Need help identifying this amp.

sportster4eva · 02-16-2007, 02:40 PM

I Snagged this one for pretty cheap, but it has no markings anywhere that indicate who made this. It's got potential for sure, nice big Stancor iron, 400v secondaries. I got it because I like the shape of the chassis. I think it's going to be a JTM45 when I'm done. Who made this thing?

LarryLarry · 02-17-2007, 02:37 AM

It looks like a Masco or possibly an RCA...

Bruce / Mission Amps · 02-24-2007, 01:00 AM

Looks like it could be one of those old RCA or Western Electric, PA heads.
Regardless... even those old gronks had great iron in them.

sportster4eva · 02-24-2007, 03:21 PM

I opened it up and took a close look inside. Still no identifying marks, but it has been modified. OT and choke have extra holes underneath, and a couple of the socket holes were drilled with a hole saw. I'm just gonna gut it, and make something else out of it. I'm leaning towards maybe a Marshall inspired setup, using octals and el34's. I'm thinking about making a footswitchable parallel preamp stage, where the switchable stage is set up for higher gain, to add sort of a parallel boost when it's kicked in.

Brad1 · 02-26-2007, 11:45 AM

Looks like something off the set of an old "B" sci-fi movie spaceship console.
That thing would be "Zuzu Approved for Funk Factor" if he saw it.

Definitely worth making something out of, just because of how it looks!

Brad1

02-24-2007, 01:00 AM	#3
Bruce / Mission Amps Senior Hollow State Tech Join Date: May 2006 Location: Denver, Colorado Posts: 2,014	Looks like it could be one of those old RCA or Western Electric, PA heads. Regardless... even those old gronks had great iron in them. __________________ Bruce Mission Amps Denver, CO. 80022 www.missionamps.com 303-955-2412

02-24-2007, 03:21 PM	#4
sportster4eva Member Join Date: Jan 2007 Location: Seekonk, Ma. Posts: 97	I opened it up and took a close look inside. Still no identifying marks, but it has been modified. OT and choke have extra holes underneath, and a couple of the socket holes were drilled with a hole saw. I'm just gonna gut it, and make something else out of it. I'm leaning towards maybe a Marshall inspired setup, using octals and el34's. I'm thinking about making a footswitchable parallel preamp stage, where the switchable stage is set up for higher gain, to add sort of a parallel boost when it's kicked in. __________________ Sometimes I'm good, then I'm bad.. http://www.evacuatedelectronics.com

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02-17-2007, 02:37 AM	#2
LarryLarry Member Join Date: Feb 2007 Location: Riverside, CA Posts: 29	It looks like a Masco or possibly an RCA...

02-26-2007, 11:45 AM	#5
Brad1 Senior Member Join Date: Jun 2006 Posts: 231	Looks like something off the set of an old "B" sci-fi movie spaceship console. That thing would be "Zuzu Approved for Funk Factor" if he saw it. Definitely worth making something out of, just because of how it looks! Brad1

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