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Author Topic: Mercury magnetics transformers  (Read 1287 times)
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« on: May 01, 2016, 09:30:29 PM »

Any OTS users have opinions on the Mercury magnetics transformers in the ceriatone ots amps?
I'm looking to order a OTS fm 50 watt head and wanted to know if the sound justified the extra scratch.

Also, does anyone know who makes the original equiptment transformers?

Thanks in advance, y'all.
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« Reply #1 on: May 12, 2016, 05:05:05 AM »

Hi there, its been a while since I was on here. I have had a number of OTS amps. The current one was built by a local electronics  tech here in Australia and I was able to specify some things I wanted in the build and lead dress after having had a few of these amps in the past.

I have had some components changed out by another "D" style enthusiast and also some value changes in my search for my ideal dumble tone.

I mention this only to illustrate that what one may find is an improvement is only so in relation to that persons particular end goal. As such and for me, the change to MM transformers was a good move. The amp is a step more articulate with the MM transformers than the stock ones for me and my ears.

The power transformer was not changed as my tech measured the values and sag etc and said it wasnt worth changing it out. However the output and choke were changed out.

The difference is a matter of degree and how much the single percentage points gain is worth to you. The two biggest differences I found are,

1. There seems to be better control over gain levels with pick attack alone.
2. There seems to be an improvement in overall clarity of notes and definition with chordal work.

my 2c

Carol Ann OD-2
OTS 50 modded and modded
Carol Ann Tucana 3
2000 PRS McCarty
2011 PRS CU24 59/09s 5w blade
2009 PRS DGT
2009 Fender CS 1957 Heavy Relic Strat
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« Reply #2 on: May 19, 2016, 09:25:40 PM »

Thanks hurtwoodec.

I have heard similar things regarding improved definition and sharper attack.
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« Reply #3 on: August 07, 2017, 10:40:16 PM »

I haven't done any comparisons, but I installed MM's in my Bluesmaster 50 and it sounds fantastic.
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