Marshall JCM900 4100 100W Valve Head
Marshall - JCM900 4100 2-Channel All Valve Guitar Amplifier Head with Effects Loop
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Finance this product
- From £33.81 / month (APR 16.9%) for 48 months or 0% for 4 months
- With a 10% deposit from just £29.95 / month (APR 15.9%)
- SCANPROTECT Protect against installation damage for 28 days.
JCM900 4100 100W 2-Channel All Valve Amp Head
Ultimate Marshall ToneThis two channel dual reverb 100W Marshall powerhouse will certainly make you stand out on stage. As a stylish reissue, the Marshall JCM®900 4100 is the evolution of the JCM800. Featuring an extra channel, two reverb options and two gain features. This amp is built to go on the road and be on the stage with a sound loud enough to fill giant stadiums.
100WPower
4 x 5881Power Amp Valves
3 x ECC83/12AX7Preamp Valves
at a glance
• 2-channel 100 watt all valve amplifier head
• 3 x ECC83/12AX7 Preamp valves
• 4 x 5881 Power amp valves
• Effects loop built-in
• Signature Marshall tone
Classic Marshall Sound with Added Versatility
CRANK IT UPThe high and low power options allow you to change between 50W and 100W of power.
GAIN A LITTLEEach of the two channels has its own gain and volume settings so that you can crank the gain in the preamp and the volume and get the true loud Marshall crunch.
TWICE THE FEATURESThis amp has two footswitchable channels, one clean and glistening another with grit and distortion. It has two reverb settings for each channel so you can dial in the reverb ready to perform.
A SERIES OF FXA series FX loop for is for those pedal lovers. Adapt your sound by adding in the FX you like best.
JCM900 4100 | Official Demo | Marshall

The Tech Spec
| Features | Specification | Amplifier Type | Tube |
|---|---|
| Number of Channels | 2 |
| Total Power | 100W |
| Preamp Tubes | 3 x ECC83/12AX7 |
| Power Tubes | 4 x 5881 |
| Reverb | Yes |
| EQ | 3-band EQ, Presence |
| Inputs | 1 x 1/4" |
| Outputs | 2 x 1/4" (speaker out), 2 x 1/4" (direct, compensated) |
| Effects Loop | Yes |
| Footswitch I/O | 1 x 1/4" (channel, reverb) |
| Footswitch Included | Yes, 2-button footswitch |
| Bias Type | Adjustable Fixed |
| Construction Material | Black Tolex |
| Power Source | Standard IEC AC cable |
| Dimensions | Width: 29.5" Height: 12.2" Depth: 8.6" |
| Weight | 41.5 lbs. |
PayPal Credit
| Monthly Payment: | £108.63 |
| Instalment Rate: | 16.9% p.a. (fixed) |
| Cost of purchase: | £1,199.00 |
| Total inc. interest: | £1,303.50 |
| Monthly Payment: | £58.55 |
| Instalment Rate: | 16.9% p.a. (fixed) |
| Cost of purchase: | £1,199.00 |
| Total inc. interest: | £1,405.04 |
| Monthly Payment: | £41.99 |
| Instalment Rate: | 16.9% p.a. (fixed) |
| Cost of purchase: | £1,199.00 |
| Total inc. interest: | £1,511.47 |
| Monthly Payment: | £33.81 |
| Instalment Rate: | 16.9% p.a. (fixed) |
| Cost of purchase: | £1,199.00 |
| Total inc. interest: | £1,622.65 |
| Example | |
| Minimum Spend: | £99 |
| Instalment Rate: | N/A |
| Cost of purchase: | £99 |
| Total inc. interest: | £99 |
Representative Example:
Purchase Rate: 23.9% p.a. (variable)
Representative: 23.9% APR (variable)
Assumed Credit Limit: £1,200
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