Description

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Marshall JCM900 4100 (100 watt) valve kit

Shuguang digitally matched premium grade replacement valve kit for Marshall JCM900 4100, 4101, 4102 Dual Reverb 100 watt head & combo.

4 x Shuguang 5881A Digitally matched power valves

3 x Shuguang 12AX7/ECC83 Preamp valves. Including 1x balanced 12AX7/ECC83 for phase inverter. (Position V3).

5881A power valve/tube:
Great sounding punchy power tube with clear highs & defined lows. This particular valve was featured in many of the earlier Marshall amplifiers. The 5881A is a slightly lower powered version of the awesome Shuguang 6L6WGB & they are interchangeable. Premium grade valve with proven reliability & low microphonics.
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12AX7/ECC83 preamp valve/tube:
The Shuguang 12AX7 (ECC83) is a premium grade valve with proven reliability & low microphonics. Currently re-branded by Penta, Ruby Tubes, Groove Tubes, and many others.
A popular replacement preamp tube for all music styles & especially preferred by owners of Marshall tube amplifiers due to high gain structure & added bite.
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Additional info:
All the valves included in this kit are brand new & boxed direct from the Shuguang factory in China.
They are tested at the factory & thoroughly tested again by us before dispatch. These Chinese valves have a superb construction, feature warm tonal characteristics & sound fantastic when overdriven.