Tag Archives: metroamp

Marshall JTM-45 Reissue Modification – Part II

Amplifier Features, Amplifiers, , , , , , , ,

In part I of our Marshall JTM-45 transformation process, we installed a point-to-point board from Metropoulos Amplification and began to hear the positive results of our test Marshall as it came to new life.

Now, in Part II of our continued Marshall JTM-45 transformation, we move forward with two additional changes in addition to having the opportunity to compare the final results to an original 1964 badge-logo Marshall JTM-45. The two changes that we decided to perform were to swap out the stock output transformer to a Mercury Magnetics Axiom O45JT-C model as well as to upgrade the board’s capacitors to those made by SoZo Amplification. To say that we were excited as well as just plain curious about the final results, especially when we could now compare it to an original JTM-45— is an understatement.
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Metropoulos Amplification ’68 12000-Series Plexi 100 Watt head

Amplifier Reviews, Amplifiers, , , ,

Introduction

"I want an amp that can nail the early Van Halen tone 100% but I don’t have $5,000+ (at the time of this writing – 11/05) for an original Marshall ’67-’68 era plexi." This is what many of you have written to us and asked for in the past. "What should I use?"

Some of you have even had more demanding requirements for your amplifier citing that in addition to the Van Halen tone, you ALSO wanted the ability for the amp to respond and produce tones as diverse as Cream, Jimi Hendrix, Led Zeppelin, and AC/DC, among others.
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Metropoulos JTM45 Kit Review

Amplifier Features, Amplifiers, , ,

"MetroAmp.com is your resource for everything you need for repairing, restoring or modifying your vintage (or not so vintage) Marshall." This is the claim made by George Metropoulos at Metropoulos Amplification. In my case, I was in search of a replica point-to-point circuit board for my Marshall JTM-45 reissue. Did MetroAmp.com deliver? Not only did MetroAmp.com deliver; they gave me the product and information to help complete my quest for a vintage Marshall JTM-45.
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