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mgdesigns · February 25th, 2012, 07:25 PM

Make one out of scrap steel. Seems like it's a pretty easy part; the bassman cap cover is not a stamped box, and has open corners.

JBennett · February 25th, 2012, 07:26 PM

I think I will. So, will any metal work? You said steel. Would aluminum work? I'll look for a sheet of something strong but not too hard to bend or cut.

Pretty easy thing to make either way.

Is this cover meant for shielding, or just so you can't accidentally reach around and touch a live cap? I'm guessing it's plenty shielded being on the outside of the chassis.

JBennett · February 27th, 2012, 04:57 PM

Okay... well I walked to home depot on my lunch break. Bought a pair of snips and a sheet of zinc. measured, clipped, and folded it (using my desk drawer at the office) in 10 minutes.

Cost less than any available "doghouse" and I get to keep the snips! (and the zinc, which is supposed to be good for colds, right?)

Thanks for the nudge MGD.

hackworth1 · February 27th, 2012, 06:22 PM

Woof, Woof! Looks as good as any doghouse I've been in.

JBennett · March 1st, 2012, 12:15 PM

So, I'm getting close to taking out the current guts. A few questions...

Seems to me that by looking at the schematic for the reissue and the original unit, the choke has two black wires. Does it matter which side the choke wires come from? Or is it not an issue which way it is fed from the rectifier board?

Same question for the heaters. Are both green wires from the transformer interchangeable? Can I send either one to the tip of the pilot and then just send that wire to the 2/3-4/3-4 and the other to the 7/9/9 pins?

Everything else is pretty clear, but the transformer wires are a bit confusing due to the duplicate colors. I'll be clearly marking the current connections with labels once I clip the plug ends and I'll send those to the same connections as on the RI.

For example CP-8 from the PT goes to the AC switch and CP-3 goes to the fuse. (these are the two black wires from the PT)

BUT!!!!
CP-11 and CP-12 (the two RED wires from the PT) seem to be interchangeable?

JBennett · March 3rd, 2012, 10:31 PM

andyfromdenver · March 3rd, 2012, 11:09 PM

I can feel the humidity increasing :). Gonna get my umbrella!

hackworth1 · March 4th, 2012, 07:36 AM

JBennett,

All your suppositions are correct. Proceed at will.

JBennett · March 4th, 2012, 09:12 AM

Thanks Hackworth. I've gotten some more wiring done this morning. The power supply is all wired up to the fuse/light/switch/rectifier. Just waiting on a package from Watts with some jacks and wire and I'll be ready to wrap it up.

JBennett · March 4th, 2012, 09:56 AM

JBennett · March 4th, 2012, 10:54 AM

You're in the doghouse now...

TheRumRunner · March 4th, 2012, 11:04 AM

Really enjoying this build out - thanks for taking the time to share.

DW

JBennett · March 4th, 2012, 12:20 PM

Thanks for watching. I hope to have it all finished by this time next week. (assuming my package gets here)

One thing I don't have that is on the originals is a brass plate under the pots... like in this photo of a vintage unit:

Do I need one? If I need one, could I cut it out of the same zinc sheet I made my doghouse from?

JBennett · March 6th, 2012, 07:53 AM

Package is still on its way. Cleaned up power supply wiring a bit and soldered in the two 100 ohm resistors on my octal socket. And soldered up the OT leads to the RCA out. And crimped a nut mount collar on my rectifier ground.

Outlet works, and the PT fires up a-okay. Jewel lamp glows, just above 130vdc before the diodes on the rectifier and just over 250vdc after they pass through the rectifier. 8ish vac on the greens. 130vac on the primaries. Something like that. Once it's all wired up I'll photograph all the readings.

Jacks have resistors and are installed.

JBennett · March 6th, 2012, 11:51 PM

Wired up the heaters. They are pretty out of the way of everything this way. And, they work! I even dropped in some tubes and they warmed up to a nice, healthy orange glow.

JBennett · March 7th, 2012, 09:20 PM

New AC wiring... and 1/2 watters that I found at Leeds Audio... crusty bastards.

JBennett · March 8th, 2012, 04:10 PM

Final package delivered. I should have this thing finished by morning light...

