1969 Marshall Super Bass 100, Original Transformers, Heavy Studio Use — Serviced by Danny Ghinn


Condition: Player-grade vintage (professionally maintained) 

Includes: ANALOGr provenance packet, Danny Ghinn service notes

Overview

1969 Marshall Super Bass 100 head, a well-used and well-maintained studio amplifier from Brett Allen's Los Angeles rental collection. Original transformer set is intact, with service-era work performed as needed to keep the amp active in professional settings. Serviced by Los Angeles technician Danny Ghinn, who documented significant historical service work, removal of prior modifications, and replacement of filter caps with OEM-spec parts.

This unit saw extensive use with major artists and producers and was selected for notable rock sessions over multiple decades (System of a Down, Red Hot Chili Peppers & Dave Grohl)

Key Details

  • Year: 1969
  • Model: Super Bass 100
  • Serial: SB/A 3471A
  • Power: 100 watts
  • Channels: 2
  • Transformers: Original (per technician)
  • Notes: Large replacement logo; expected heavy cosmetic wear from long-term use
  • Serial: SB/A 3471A 

Service Summary (Danny Ghinn)

  • Significant long-term service work performed for upkeep
  • Evidence of older modification fully removed
  • All transformers original
  • Filter capacitors replaced with OEM equivalents
  • Wiring cleaned up during service; amp electrically stable

Condition

  • Heavy exterior wear consistent with decades of rental and touring duty
  • Fully operational following service
  • Circuit stable after recent service work
  • Player-grade cosmetics, functional workhorse reliability

Provenance

From Brett Allen Studio Rentals, with documented usage by:

  • System of a Down
  • Red Hot Chili Peppers
  • Dave Grohl

Rental invoices and internal documentation are included in the ANALOGr provenance packet.

Included

  • 1969 Marshall Super Bass 100 head
  • Danny Ghinn service notes
  • ANALOGr provenance packet

Shipping

Professionally packed & fully insured White-glove domestic delivery available Freight options available International shipping on request

Final Notes

Additional photos, documentation scans, and video walkthroughs are available upon request.

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.

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Listeda month ago
ConditionVery Good (Used)
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Brand
Model
  • JMP 1992 Super Bass 2-Channel 100-Watt Guitar / Bass Amp Head
Finish
  • Black
Categories
Year
  • 1967 - 1975
Made In
  • United Kingdom

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ANALOGr

Los Angeles, CA, United States
Joined Reverb:2016

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