Marshall JCM 900 4100

High-gain dual reverb head. 100W/50W switchable power. The industry standard for rock backline.

Overview

The Marshall JCM 900 Model 4100 Dual Reverb is an industry-standard high-gain amplifier. Known for its reliability and ability to cut through dense mixes, it is a staple on riders worldwide.

Key Features:

  • Dual Channel: Channel A (Clean/Crunch) and Channel B (Lead) with independent Reverb controls.
  • Power Switching: Switchable between 100W (Pentode) and 50W (Triode).
  • Tone: Focused mid-range punch ideal for rock and punk genres.
Brand

Marshall
Model

JCM 900 4100
Amp Type

All-Valve (3 x ECC83, 4 x 5881/EL34)
Output Power

100W / 50W Switchable (4, 8, or 16 Ohms)
Inputs

1 x 1/4" Instrument, 1 x Footswitch
Outputs

2 x Loudspeaker Jacks, 1 x Direct Line Out, 1 x Recording Compensated Out
EQ

4-Band EQ (Presence, Bass, Middle, Treble)
Dimensions (H x W x D)

75.0 x 31.0 x 21.0 cm (29.5 x 12.2 x 8.3 in)
Weight

18.8 kg (41.4 lbs)