-15% Sale! SOLD

Marshall JCM900 Hi Gain Dual Reverb 4100 100 Watt All Tube Guitar Amp Head

As Good as New, never left the shop!


  • 2004 Reissue of the beloved JCM900 all-tube head
  • Incredibly powerful at 100-watts – not an amp that’s made to be played quietly
  • All-tube design and tone featuring ECC83 and Sovtek 5881 tubes
  • Series FX loop lets you switch effects pedals in and out, with true bypass operation for sonic transparency
  • Straightforward control set is all you need to craft a range amazing guitar tones
  • 2 speaker outputs for connecting extension cabinets
  • Birch-ply construction is incredibly strong and ready for life on the road

Out of stock



Legendary Rock Tones

Bring legendary Marshall tone to your rig with the JCM900 4100 guitar amplifier head. With dual channels, a shared 4-band EQ, and 100 watts of all-tube power, you’ve got an amp that is ready for any gig on any stage. This version of the Marshall JCM900 includes a series effects loop with true bypass operation – perfect for gigging musicians with lots of pedals. Step up to the professional’s choice for outrageous Marshall tone – the JCM900 4100 guitar amplifier head.

Marshall JCM900 4100 All-tube 100-watt Guitar Amplifier Head at a Glance:

  • The versatile sound of rock
  • Marshall heritage and quality
  • Add your favorite pedals with the series FX loop

The versatile sound of rock

Plug your favorite guitar into the all-tube, 100-watt JCM900 4100, hit a chord, and hold on – that tingling behind your eyeballs means you’ve tapped into the tone that shaped modern rock. The JCM900 won over tons of guitar players with its incredible versatility. Channel A goes from sparkly clean all the way up to raucous crunch and everything in between. Channel B gives you everything from crunch to soaring, saturated lead tones. Each channel on the Marshall JCM9000 features independent volume, reverb, and gain. The shared 4-band EQ lets you dial in exacting tonalities for any sound you need. The Marshall JCM900 4100 is an amazing and flexible workhorse amplifier head.

Marshall heritage and quality

Every Marshall JCM900 is made at the Marshall factory in the tonal heart of England. Time-tested, traditional methods of craftsmanship and construction are combined with the latest advances in modern manufacturing technology, ensuring world-class build quality and roadworthiness. Internally, the JCM900 circuitry and layout has been kept to a minimum, ensuring the integrity of the guitar tone and an incredibly low noise floor – this coupled with meticulous valve selection and high tolerance, quality components adds to the all-important reliability factor that is synonymous with the Marshall legend.

Add your favorite pedals with the series FX loop

Consider yourself lucky, because this JCM900 4100 sports a feature not found on the original JCM900 – a series effects loop! And thanks to true bypass operation, your slew of pedals won’t color the tone of the JCM900 4100 one bit.

Additional information


Mint Condition

Number of Channels


Total Power

100 Watt

EQ & Voicing





4, 8, 16 Ohm Mono



Preamp Tubes

2 x ECC83

Power Tubes

1 x ECC83 + 4 x 5881


1 x 6.3 mm Jack


2 x 6.3 mm Jack

Effects Loop


Footswitch I/O


Footswitch Included

On Request


310 mm


740 mm


210 mm


18.8 Kg

Manufacturer Part Number


    Hi there,

    If you want to know more about this object, please fill in the form below and submit. We'll get back to you soon.

    All the * marked field are required, by the way...

    You may also like…