MARSHALL JCM900 100W HI GAIN DUAL REVERB VALVE HEAD AMP
MARSHALL JCM900 100W HI GAIN DUAL REVERB VALVE HEAD AMP
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Condition
Good condition, plays great. The odd mark here and there as expected for a used instrument.
Overview
The Marshall JCM900 4100 is a legendary all-valve amp head that delivers raw power, high gain tones, and unmistakable Marshall character. Renowned for its tight low end, aggressive mids, and dual reverb channels, this amp became a staple on stages throughout the '90s and beyond. Whether you're chasing classic rock crunch or modern metal saturation, the JCM900 delivers the goods with that unmistakable British roar.
Specifications
- 100-watt all-valve amplifier head
- Dual reverb channels (Channel A and B)
- Four ECC83 preamp valves
- Four 5881 output valves
- Independent Volume, Reverb, and EQ controls per channel
- Presence, Bass, Middle, and Treble tone shaping
- Gain and Master Volume for each channel
- Series effects loop with send/return
- Line output with recording compensated and direct outs
- Impedance selector (4, 8, 16 ohms)
- Footswitch input (channel and reverb switching)
- Made in England
Summary
A true workhorse with iconic tone, the Marshall JCM900 4100 offers incredible versatility and volume, making it ideal for gigging musicians and tone chasers alike. Its dual channel layout and rich valve-driven sound give you everything from crystal cleans to high-gain heaven. If you’re after that authentic Marshall growl in a reliable, stage-ready format—this is the head for you.
Why Buy From Us
Why Buy From Us
✔ Every item is carefully inspected & ready to play/use
✔ Over 17,000+ positive reviews from happy customers
✔ Fast, Free UK Delivery on orders over £49.99
✔ 30-Day Hassle-Free Returns
Shipping & Delivery
Shipping & Delivery
- Free UK delivery on orders over £49.99
- Tracked, secure, and carefully packaged
- Next-day dispatch on most orders
Returns & Guarantee
Returns & Guarantee
- 30-day returns for peace of mind
- Items must be returned in the same condition as sold
- Full refunds processed quickly
- If anything isn’t right, we’ll make it right
Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.
Rated ★★★★★ by 17,000+ UK players — here’s what they’re saying:
FAQS
Shoot our team an email & we’ll get back to you ASAP
Are the items checked before shipping?
Are the items checked before shipping?
Yes. Every instrument and accessory is carefully inspected, cleaned, and securely packed so it’s ready to use straight away.
Do you offer free delivery?
Do you offer free delivery?
Orders over £49.99 qualify for free, tracked UK delivery. Under that, there is a small charge of £2.49 per order.
What is your return policy?
What is your return policy?
We offer 30-day hassle-free returns on all orders. Changed your mind? Just send it back.
Can I trade in or sell my gear?
Can I trade in or sell my gear?
Absolutely. Use our Sell/Trade service to get a free valuation and easy collection across the UK.
How quickly will I get my order?
How quickly will I get my order?
Most items ship the same or next working day. Guitars and amps are always shipped fully protected.

