Guitar amplifiers

Marshall JCM900 MkIII 2100

JCM900 MkIII 2100 guitar head with gain controls and switchable master volumes.

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Model details

Use the two master levels for rhythm and lead level changes while retaining the same basic tone. Pair it with a properly rated guitar cabinet; MkIII and later SL-X 2100 circuits should not be treated as interchangeable.

Typical uses: Rock guitar backline · Guitar reamping

Setup & compatibility

Need a complete rig? Tell us which speaker cabinet and speaker cable to include, or list the ones you’re bringing. Your quote defines the supplied setup.

Model
Marshall JCM900 MkIII 2100
Brand
Marshall
Equipment type
Guitar amplifiers
Model designation
JCM900 MkIII 2100
Format
Valve guitar head
Level control
Switchable master volumes
Nominal model output
100 W