JCM800 Modified
Two-channel, 100W all-valve guitar amplifier head from Marshall's UK factory, built on the JCM800 design with added gain boost, mid-boost and tight switches. Aimed at guitarists who want classic JCM800 tone with extra shaping options.
- 100W all-valve head with four EL34 power valves
- Two channels sharing one set of EQ controls
- Gain boost, mid-boost and tight switches
- Treble, middle, bass and presence controls
- 2 x 1/4" speaker outputs, 16Ω / 8Ω / 4Ω selectable
- Designed, engineered and made in UK
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The JCM800 Modified is a 100-watt valve head that keeps the character of the original JCM800 and adds switchable voicing tools. It has two channels that share one set of EQ controls, with treble, middle, bass and presence knobs.
Three switches extend the amp beyond the original layout. A gain boost adds extra gain, a mid-boost lifts the mid-range for more warmth and definition, and a tight switch cuts low frequencies for a more focused sound. These cover a range from warm breakup to high-gain playing.
The power section uses four EL34 valves, with two ECC83 preamp valves and a third ECC83 as phase splitter. Two 1/4" speaker jacks are provided, with a selector for 16Ω, 8Ω or 4Ω loads. The head is designed, engineered and built in England and has a black finish.
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Sonraíochtaí
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- Marshall
- Samhail
- JCM800 Modified
- Catagóir
- Fuaim bheo › Méadaitheoirí
Audio
- Technology
- Valve
- Channels
- Two (with shared EQ controls)
- Inputs
- Signal channel with 2 separate inputs
- Controls
- Treble, middle, bass, and presence
- Switches
- Gain boost, mid-boost, tight
Power
- Output wattage
- 100W
- Preamp valves
- 2 x ECC83
- Phase splitter valve
- 1 x ECC83
- Power valves
- 4 x EL34
Outputs
- Speaker outputs
- 2 x 1/4" jack speaker outputs
- Speaker load
- Selectable 16Ω / 8Ω / 4Ω
Physical
- Weight
- 21 kg / 46.3 LB
- Width
- 741 mm / 29.2"
- Height
- 294 mm / 11.6"
- Depth
- 210 mm / 8.7"
- Colour
- Black
- Country of origin
- Designed and engineered in UK. Made in UK.