Celestion's first guitar loudspeaker featuring a ceramic magnet structure, the G12M Greenback presented almost as much magnetic flux to the voice coil as an Alnico formulation, but in a much more compact space. As a result the Greenback became the guitar loudspeaker that paved the way for use with higher power amplifiers. And, of course, the ceramic magnet presented its own unique tonal characteristics.

The Greenback has a loud and assertive character that sounds great through a valve amp pushed into overdrive. The speaker has evolved over the decades and still presents that instantly familiar woody tone, delivered with a knockout punch.

  • Chassis type Pressed steel
  • DC resistance, re Available 6.7? or 13.1?
  • Frequency range 75-5000Hz
  • Magnet type Ceramic
  • Magnet weight 35oz, 0.99kg
  • Nominal diameter 12", 305mm
  • Nominal impedance Available 8? or 16?
  • Power rating 25Wrms
  • Resonance frequency, Fs 75Hz
  • Sensitivity 98dB
  • Voice coil diameter 1.75", 44.5mm
  • Voice coil material Round copper
  • Mounting Information
  • Cut-out diameter 11.1", 283mm
  • Diameter 12.2", 309mm
  • Magnet structure diameter 5.9", 150mm
  • Mounting slot dimensions 0.31", 7.9mm Ø
  • Mounting slot PCD 11.7", 297mm
  • Number of mounting slots 4
  • Overall depth 5.1", 130mm
  • Unit weight 7.9lb, 3.6kg
SKU M-Celes-G12M
Brand Celestion
Shipping Weight 3.8000kg
Shipping Width 0.300m
Shipping Height 0.200m
Shipping Length 0.300m
Shipping Cubic 0.018000000m3

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