Marshall 4001 (Studio 15)

Schematic/Layout:
Model/Circuit Number:
Years of Production: 1986-1992
Era:
Configuration: Combo
Controls: Gold aluminum front-facing, Controls: 1-10
Knobs: Standard Marshall set-screw knobs
Faceplate

• Front: Input, Gain, Treble, Middle, Bass, Output Level, Standby, Power
• Rear: Mains Input, Mains Fuse, Balanced Direct Out (floating ground), 8 ohm (speaker jack), Headphone, Direct Line Out (unbalanced)

Cabinet

• Dimensions: 17” x 18.5” x 9.5”
• Hardware: None
• Handle: Black plastic strap handle with black plastic caps
• Feet: Tall small rubber feet
• Corners: Black plastic (attached with three brass rivets) x 8

Covering Material

• Tolex/Tweed: Black elephant with white piping
• Grill Cloth: Black grill cloth

Logo: Large white plastic script Marshall
Weight: 35 lbs.
Speaker

• Size: 12”
• Impedance: 8 ohms
• Model: Celestion G12 Vintage 30

Effects: None
~Watts: 15
Tubes

• Pre amp: 12AX7 x 2
• Power: 6V6 x 2

Bias:
Rectifier: Solid state

Comments: Jim Marshall’s signature on front faceplate first Marshall amp: to use 6V6 power tubes to use Celestion Vintage 30 speaker with built-in attenuator with XLR direct out jack with headphone jack in all-tube amp