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The Marshall 50W Plexi Small Box is a rare vintage original amplifier from the late 1960s, considered one of the most articulate Plexi models. With its compact enclosure, it offers the full, open Plexi sound for which Marshall is known, in a more portable form factor.

Classic Plexi sound with natural tube distortion
With 50 watts of power and EL34 power tubes, this amplifier delivers an organic, warm sound with transparent dynamics. Thanks to its hand-wired construction and classic Plexi circuitry, you get the full-bodied, British rock tone that defined the legendary albums of the late 60s and early 70s.

The two input channels Bright and Normal can be used individually or together to create the perfect sound – from brilliant cleans to saturated crunch and singing lead tones.

Perfect control through pure tube technology
The Small Box Plexi lacks a master volume, which allows the natural tube distortion to really shine through only at higher volumes. This makes it ideal for guitarists who want to control their sound directly via the guitar’s volume knob.

Summary: A coveted vintage Marshall for pure Plexi tone
The Marshall 50W Plexi Small Box is a timeless icon of rock music. Its hand-wired vintage design, dynamic tube distortion, and unparalleled sound richness make it one of the best Marshall amplifiers of the late 60s. A must-have for blues, rock, and hard rock guitarists looking for an authentic vintage Marshall with pure, unadulterated tube sound.

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