the $$$. Do you have any pics of the rear and wiring I could see for reference when using a wood chassis?

25th January 2011, 12:48 PM	#8
sgerus diyAudio Member Join Date: Nov 2005 Location: Milwaukee, WI	hello bloozestringer I'm not able to upload the pics of the underside... please send me a PM and I will email them directly to you

1st February 2011, 01:17 PM	#9
sgerus diyAudio Member Join Date: Nov 2005 Location: Milwaukee, WI	2-1-2011 Update Last night re-wired the input/driver (6J7G) as a CCS (6.2mA) loaded triode. At 20KhZ, the frequency response is now -.2dB (compaired to -2.9dB when wired as a pentode I can also say that One-Electron makes some very good sounding OPT's Also cut the price.....

1st February 2011, 06:05 PM	#10
bloozestringer diyAudio Member Join Date: May 2005	PM sent

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