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The Earth Sound Research M412 is a vintage 2×12″ closed-back guitar cabinet built in Brentwood, New York during the 1970s. Despite its "M412" designation, the model features a pair of 12″ ceramic "squareback" Eminence speakers wired in series for a 16-ohm total load. Rated around 100 watts RMS, the M412 delivers the tight low-end punch and warm, mid-forward response typical of 1970s American designs, making it an excellent companion for tube heads from the same era. The cabinet's sturdy plywood construction and textured black vinyl finish reflect the robust build quality of Earth Sound Research's U.S. manufacturing period.
This example is in good condition with moderate cosmetic wear to the covering, corners, and backplate. The rear badge is intact and clearly stamped "M412 - 16 Ohms - Serial #10040." Both jacks function properly, and the cabinet measures correctly at 16 Ω. Structurally solid, fully functional, and ready for stage or studio use.
Specifications
Condition
Used, good condition with moderate cosmetic wear. Surface scuffs and edge marks are present throughout the covering, and minor oxidation is visible on the hardware. Fully tested and functional, no structural issues.
The Earth Sound Research M412 is a vintage 2×12″ closed-back guitar cabinet built in Brentwood, New York during the 1970s. Despite its "M412" designation, the model features a pair of 12″ ceramic "squareback" Eminence speakers wired in series for a 16-ohm total load. Rated around 100 watts RMS, the M412 delivers the tight low-end punch and warm, mid-forward response typical of 1970s American designs, making it an excellent companion for tube heads from the same era. The cabinet's sturdy plywood construction and textured black vinyl finish reflect the robust build quality of Earth Sound Research's U.S. manufacturing period.
This example is in good condition with moderate cosmetic wear to the covering, corners, and backplate. The rear badge is intact and clearly stamped "M412 - 16 Ohms - Serial #10040." Both jacks function properly, and the cabinet measures correctly at 16 Ω. Structurally solid, fully functional, and ready for stage or studio use.
Specifications
Condition
Used, good condition with moderate cosmetic wear. Surface scuffs and edge marks are present throughout the covering, and minor oxidation is visible on the hardware. Fully tested and functional, no structural issues.
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