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Thanksgiving gave Steve and I time to spend another great day together at the bench [message #3962]

Sun, 26 November 2006 11:10

Bill Epstein
Messages: 1088
Registered: May 2009
Location: Smoky Mts. USA

Illuminati (2nd Degree)

I brought the new base for the 45 amp and my tools to Steves. While I transferred the 45 from the temp base to the new one he wired his version of the same circuit. There was actual conversation while we worked, so rare in this mostly solitary hobby!

Steve used damper diodes and a few other twists on his as well as a very spiffy contemporary-looking base.

Of course it also features a neat layout

He's on a road trip today but I imagine he'll have some comments on the design.

Mine is playing beautifully right now and I'm thrilled with the outcome Steve helped me to acheive

These are some of the quietest tube amps you'll ever hear and we're looking forward to comparing them to Colin's Yamamoto in a few weeks.

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Re: Thanksgiving gave Steve and I time to spend another great day together at the bench [message #3963 is a reply to message #3962]

Sun, 26 November 2006 12:04

Wayne Parham
Messages: 18787
Registered: January 2001

Illuminati (33rd Degree)

Wow! Both look great! Love Steve's base and yours too! Your top plate is the one you had powder coated recently, right?

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Re: Thanksgiving gave Steve and I time to spend another great day together at the bench [message #3964 is a reply to message #3962]

Sun, 26 November 2006 21:18

MWG
Messages: 344
Registered: May 2009

Grand Master

Those are two stunning amps Bill. I'd sure love to hear something like that someday. They are something to be really proud of. I hope you get years of enjoyment from it.

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Re: Thanksgiving gave Steve and I time to spend another great day together at the bench [message #3967 is a reply to message #3962]

Thu, 30 November 2006 09:28

Matts
Messages: 359
Registered: May 2009

Grand Master

Both look very nice! Bet they sound great. Are you using 3 psu chokes cause of splitting into a dual mono configuration?

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Re: Thanksgiving gave Steve and I time to spend another great day together at the bench [message #3970 is a reply to message #3967]

Thu, 30 November 2006 19:01

SteveBrown
Messages: 330
Registered: May 2009

Grand Master

There are only two PS chokes, one for each channel. The other item you see is a filiment transformer. And yes, dual mono power supplies.

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Re: Thanksgiving gave Steve and I time to spend another great day together at the bench [message #3972 is a reply to message #3970]

Fri, 01 December 2006 09:23

Matts_
Messages: 17
Registered: May 2009

Chancellor

cool- thx. Both are excellent looking work- I have iron to make these amps and haven't got around to it....real work keeps interfering.

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Nicely done. [message #3977 is a reply to message #3962]

Thu, 07 December 2006 09:42

Poindexter
Messages: 108
Registered: May 2009

Viscount

Where did you get the tube socket mounting rings? Are those from Chung?

Aloha,

Poinz

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Re: The tube mounts are from Forstner [message #3978 is a reply to message #3977]

Fri, 08 December 2006 16:31

Bill Epstein
Messages: 1088
Registered: May 2009
Location: Smoky Mts. USA

Illuminati (2nd Degree)

Steve's pretty good with a drill press, don't you think?

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Re: CCS's? [message #3985 is a reply to message #3962]

Wed, 13 December 2006 15:48

Matts
Messages: 359
Registered: May 2009

Grand Master

which current sources did you guys use on the drivers?

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Re: CCS's? [message #3988 is a reply to message #3985]

Fri, 15 December 2006 07:27

SteveBrown
Messages: 330
Registered: May 2009

Grand Master

Used a simple one stage MOSFET on Bills, but on mine I used a couple of Gary Pimm's super-duper Rev 5 self-biased ones. I've got a couple more of those nearly complete to put into Bill's amp. These help ramp up the voltage a bit more slowly which is nice, especially since Bill used SS rectification on his amp.

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