G12M "Greenback" Heritage, Celestion
Celestion Heritage Series guitar speaker. The original G12M of the 1960s was Celestion's first guitar speaker to use a ceramic magnet and paved the way for high power guitar amplifiers. The G12M uses a medium weight magnet to produce a sound that is smooth and warm but bright enough to hold its own against any rock backline.
Known simply these days as the "Greenback", the G12M's fabled "brown tone" is characterised by a warm, controlled low-end, a rich, vocal mid-range and a delicate, detailed top-end. Loaded into a 4x12 and driven hard, these speakers exude warm, crunchy chords and sweet searing single-notes. When pushed into overdrive it has a colorful crunch and focused top end.
|Nominal diameter||12", 305mm|
|Nominal impedance||8Ω & 15Ω|
|Chassis type||Pressed steel|
|Voice coil diameter||1.75", 44.5mm|
|Voice coil material||Round copper|
|Magnet weight||35oz, 0.99kg|
|Resonance frequency, Fs||75Hz|
|DC resistance, Re||6.57Ω & 12.3Ω|
|Overall depth||5.1", 130mm|
|Magnet structure diameter||5.9", 150mm|
|Cut-out diameter||11.1", 283mm|
|Mounting slot dimensions||0.31", 7.9mm|
|Number of mounting slots||4|
|Mounting slot PCD||11.7", 297mm|
|Unit weight||7.9lb, 3.6kg|
|15 Ω||Weight:||9.2 lbs.|
|8 Ω||Weight:||9.2 lbs.|
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