JBennett · March 8th, 2012, 08:34 PM

false alarm, wrong package. Tomorrow night I guess...

andyfromdenver · March 8th, 2012, 08:36 PM

Quote:

Originally Posted by JBennett

false alarm, wrong package. Tomorrow night I guess...

Awww!! I hate it!

JBennett · March 9th, 2012, 10:14 AM

Arrival! Tonight I'll try to get it all wired up and fired up.

Here is my assistant.

February 25th, 2012, 07:26 PM	#42 (permalink)
JBennett Tele-Afflicted Join Date: Jun 2008 Location: Brooklyn, NY Age: 35 Posts: 1,566	I think I will. So, will any metal work? You said steel. Would aluminum work? I'll look for a sheet of something strong but not too hard to bend or cut. Pretty easy thing to make either way. Is this cover meant for shielding, or just so you can't accidentally reach around and touch a live cap? I'm guessing it's plenty shielded being on the outside of the chassis. Last edited by JBennett; February 25th, 2012 at 08:40 PM.

February 27th, 2012, 06:22 PM	#44 (permalink)
hackworth1 Friend of Leo's Join Date: Oct 2009 Location: Volusia County, Florida Posts: 2,497	Woof, Woof! Looks as good as any doghouse I've been in. __________________ 5F1 & 5E3 Kits, See Vendor Forum Specials & www.BootHillAmps.com

March 3rd, 2012, 11:09 PM	#47 (permalink)
andyfromdenver Tele-Afflicted Join Date: Dec 2011 Location: Athens, GA Posts: 1,736	I can feel the humidity increasing :). Gonna get my umbrella! __________________ new music vid and band stuff: http://www.youtube.com/watch?v=Ysqfl...ature=youtu.be http://www.myspace.com/marshmallowcoast http://en.wikipedia.org/wiki/M_Coast

March 4th, 2012, 07:36 AM	#48 (permalink)
hackworth1 Friend of Leo's Join Date: Oct 2009 Location: Volusia County, Florida Posts: 2,497	JBennett, All your suppositions are correct. Proceed at will. __________________ 5F1 & 5E3 Kits, See Vendor Forum Specials & www.BootHillAmps.com

March 4th, 2012, 11:04 AM	#52 (permalink)
TheRumRunner Tele-Holic Join Date: Apr 2011 Location: TheGreatWhiteNorth Posts: 894	Really enjoying this build out - thanks for taking the time to share. DW __________________ A Rhum drinker with a Guitar fetish

February 25th, 2012, 07:25 PM	#41 (permalink)
mgdesigns Friend of Leo's Join Date: Jan 2008 Location: Franklin, TN Age: 60 Posts: 2,401 4 Photos	Make one out of scrap steel. Seems like it's a pretty easy part; the bassman cap cover is not a stamped box, and has open corners.

Sponsored Ads	#
Forum Sponsor Sponsored posting Join Date: March, 2003 Location: Forum HQ Age: Posts: N/A

February 27th, 2012, 04:57 PM	#43 (permalink)
JBennett Tele-Afflicted Join Date: Jun 2008 Location: Brooklyn, NY Age: 35 Posts: 1,566	Okay... well I walked to home depot on my lunch break. Bought a pair of snips and a sheet of zinc. measured, clipped, and folded it (using my desk drawer at the office) in 10 minutes. Cost less than any available "doghouse" and I get to keep the snips! (and the zinc, which is supposed to be good for colds, right?) Thanks for the nudge MGD.

March 1st, 2012, 12:15 PM	#45 (permalink)
JBennett Tele-Afflicted Join Date: Jun 2008 Location: Brooklyn, NY Age: 35 Posts: 1,566	So, I'm getting close to taking out the current guts. A few questions... Seems to me that by looking at the schematic for the reissue and the original unit, the choke has two black wires. Does it matter which side the choke wires come from? Or is it not an issue which way it is fed from the rectifier board? Same question for the heaters. Are both green wires from the transformer interchangeable? Can I send either one to the tip of the pilot and then just send that wire to the 2/3-4/3-4 and the other to the 7/9/9 pins? Everything else is pretty clear, but the transformer wires are a bit confusing due to the duplicate colors. I'll be clearly marking the current connections with labels once I clip the plug ends and I'll send those to the same connections as on the RI. For example CP-8 from the PT goes to the AC switch and CP-3 goes to the fuse. (these are the two black wires from the PT) BUT!!!! CP-11 and CP-12 (the two RED wires from the PT) seem to be interchangeable?

