Marshall Pre Amp Kits / Marshall 3 Valve Harma ECC83 Retro Classic Pre Amp Kit Standard Gain

Marshall 3 Valve Harma ECC83 Retro Classic Pre Amp Kit Standard Gain Marshall 3 Valve Harma ECC83 Retro Classic Pre Amp Kit Standard Gain Click on image(s) above to view larger

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These specially chosen pre amp upgrades kits are designed to give deliver the sound that you want from your Marshall amplifier. Our low gain kits provide the cleanest sound in the pre amp stage which many players like. Our medium gain kit simply removes the edge off the sound and provides a later breakup when compared to a regular ECC83 type. The number in the title indicates the amount of gain reduction the kit provides. Our standard gain Classic kit is our most popular as this delivers a sound as close to the classic Mullard 3d midrange tone. With this kit you get a smooth warm crunch which is rich in harmonics and detail. Our High gain kit provides the same tone with earlier break up and maximum over drive. We then select these and supply these in special sets for Marshall Owners.
Standard Gain

This valve set is specially selected for Marshall Amplifiers and covers all Marshall Models that have a 3 valve pre amp section with the phase inverter in the V 3 position. These include Super lead, Superbass models 1959, 1986, 1987, 800 series such as 2203, & 2204, 4103 & 4104 and 900 series with a 3 valve pre amp section.

This kit is for the guitarist who wants the classic Marshall crunch with that famous Mullard style harmonically rich 3 dimension midrange response.

The Harma ECC83-Retro when it is overdriven provides a warm sustaining sound with plenty of upper harmonics. The valve is made with a smooth response curve so does not have that annoying fizz when the amp is run into saturation which happens with certain ECC83 12AX7 Types. The combined features mean you get smooth warm overdrive with tight fat punchy lows. This captures that classic vintage Marshall sound better than all the other ECC83 12AX7 on the market

The set consists of 3 valves

2 Specially Selected Harma ECC83 Retro in V1 & V2
1 Specially Gain selected & Balanced Harma ECC83 Retro In V3

The Harma valves are specially selected for this kit using very tight gain parameters and
Gain selection of the triode sections. The valves are carefully selected for low noise and low levels of hiss and ambient noise with a signal to noise ratio better than -80dBV.



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