Up for sale is a genuine early-70s Marshall JMP 50W head paired with a vintage 2x12 cab loaded with original Celestion Rola G12M Greenbacks.

This is a proper vintage Marshall setup — not a reissue or parts build.

Head:

  • Approx 1971 production (serial S/A 5827C)
  • Original Dagnall output transformer (TXMA / D2479)
  • EL34 power section
  • Period-correct master volume mod (early 1970s)

Cab:

  • Vintage Marshall 2x12
  • Loaded with 2 x Celestion Rola G12M Greenbacks (early ’70s)
  • Correct period speakers for the amp

Condition:

  • Honest vintage condition
  • Normal cosmetic wear for age
  • Original transformers and core components

Amp has been in storage for 10 years. Everything working as it should.

Price: $9800AUD

Located in Byron Bay.

Buyer to arrange shipping costs. Happy to help though.
Happy to demo for serious buyers.

No swaps. Genuine enquiries only.

This item is sold As-Described

This item is sold As-Described and cannot be returned unless it arrives in a condition different from how it was described or photographed. Items must be returned in original, as-shipped condition with all original packaging.Learn More.

Listed3 days ago
ConditionFair (Used)
Fair condition gear should function but will show noticeable cosmetic damage or other issues.Learn more
Brand
Model
  • JMP 1987 2-Channel 50-Watt Guitar Amp Head
Finish
  • Black
Categories
Year
  • 1967 - 1975
Made In
  • United Kingdom
Power Tube Type
  • EL34
Number of Channels
  • 2 Channels
Electronics
  • Tube
Direct Output
  • No Direct Output
Number of Inputs
  • 4 Inputs
Impedance
  • 16 ohms
  • 8 ohms
  • 4 ohms
Reverb
  • None
Color Family
  • Black
Output Power (Watts)
  • 50

Product safety information may be available here.

Sid Ramone

Suffolk Park, Australia
Joined Reverb:2026

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