March 3rd, 2012, 10:31 PM	#46 (permalink)
JBennett Tele-Afflicted Join Date: Jun 2008 Location: Brooklyn, NY Age: 35 Posts: 1,566

March 4th, 2012, 09:12 AM	#49 (permalink)
JBennett Tele-Afflicted Join Date: Jun 2008 Location: Brooklyn, NY Age: 35 Posts: 1,566	Thanks Hackworth. I've gotten some more wiring done this morning. The power supply is all wired up to the fuse/light/switch/rectifier. Just waiting on a package from Watts with some jacks and wire and I'll be ready to wrap it up.

March 4th, 2012, 09:56 AM	#50 (permalink)
JBennett Tele-Afflicted Join Date: Jun 2008 Location: Brooklyn, NY Age: 35 Posts: 1,566

March 4th, 2012, 10:54 AM	#51 (permalink)
JBennett Tele-Afflicted Join Date: Jun 2008 Location: Brooklyn, NY Age: 35 Posts: 1,566	You're in the doghouse now...

March 4th, 2012, 12:20 PM	#53 (permalink)
JBennett Tele-Afflicted Join Date: Jun 2008 Location: Brooklyn, NY Age: 35 Posts: 1,566	Thanks for watching. I hope to have it all finished by this time next week. (assuming my package gets here) One thing I don't have that is on the originals is a brass plate under the pots... like in this photo of a vintage unit: Do I need one? If I need one, could I cut it out of the same zinc sheet I made my doghouse from?

March 6th, 2012, 07:53 AM	#54 (permalink)
JBennett Tele-Afflicted Join Date: Jun 2008 Location: Brooklyn, NY Age: 35 Posts: 1,566	Package is still on its way. Cleaned up power supply wiring a bit and soldered in the two 100 ohm resistors on my octal socket. And soldered up the OT leads to the RCA out. And crimped a nut mount collar on my rectifier ground. Outlet works, and the PT fires up a-okay. Jewel lamp glows, just above 130vdc before the diodes on the rectifier and just over 250vdc after they pass through the rectifier. 8ish vac on the greens. 130vac on the primaries. Something like that. Once it's all wired up I'll photograph all the readings. Jacks have resistors and are installed. Last edited by JBennett; March 6th, 2012 at 08:41 AM.

March 6th, 2012, 11:51 PM	#55 (permalink)
JBennett Tele-Afflicted Join Date: Jun 2008 Location: Brooklyn, NY Age: 35 Posts: 1,566	Wired up the heaters. They are pretty out of the way of everything this way. And, they work! I even dropped in some tubes and they warmed up to a nice, healthy orange glow.

March 7th, 2012, 09:20 PM	#56 (permalink)
JBennett Tele-Afflicted Join Date: Jun 2008 Location: Brooklyn, NY Age: 35 Posts: 1,566	New AC wiring... and 1/2 watters that I found at Leeds Audio... crusty bastards.

March 8th, 2012, 04:10 PM	#57 (permalink)
JBennett Tele-Afflicted Join Date: Jun 2008 Location: Brooklyn, NY Age: 35 Posts: 1,566	Final package delivered. I should have this thing finished by morning light...

March 8th, 2012, 08:34 PM	#58 (permalink)
JBennett Tele-Afflicted Join Date: Jun 2008 Location: Brooklyn, NY Age: 35 Posts: 1,566	false alarm, wrong package. Tomorrow night I guess...

March 9th, 2012, 10:14 AM	#60 (permalink)
JBennett Tele-Afflicted Join Date: Jun 2008 Location: Brooklyn, NY Age: 35 Posts: 1,566	Arrival! Tonight I'll try to get it all wired up and fired up. Here is my assistant. Last edited by JBennett; March 9th, 2012 at 10:51 AM.

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