Marshall JMP MKII 100 Watt 1978.  Perfect working order and tubes were just serviced/changed. The switch on front is for a fan thats on the side of the amp.  It sucks out all the heat that these amps produce, thus putting less heat strain on the guts and tubes.  The hardwire power that the amp used to have was converted to your standard iec power plug.  Condition is good for being a 78'.  Its what you'd expect with some tolex tears, the plastic vent on top is slightly warped (pictured) but none of this affects the tone/working aspects of the amp.  If you have any questions feel free to ask.  


Product Specs

Good (Used)
JMP MKII 100 Watt
Guitar Heads
Made In
United Kingdom

About The Seller

Banana Magic
Joined Aug 2014
Huntington Station, NY, United States

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Shipping Policy

Ships from Huntington Station, NY to:

Continental U.S.

As of March 2018, my shipping has about a 3-4 week turnaround due to being about 4hrs away from my home. If an item sells, I’ll do my best to get back ASAP to get it shipped out

Thanks so much for understanding ,

Tax Policies

United States - WA
Calculated at checkout

Return Policy

Return Window

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.
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Banana Magic

Huntington Station, NY, United States
Joined: Aug 2014

Marshall JMP MKII Master Model 100W Lead 1978
+ $100 Shipping