Rock Out with the Best Valves in the Business
Exceptional tone. Superior quality. Unbeatable prices.
Complete Revalve Kits
Output Valves
Preamp Valves
Rectifier Valves
Hi-Fi and Jukebox Valves
Restore Your JCM2000
Amp Parts
Fire Up Your Amp with Our Best-Selling Tone Bottles
JJ ECC83S Preamp Valve
From £18.24
ROS-2000 PCB For Marshall JCM2000 Amps
From £264.00
JJ Valve Kit 4x ECC83S 4x EL34 II
£170.90 (ex. tax: £142.42)
JJ KT66 Singles Matched Sets
From £48.43
JJ KT88 Matched Pairs & Quads
From £104.40
Looking for a complete set of valves?
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Check out our latest customer reviews
Verified PurchaseGood quality valves delivered in good time. My go to source.
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Official dealer. Valves tested in-house. 180 day warranty.
Restore Your Marshall JCM2000
Bring your beloved amp back to life with our upgraded replacement PCB board
Available Now
Revive your amp and get rockin'!
The ROS-2000 replacement PCB board for Marshall JCM 2000 amplifiers is here.
A product of painstaking research, rigorous quality testing, and passion for Marshall's legendary rock machines, this drop-in replacement is everything you need to put your amp back in fighting form.
The ROS-2000 stays 100% faithful to the original JCM 2000 tone while improving component life and amp longevity.
Made in the UK. Rocks worldwide.
✔ Permanently Fixes Bias Drift
✔ Resolves Preamp Hum
✔ Reduces Noise
✔ Restores Tone
✔ Built to Last
Because true rockers never die
Marshall Amplification does not endorse this product. It is an entirely independently developed unit. Marshall JCM2000 is a trademark of Marshall Amplification Ltd.