Marshall Amp Full Revalve Kits / Marshall Signature Series Super 100 JH head Classic KT66 Retro Full Upgrade Kit

Marshall Signature Series Super 100 JH head Classic KT66 Retro Full Upgrade Kit Marshall Signature Series Super 100 JH head Classic KT66 Retro Full Upgrade Kit Click on image(s) above to view larger
£190.00
£171.00

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Marshall amplifiers are voice of Rock and Roll past, present and in future.These amplifiers have been used by all the music legends. From Clapton's fierce bluesbreaker solos with John Mayall, to the powerhouse slam of Jimmy Page in Led Zeppelin to Steve Jones awesome sound with his JCM800. These Kits are designed and put together to enable you to get the best out of your particular amplifier. Our Classic kits are aimed at giving you the closest to the original Mullard/Marshall sound that has rocked the music world
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The Marshall Super 100 JH head Classic Retro full revalve kit is designed to give your Marshall warm and crunchy sound with later distortion and more top end clarity.

The Harma ECC83 Retro is a true sounding recreation of the famous Mullard ECC83.

The outstanding feature of the ECC83 Retro is that when it is overdriven it provides a warm sustaining sound with plenty of upper harmonics. This combined with its smooth linear midrange response and extended low frequency response means you get smooth warm overdrive with tight fat punchy lows. This captures that classic vintage Marshall sound better than all the other ECC83/12AX7 that I have tried.

In the output stage we use the Harma KT66-Retro which is a meticulous recreation of the famous G.E.C Osram KT66 and follows the original military specification KT66/CV1075.

The Harma KT66 Retro has a number of special features such as a gold plated grid wire with carbonized screen grids. The anode plates use a tri-alloy plate structure with gives exceptional performance and sound quality.

The Harma KT66 Retro shares the same anode design and bottle shape as the original it has the top mica supported with spacers on the 4 corners to prevent rattle and is made with a brown replica base just like the G.E.C.

In the Marshall these will supply the famous blues breaker tone of tight punchy lows and clear dynamic highs. This valve is gives the following improvements over the standard Chinese item. The valve has a richer clear treble response which has more clarity and bite at the top end. The Harma KT66 Retro has a supreme warm midrange tone resulting in rich harmonics when overdriven. The bass end has more weight and slam and is well focused and crunches with more dynamics than the standard valve.

The Harma KT66 Retro is as close as you can get to the original British made GEC KT66 in terms of look and tone. These are simply the right valves to power this remarkable Marshall Head.

The set consists of 7 valves

2 Specially Gain selected Harma ECC83 Retro in V1, & V2,
1 Specially Gain selected and balanced Harma ECC83 Retro in V3
4 Selected and matched Harma KT66 Retro in a matched quad.

Please note that this kit is for the valves only

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