ESR Revival Series Model M1954; a 4x10 Tube combo (59 Bassman anyone?)

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thegtrzan
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Joined: 2007-01-22
ESR Revival Series Model M1954; a 4x10 Tube combo (59 Bassman anyone?)

I also put this as a reply in another topic area and should have posted it as a new topic, oops; sorry about that! Here ya go folks:

Just picked this baby up. Four 6L6GC in it with an accutronics long spring reverb. Its a 4x10 combo. The control panel is a dead ringer for a Fender 59 Bassman combo, but it has reverb and also a pre gain volume and master volume, and a ground polarity switch up front unlike the Bassman panel layout. (Of coarse internally its all different, but they sure had the panel look and otherwise in mind, no doubt about it.) Four input jacks, controls all go to 12, you name it, it says Bassman copy all over it. Anyone want to guess what year the Fender Bassman came out? (1954 I do believe...) So that M1954 model number isn't any coincidence I don't think... This one of mine has four Eminence tens in it and sounds just fantastic. Solid state preamp though, but no drawback that I can hear. Its a seriously GOOD sounding amp, and I have lots of Fender and Peavey tube amps here to compare it with. Its a contender hands down. But I gotta say the cabinet build is pretty poor. Dark grey carpet over cheap 7/8s inch particle board. Cheap crumbly particle board at that. No tuck and roll here dangit... I plan on making a new nice solid hardwood cabinet out of some solid one inch stock I have on hand then giving it the tweed treatment. Can't wait to hear it reborn inside that! Man this is a lost jewel as far as I'm concerned. Some people out here in tube amp la la land are dissin' on these because they don't say Fender or Marshal on them.... Yeah; well I didn't pay three stinkin' grand for it either you dingbats, so take that! Its gotta be at least 60 watts. Keeps right up with my new Fender Hot Rod Deluxe and that saying something; them suckers is LOUD... Hows 60 bucks strike you guys for a deal? heh heh; some of you boutique freaks and mental masturbators all hung up on name brand logos really should start listening with your ears instead of your eyes. I'll tell ya what; I'll take this over any Fender OR Marshal for the money I saved. Hell I can go out and buy a new Les Paul with that kind of dough! I was flat out overjoyed and still am! I'll post some pictures later and keep a record of the rebuild. Only problem I'm having right now is shutting it off long enough to start the rebuild project! All good things must wait. This is gonna be a great site I think. The few people who own these amps seem to understand that build quality aside, stolen copy design lawsuit or whatever, these are some seriously GOOD sounding amps. I would buy another in a New York second. I won't say that about a heck of a lot of vintage Fenders, deal or no deal. Ditto the overpriced Marshals and the like. Keep the posts coming folks; lets start a Revival!!!!

I forgot to mention that a very nice tube amp designer kinda guy from Sweden I came across on another site was kind enough to send me the schematic print for this amp! The odds of coming across this are just incredibly small but low and behold it happened thanks to this kind person. He flew it over to me via email, and its the right print. (Thanks again Sixten; you rule man!!!)I share for those interested!
My amp was made in 1973 in Farmingdale New York. It say "Product Of Instrument Systems Audio Corp. 40 Smith Street Farmingdale, New York 11735 on the ID plate off the back. Serial number 100352. model M1954. The control panel says Earth Sound Research on it also...
From all the "research" I have done so far (speaker date codes and the like)that 1973 date is correct. So there ya go. If you have one of these amps that has four 6L6 in it (or similar octal) with a solid state preamp and it fits the rest of the above description I have given, this may help you out if you need a print. Let me know and I'll hook ya up! Gotta fly...talk at ya all later.
Thegtrzan

thegtrzan
Online
Joined: 2007-01-22
The revival series schematic

The revival series schematic is all over the net now. Just select images and scroll down. Same print for all revival models.
As a note Im in the process of replicating the original nameplate. If it comes out acceptible, I'll post some photos and consider making a few. But it won't be free of course. Its all done by hand cut stencil and quite a bit of work.

aknight
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Joined: 2012-01-21
m1954

hello i have just got this amp it needs repair and i cant find a schematic for this can you please email me a copy of the one you have thanks a mill.

adlo76
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Joined: 2008-06-05
Tweed Bassman

I just pulled the tubes in mine. There are two 6CA7's and two unmarked tubes that I can't identify. They are very similar looking but slightly narrower.
Anyone know what they may be?
Please email me any info you might have @ adlo76 @ yahoo
Thanks!

thegooch
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Joined: 2007-11-09
212 Earth Revival

100 watt Earth Revival Owner.

I must say I agree with you. I had the same amp after letting it go back in the early eighties. I found the same exact one for sale at Elderly's music in Lansing Michigan. I knew this because it had the same small scratches on the bottom that it had then. I bought it back for $175. After taking it to my technician, he had to install new preamp transistors and when I got it back WOW! I rate this a close second to my 64 original Fender twin. I just installed two 12" Eminence Wizard speakers in the twin and after hearing the differenece in volume and tone, the Earth will be getting a set put in her also.

This is, without a doubt, a great amp!

The Gooch

stebnera
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Joined: 2008-01-23
schematic

I'm currently working on one of these for a friend. If you could email the schematic to aps6 at uakron dot edu I'd greatly appreciate.

Thanks,
Aaron

RareEarth
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Joined: 2008-01-11
Hey gtrzan ! I passed up one

Hey gtrzan !

I passed up one of those when they were 'new' for a revival 212 (same head, different speaker set up, both were tweed). Listen, I'd really appreciate a copy of that schematic if you would please (yup I now have TWO revival 212s!). Please drop me a line at edigraph@ix.netcom.com & shoot me a pdf or a jpeg if possible. Thanks in advance. P.S. - Does anyone know if this forum have a user's database we can upload files, data, etc? If so we should build a library!

thegooch
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Joined: 2007-11-09
100 watt Earth Revival speakers

100 watt Earth Revival Owner

Hello, do you by any chance know what the original speakers used in the 2 12 speaker cabinet were and ohm rating?

Also,

I am trying to find the "Earth Revival" logo for the front of this amp. Any ideas?

Thanks,

John (Kalamazoo, Mi)

trkbyer
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Joined: 2007-06-15
schematic

my amp pops the fuse,I sure could use your schematic.

thebigone
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Joined: 2007-07-11
schematic for ESR M1954

Did you have that schematic? I have been searching for quite some time and can't find one . I have the same amp but it has been messed about with. I would like to return it to it's original state if possible. petefoss@freenet.de

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