Marshall JCM900 4100 Dual Reverb Head Cabinet

Marshall JCM900 4100 Dual Reverb Head Cabinet

General Specifications

• Amplifier Type: All-Valve Guitar Head
• Series: JCM900 Vintage Reissue
• Model: 4100 Dual Reverb
• Power Output:
  • 100 Watts
  • Switchable to 50 Watts
• Channels: 2 (Channel A & Channel B)
• Technology: Valve (Tube)

Tube Complement

• Preamp Tubes:
  • 3 × ECC83 (12AX7)
• Power Amp Tubes:
  • 4 × 5881 (current reissue)
  • Many original UK models were equipped with EL34 tubes

Controls

• Channel A Gain
• Channel A Volume
• Channel A Reverb
• Channel B Lead Gain
• Channel B Volume
• Channel B Reverb
• Bass
• Middle
• Treble
• Presence

Connectivity

• 1 × 1/4″ Instrument Input
• 2 × Speaker Outputs
• Series Effects Loop with Level Control
• Footswitch Input