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
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JJ ECC83S Preamp Valve
From £18.24 -
JJ Fender Blues Jr Vox AC15C1 Valve Kit
From £87.18 -
ROS-2000 PCB for JCM2000 Amplifiers
From £274.80 -
JJ ECC802S Long Plate
£20.14 (ex. tax: £16.78) -
JJ Vox AC30 Revalve Kit
From £118.32
Looking for a complete set of valves?
Crank Up the Feedback
Check out our latest customer reviews
Verified PurchaseAs usual, prompt and professional service from Stewart.
Very happy to recommend.
Verified PurchaseExcellent communication and service. Will do business again and recommend to others.
Thank you
Verified PurchaseExcellent service and delivery times! Quality products and you know you’re not buying a dud. Wouldn’t buy tubes from anywhere else in the uk! Top notch!
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.