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M100 Rev. Question

Posted: Fri Jan 14, 2011 8:11 pm
by Shinju
What rev is this M100 all the ones I have ever owned and seen have had the gold exposed trace boards.

This one looks the same but with different resisters near the torrid and green board coating.

And I will need a new speaker/power terminal if any of you have some extra's laying around let me know! These are pretty beat up!

My current M100

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M100 that I am used to seeing (taken from ampguts)

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Re: M100 Rev. Question

Posted: Fri Jan 14, 2011 11:23 pm
by gridracer
The bottom pic is 1 of my my M100's I believe, Eric modded it like that the originals have 6 caps. I have a brand new speaker terminal here it's black though. You could dye your power terminal black to match.

Re: M100 Rev. Question

Posted: Sat Jan 15, 2011 9:22 pm
by tonym
first few hundred were green boards....both mine are all green...my outlaw is gold though :)

Veleks can tell you the revisions

Re: M100 Rev. Question

Posted: Sat Jan 15, 2011 10:20 pm
by marko
doesn't really matter how many caps go in there as long as there's enough capacitance to do the job, could of used 2x 6800uf caps and job done. purists will like to see 6 caps but who cares when the lid is on?

Re: M100 Rev. Question

Posted: Sun Jan 16, 2011 12:32 am
by mhyde71
rev should be indicated here under power terminal IIRC

Re: M100 Rev. Question

Posted: Sun Jan 16, 2011 10:36 am
by Shinju
Matt, I looked in that spot there is not a Rev number stamped under the term.

Not a super.big deal just curious if someone had an idea on when this one was built.

Re: M100 Rev. Question

Posted: Sun Jan 16, 2011 8:21 pm
by tonym
it was within the first few hundred built from what I was told..

Re: M100 Rev. Question

Posted: Mon Jan 17, 2011 12:56 am
by gridracer
Shinju wrote:Matt, I looked in that spot there is not a Rev number stamped under the term.

Not a super.big deal just curious if someone had an idea on when this one was built.
I have 7 M100's and every one of them the rev version is where Matt circled right under the torroid just in front of the metal bracket that the power terminal screws onto.
The last one of mine I looked at is a REV A and has the gold plated board, like all my others so maybe just the gold plated boards have the REV version there.

Re: M100 Rev. Question

Posted: Mon Jan 17, 2011 1:17 am
by valeks1
Nothing wrong with this green board this is one of the first 200-300 boards. Green boards were built here in the USA and gold board in Taiwan. Who put two caps instead of six on that gold plated amplifier? That was a bad idea better to have six smaller caps.

Re: M100 Rev. Question

Posted: Mon Jan 17, 2011 1:39 am
by gridracer
valeks1 wrote:Nothing wrong with this green board this is one of the first 200-300 boards. Green boards were built here in the USA and gold board in Taiwan. Who put two caps instead of six on that gold plated amplifier? That was a bad idea better to have six smaller caps.
Eric did that I have since changed it back to 6 caps.

Re: M100 Rev. Question

Posted: Tue Jan 18, 2011 5:50 pm
by tonym
valeks1 wrote:Nothing wrong with this green board this is one of the first 200-300 boards. Green boards were built here in the USA and gold board in Taiwan.
I have driven 1 of my m100's(bought it new myself) like a race car in the red since early 90's ....only problem has been the rca jacket came off....is one board better than the other? green boards didnt have any rev's done to them I would think? Do you update the green board m100's to the same as the glod plated boards?

Re: M100 Rev. Question

Posted: Tue Jan 18, 2011 6:09 pm
by The Golden One
Shinju wrote:Matt, I looked in that spot there is not a Rev number stamped under the term.

Not a super.big deal just curious if someone had an idea on when this one was built.
i just guessing but it seems to me that if that's the very first run of that amp then maybe it would'nt have a board rev letter on it because think about it if it's the first of that amp, then what can they revise it from the design table or what? :hmm: