Marshall JMP 1992 Super Bass 2-Channel 100-Watt Head 1971

Marshall

JMP - Super Bass 100

1971

Serial No. SB/A 4584C

We’re pleased to offer this JMP Super Bass 1992 head from 1971, built during the desirable hand-wired tag-board era.

Chassis: Original output transformer, original choke, replacement TAD laydown power transformer, original mustard caps. The original Bulgin power supply is still present and the head will come with a power cable.

It’s just had a full check-over by Dave at Prestige Amp Servicing — an ex-Marshall factory technician — with several service parts replaced, listed below.

• V2 & V3 Preamps replaced ECC83
• V1 & Phase Inverter supply resistors x 4
• PAT Tested
• Bias Circuit smoothing caps 10uf, 100v
• 4 x new Marshall Branded EL34's

Pre Amp Valves: PM & RUBY ECC83

Power Valves: Marshall EL34

Cosmetic: Original head shell and hardware.

The output (ohms) and mains voltage selectors have been updated to the more modern RS style.

This listing is for the head but we also have a selection of Marshall cabs available separately.

Mains voltage selector - 110v, 120v & 240v - so can be used worldwide.

Worldwide Shipping Available

All of our heads are shipped in custom made Overdrive boxes with extra protection inside. We usually use UPS for international shipments. We have lots of experience shipping Marshall items worldwide and ship to North America and Europe on a weekly basis.

We are proud to be an Authorised Marshall Retailer, with shipping available across the UK and all of Europe for new gear and worldwide shipping for our used items. We also have a dedicated showroom where you can experience and test the amps in person.