Marshall YJM100 Yngwie Malmsteen Signature Guitar Head SN0323

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Overall Excellent Condition with A/B switch, Paperwork. Looks, Works, and Sounds Amazing! Collector Owned, Never Gigged.

The Marshall YJM100 Yngwie Malmsteen Signature is a 100-watt tube amplifier head that combines the classic architecture of a 1959 Plexi with a suite of modern performance features. Developed in collaboration with Yngwie Malmsteen, it is designed to deliver "Neo-Classical" high-gain tones while offering extreme volume control for various environments.

Core Specifications
Amplifier Type: All-tube head.
Power Output: 100 Watts (RMS), switchable to 50 Watts.
Channels: 2 channels (High Treble and Normal), which can be "jumped" together.
Preamp Tubes: 4 x ECC83 (12AX7).
Power Tubes: 4 x EL34.
EQ Controls: 3-band EQ (Bass, Middle, Treble) plus a Presence control.
Speaker Impedance: 4, 8, or 16 ohms.

Special & Modern Features
Electronic Power Attenuation (EPA): An infinitely variable attenuator that reduces output from 100% down to 0.1%, allowing for cranked tube tones at bedroom levels as low as 0.05 Watts (in 50W mode).
Built-in Booster: A foot switchable boost based on Yngwie's preferred overdrive, featuring dedicated Gain and Volume controls on the rear panel.
Noise Gate: An internal gate with a rear-panel Threshold control, specifically designed to activate with the boost.
Digital Reverb: A studio-quality, specially voiced digital reverb with Level control.
Self-Biasing System: Automatically biases the power valves upon startup or tube replacement, with a visual Valve Failure indicator for each tube on the rear panel.
Effects Loop: Foot switchable series FX loop.