SoZo Amplification

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I just installed SOZO's in my '76 Marshall SL 100, an amp that I've fully converted to 67 era Plexi spec's. I had previously swapped out the original green caps with Mallory's which made an improvement, but still didn't take it to "Mustard" territory. But now that the SOZO's are in, that smoothness and clarity is all there with much more pronounced harmonics. Low end is much more focused. I'd dare to say that John has one-upped the Mustards!

Peter Stroud

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Well, I have built 2 identical Metro 100 watt clones except one with SOZO caps and one that has NOS mustards that I paid a ridiculous amount of money for. The results? With my Les Paul 1959R, I can't tell the difference between the two amps. They sound identical! Well, at least the one with the mustards look cool.

-Jim

Gear:
100W Plexi
50W Plexi
Marshall 20 Watt

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I agree that the SoZo's sound really good...I had a set in my amp for a few months until I picked up a set of NOS mustards....I put the mustards in and I "thought" the highs were slightly smoother... and I mean really slightly...could be from variances in the actual values between the mustards and the SoZo's...i dunno...either way...the next day I couldn't tell the difference at all...now i just keep em in there for the psychological tone improvement hahaha

If I had to say how close the the SoZo's sound to the mustards...Id have to say they are 99.9% exact...and to me ... I cant tell the .1% difference...and they were about $200 cheaper!

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“Got to try the amp a bit today, it probably would be better if I could A/B with two identical amps but alas I only have the one .With that in mind here are my observations.

I had the volume around five and was playing mostly clean as I live in a apartment but this weekend the amp goes jammin!
Compared to the 150's I would say they sound clearer and noticed more bass & treble, more of everything really . I also noticed with a strat that the in-between sounds are more defined and sweeter. These caps really do sound nice , should be interesting after some break-in time has passed.”

I want to thank all of the suppliers for their excellent products and service that went into this fine sounding amp;
Perf Board provided by Ray Domzalski ( Smallbox)
Custom signal caps provided by SoZo Amplification
JTM45 power transformer provided by Brian Wallace (Marstran)
Radio Spares output transformer provided by OEI electronics
Early style chassis and panel by -Graydon Stuckey

-Valued Customer
Enfield, CT United States

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"John; Put some of them in an old Brown Deluxe that I put an RS clone Mercury Magnetics o/p tranny and M.O.Valve KT-66's. Sounds really great. I didn't think that amp could sound any better but it does. It had the old blue "Molded" caps in there that came stock along with some .022 Astrons. I have an old Alnico Celestion in that amp as well. The amp has a B+ of 440v and puts out a clean 32 watts at clipping. I'm going to be doing a reissue 100 watter later this week and I'll try them in there as well. Thanks again. "

-Thanks! Don Butler
www.tone-man.com

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"Got the Caps yesterday!!!! they sound wonderful! They have made the amp much more alive...richer. The coolest thing though is something I was not expecting, the amp now FEELS alive, amazing. I am completely thrilled!! Thanks!"

-Valued Customer
MILWAUKEE, WI United States

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"I think you're going to like them a lot ... they have a distinct Marshall sound to them. I don't know how else to describe it!"

-Valued Customer
Seattle, WA United States

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"Well, the SoZo caps arrived yesterday. I've a 72 SL that was way to trebly for me, even with the bright caps (on both channels!) removed. I could tell that previous owners had done some "tweeking" in the past.
So...out came the soldering iron, there was a .047 cap instead of a .022 (I can't find out what to call these caps...they are wired to the slope resistor, next to the tone caps...maybe they are also called tone caps? Pardon my ignorance.) Anyway, out came the .047 wired to the mid, in went the .022 Sozo. While I was at it, there was a 22uF Xicon where you normally find a .68uF in the lead channel Rk/Ck position....in went a .68 SoZo. So, I let the amp "cook" until bedtime...tried it out today...wow! Much, much better sounding!
Thanks for turning me on to these caps...and to all those who contribute to the knowledge base here!
I have more SoZo's...maybe it's time to replace those Mallory-type coupling caps too"
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"Who would have thought that changing the type of cap would make such a difference. The more I play it the better it sounds. It now has the perfect amount of chime, solid bass, and the glassiness is gone. The most subtle nuances come right through and you heard a little of how it responds to being pushed with a HB. This is rapidly becoming my favorite amp. Just blows the Soldano away."

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Hi John, I put together an amp over the weekend using Heyboer trannies and your caps. Talk about vintage Marshall vibe and tone!!!
www.MetroAmp.com

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http://www.legendarytones.com/JTM2Art1.htm

Legendary Tones write up

Disclaimer, SoZo Amplification is not affiliated with Neve™,Mullard™,Vox™, Iskra™, Marshall™, Epoxy™, HiWatt™, or the EPA! Please allow several weeks for delivery with regular ground shipping and current demand. SoZo Amplification reserves the right to decline orders based on misrepresentation or mishandling of the product. SoZo Amplification is not responsible for any damage resulting from unqualified usage of the product.