Amp Kit – 50 Plexi Head

Everything you need to build a replica of the legendary non-master volume amp that was heard on countless records from the 70’s and 80’s! Complete with Marshall style small box head cabinet, US made transformers, carbon film, carbon composition, and metal oxide resisters, steel chassis, etc. Includes schematic and layout diagram.

Add our PPIV Master Volume Kit for extra gain and neighbor-friendly volume levels.

NEW! Upgrade to Granger M50 Plexi spec, now available! See options below!

Granger Amp Kits are available for sale in the Continental US, Canada and Mexico. All other international customers are asked to please email your request to us before using the online shopping cart for kits and replicas. Thank you.

Class A/B all Tube Amplifier modeled after the JMP50
Output: ~50 watts
Circuit: 1987
Fixed Biased w/ adjustable potentiometer
Tubes: 2 JJ EL34, 3 JJ 12AX7
Resistors & Capacitors: Carbon composition, carbon film, metal oxide, Mojo Dijon Series
Custom Garolite board w/ double turrets

DISCLAIMER: User assumes all risks. Some of the parts contained in this kit are subject to availability. We reserve the right to change or substitute any and all of the parts (of equal or greater quality) contained in this amplifier kit without advertisement or notification to the buyer. Part substitutions made by Granger Amplification are guaranteed not to effect the integrity or operation of your amplifier. Please allow 4-8 weeks for shipment. Orders cannot be canceled or altered after 48 hours. Please call us with any concerns before placing the order!

Pricing and Options


6 in stock

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