Hayes, United Kingdom
About this listing
Marshall JMP Super Bass 100 – 1972 – Fully Serviced & Re-ValvedSerial No: SB/A 4478DWe’re pleased to offer this superb 1972 Marshall JMP Super Bass 100, built during the highly sought-after hand-wired tag board era.This example is in player-grade cosmetic condition, mainly due to a replacement head shell, but electrically it’s spot on and delivers exactly what you’d expect from a great early ‘70s Super Bass. We recently put it through its paces and, paired with a Les Paul and a Tube Screamer, it immediately delivers that unmistakable classic Marshall tone.The original inspection sticker dates the amp to 11/08/72, complete with the desirable “Rosemary” signature – a nice bit of Marshall factory history.Chassis & ComponentsOriginal output transformer, power transformer, and chokeOriginal Bulgin mains socket still present (power lead included)Original tag board with a good amount of visible factory shellacFitted with some original Mullard mustard capacitors (dated Q2 1972 – B2 codes)As expected, a number of service components have been replaced over its 50+ year lifeRecent Service WorkProfessionally serviced by Dave at Prestige Amp Servicing (ex-Marshall factory technician), including:Updated voltage & impedance selectors (OEM Marshall parts)Chassis earth brought up to modern safety standardsBias circuit smoothing capacitors replacedFully PAT testedFresh set of Tube Amp Doctor EL34-STR output valvesThis amp is fully checked, stable, and ready to go.Cosmetic ConditionReplacement OEM Marshall head shell (later period)Tolex shows general wear and battle scars consistent with ageOriginal 1970s feet still fittedPower and standby switches have been replaced at some pointPlease refer to photos for full condition details.A fantastic sounding, properly serviced early ‘70s Super Bass with all the character and punch you’d expect — ready for studio, stage, or collection.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 AvailableAll 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.
Price£3,099
+ £20 Shipping
