Boxing Day Special

JesseG · 27th December 2007, 05:03 AM

Hi All:

Merry Ho-Ho and all that

I finally got back into my shop after a month of home renos and other obnoxious chores

So, I decided to finish up a project that has been sitting gathering dust for several months - a rebuild of my 1957 Electrohome 6BQ5 P-P 'slave amp'. This started life as the power stage in a console hi-fi. It got me re-started in audio after a 15-year absence, and I am sorta' fond of it.

The rebuild consisted of new caps, tube sockets, input jacks and output terminals (replaced phenolic screw strips with fancy new binding posts). Added an on/off switch and indicator lite and then painted it with NOS 'spackle' paint. A pretty surround from rock maple (thanks, Jerry) and it has become what you see.

Nothing serious here, guys - just a bit of eye candy

BTW - it does sound quite good - no all thyat far behind by 300B SET.

JesseG · 27th December 2007, 05:06 AM

Next photo...

JesseG · 27th December 2007, 05:07 AM

Side View (???)

JesseG · 27th December 2007, 05:08 AM

Last one

Wavebourn · 27th December 2007, 06:44 AM

That paint is not thermo conductive, unfortunately...

JesseG · 27th December 2007, 05:47 PM

Quote:

That paint is not thermo conductive, unfortunately...

Youré right, but the trafos in this amp do not get hot - neither do the caps - so it's not a problem. In the pix it has been runniong for 8 hours straight and no discoloration, so no heat issues.
The paint is, however, quite good for mechanical damping.

Another problem is that it is soft, and will scrape off easily, so the unit must be handled with care.

HollowState · 27th December 2007, 08:09 PM

Jesse, this is the first time I've said this to a member, but I don't like it. It just looks wrong to me. I guess I'm too traditional. I'd rather have seen the transformers removed and painted. The capacitors buffed and polished and the chassis painted separately, but not with that speckled stuff. Sorry, I'm not trying to be mean.

kuroguy · 27th December 2007, 08:12 PM

Quote:

Originally posted by HollowState
Jesse, this is the first time I've said this to a member, but I don't like it. It just looks wrong to me. I guess I'm too traditional. I'd rather have seen the transformers removed and painted. The capacitors buffed and polished and the chassis painted separately, but not with that speckled stuff. Sorry, I'm not trying to be mean.

I have to agree. That wood looks great, but it looks like someone vomited on your amp.

No offense. DIY is all about experimenting. Sometimes you you're the bird. Sometimes you're the worm.

kevinkr · 27th December 2007, 08:24 PM

Quote:

Originally posted by HollowState
Jesse, this is the first time I've said this to a member, but I don't like it. It just looks wrong to me. I guess I'm too traditional. I'd rather have seen the transformers removed and painted. The capacitors buffed and polished and the chassis painted separately, but not with that speckled stuff. Sorry, I'm not trying to be mean.

Quote:

Originally posted by kuroguy

I have to agree. That wood looks great, but it looks like someone vomited on your amp.

No offense. DIY is all about experimenting. Sometimes you you're the bird. Sometimes you're the worm.

I think that's kinda mean actually..

My only concern would be that it will not adhere long term to the transformers and caps, and it does seem rather fragile. The main thing is how it sounds, and it does look interesting.

pikkujöpö · 27th December 2007, 08:46 PM

Certainly different,extra point for that.
It's your amp and you probably have reasons why it isn't gold plated.

To keep the paint in condition,put few coats of spray lacquer over it.

27th December 2007, 05:03 AM	#1
JesseG diyAudio Member Join Date: Jul 2005 Location: Mid coast of British Columbia	Boxing Day Special Hi All: Merry Ho-Ho and all that I finally got back into my shop after a month of home renos and other obnoxious chores So, I decided to finish up a project that has been sitting gathering dust for several months - a rebuild of my 1957 Electrohome 6BQ5 P-P 'slave amp'. This started life as the power stage in a console hi-fi. It got me re-started in audio after a 15-year absence, and I am sorta' fond of it. The rebuild consisted of new caps, tube sockets, input jacks and output terminals (replaced phenolic screw strips with fancy new binding posts). Added an on/off switch and indicator lite and then painted it with NOS 'spackle' paint. A pretty surround from rock maple (thanks, Jerry) and it has become what you see. Nothing serious here, guys - just a bit of eye candy BTW - it does sound quite good - no all thyat far behind by 300B SET. __________________ "If we crashed our cars as often as we crashed our computers, we'd all be dead!"

27th December 2007, 05:06 AM	#2
JesseG diyAudio Member Join Date: Jul 2005 Location: Mid coast of British Columbia	Next... Next photo... __________________ "If we crashed our cars as often as we crashed our computers, we'd all be dead!"

27th December 2007, 05:07 AM	#3
JesseG diyAudio Member Join Date: Jul 2005 Location: Mid coast of British Columbia	Another one... Side View (???) __________________ "If we crashed our cars as often as we crashed our computers, we'd all be dead!"

27th December 2007, 05:08 AM	#4
JesseG diyAudio Member Join Date: Jul 2005 Location: Mid coast of British Columbia	And the last one Last one __________________ "If we crashed our cars as often as we crashed our computers, we'd all be dead!"

27th December 2007, 06:44 AM	#5
Wavebourn diyAudio Member Join Date: Sep 2006 Location: Pleasant Hill, CA	That paint is not thermo conductive, unfortunately... __________________ The devil is not so terrible as his mathematical model! Wavebourn: We Create Creativity!

27th December 2007, 08:09 PM	#7
HollowState diyAudio Member Join Date: Aug 2006 Location: Taxland, New Jersey	Jesse, this is the first time I've said this to a member, but I don't like it. It just looks wrong to me. I guess I'm too traditional. I'd rather have seen the transformers removed and painted. The capacitors buffed and polished and the chassis painted separately, but not with that speckled stuff. Sorry, I'm not trying to be mean. __________________ "The supercomputer is technologically impossible. It would take all of the water that flows over Niagara Falls to cool the heat generated by the number of vacuum tubes required." ~ Professor of Electrical Engineering, New York University

27th December 2007, 08:46 PM	#10
pikkujöpö diyAudio Member Join Date: Mar 2005 Location: Portugal	Certainly different,extra point for that. It's your amp and you probably have reasons why it isn't gold plated. To keep the paint in condition,put few coats of spray lacquer over it. __________________ xxx I should correct my spelling xxx

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