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Originally created as a higher-power handling variant of the G12M Greenback, the G12-65 is widely regarded as one of the best speakers ever produced for use in a 4x12 cabinet.
With its fast attack and tightly controlled low-end, the G12-65 became a firm favourite in the ʼ80s with hard rock players. The precisely tuned midrange and crisp defined top-end contribute to an aggressive crunch sound that punches through the mix while the mid-range warmth and detail give weight and depth to single notes.
General specifications | Nominal diameter | 12“, 305mm | Power Rating | 65W | Nominal impedance | 8Ω and 15Ω | Sensitivity | 97dB | Chassis type | Pressed steel | Voice coil diameter | 1.75“, 44.5mm | Voice coil material | Rounded copper | Magnet type | Ceramic | Magnet weight | 35oz, 0.99kg | Frequency range | 80-5000Hz | Resonance frequency, Fs | 85Hz | DC resistance, Re | 6.9Ω & 11.8Ω | Mounting Information | Diameter | 12.2“, 309mm | Overall depth | 5.0“, 128mm | Magnet structure diameter | 5.7“, 145mm | Cut-out diameter | 11.1“, 283mm | Mounting slot dimensions | 0.31“, 7.9mm Ø | Number of mounting slots | 4 | Mounting slot PCD | 11.7“, 297mm | Unit weight | 12.1lb, 5.5kg |
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For use in 2-way or compact 3-way systems, the 1225 bass and mid range driver has a high sensitivity and excellent power handling characteristics.
General specifications Nominal diameter (mm/in) | 305/12 | Power Rating (AES, W rms) | 250 | Nominal impedance (Ω) | 8 | Voice coil diameter (mm/in) | 63.5/2.5 | Magnet type | Ceramic | Magnet weight (kg/oz) | 1.2/42 | Chassis type | Pressed steel | Sensitivity (dB) | 97 | Frequency range (Hz) | 40-4000 | Coil material | Round copper | Former material | Polyimide | Cone material | Kevlar loaded paper | Surround material | Cloth-sealed | Suspension | Single | Xmax (mm/in) | 2.4/0.09 | Gap depth (mm/in) | 8.0/0.31 | Voice coil winding width (mm/in) | 12.7/0.50 | Small Signal Parameters D (m/in) | 0.26/10.24 | Fs (Hz) | 63 | Mmd (g/oz) | 39.60/1.40 | Mair | | Qms | 6.70 | Qes | 0.54 | Qts | 0.50 | Re (Ω) | 5.13 | Vas (lt/ft3) | 54.5/1.92 | BI (Tm) | 13.20 | Cms (mm/N) | 0.14 | Rms (kg/s) | 2.76 | Le (mH) | | Mounting Information Overall diameter (mm/in) | 309/12.17 | Overall depth (mm/in) | 130/5.12 | Cut-out diameter (mm/in) | 283/11.14 | Mounting slot dimensions (mm/in) | Ø 7.9/0.31 | Number of mounting slots | 4 | Mounting slot PCD range (mm/in) | 297/11.69 | Unit weight (kg/lb) | 4.1/9.0 | Packed Dimensions and Weight Single pack size W x D x H (mm/in) | 330 x 330 x 150/13.0 x 13.0 x 5.9 | Single pack weight (kg/lb) | 3/6.6 | Multipack (60) size W x D x H (mm/in) | 1080 x 980 x 880/42.5 x 38.6 x 34.6 | Multipack (60) weight (kg/lb) | 190/419 |
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Originally created as a higher-power handling variant of the G12M Greenback, the G12-65 is widely regarded as one of the best speakers ever produced for use in a 4x12 cabinet.
With its fast attack and tightly controlled low-end, the G12-65 became a firm favourite in the ʼ80s with hard rock players. The precisely tuned midrange and crisp defined top-end contribute to an aggressive crunch sound that punches through the mix while the mid-range warmth and detail give weight and depth to single notes.
General specifications | Nominal diameter | 12“, 305mm | Power Rating | 65W | Nominal impedance | 8Ω and 15Ω | Sensitivity | 97dB | Chassis type | Pressed steel | Voice coil diameter | 1.75“, 44.5mm | Voice coil material | Rounded copper | Magnet type | Ceramic | Magnet weight | 35oz, 0.99kg | Frequency range | 80-5000Hz | Resonance frequency, Fs | 85Hz | DC resistance, Re | 6.9Ω & 11.8Ω | Mounting Information | Diameter | 12.2“, 309mm | Overall depth | 5.0“, 128mm | Magnet structure diameter | 5.7“, 145mm | Cut-out diameter | 11.1“, 283mm | Mounting slot dimensions | 0.31“, 7.9mm Ø | Number of mounting slots | 4 | Mounting slot PCD | 11.7“, 297mm | Unit weight | 12.1lb, 5.5kg |
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Building on the platform of the Blue, the Gold is a higher-powered, Alnico-magnet speaker that recreates the unmistakable sonic signature of a ʽwell played-inʼ original. Over time, the high frequencies of a Blue soften and become less chalky as the cone becomes more flexible – a much sought after characteristic that the Gold exhibits straight out of the box. Also present in the Gold sound from the outset is an added warmth and complexity in the midrange which, coupled with the classic Alnico qualities of a laid-back attack, rounded low end and brilliant belllike highs, deliver huge rhythm voicings and saturated vocal lead tones.
The Gold is a wonderfully expressive and revealing loudspeaker, affording guitarists an unprecedented degree of dynamic control. It has already become a favourite for many working players worldwide whether picking and bending with Brad Paisley, or rocking hard with Danny Spitz of Anthrax.
General specifications | Nominal diameter | 12“, 305mm | Power Rating | 50W | Nominal impedance | 8Ω and 15Ω | Sensitivity | 100dB | Chassis type | Pressed steel | Voice coil diameter | 1.75“, 44.5mm | Voice coil material | Round copper | Magnet type | Alnico | Frequency range | 75-5000Hz | Resonance frequency, Fs | 75Hz | DC resistance, Re | 6.4Ω & 11.8Ω | Mounting Information | Diameter | 12.2“, 309mm | Overall depth | 6.5“, 165mm | Magnet structure diameter | 5.0“, 128mm | Cut-out diameter | 11.1“, 283mm | Mounting slot dimensions | 0.31“, 7.9mm Ø | Number of mounting slots | 4 | Mounting slot PCD | 11.7“, 297mm | Unit weight | 9.3lb, 4.2kg |
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KAPPA PRO-12A Professional SeriesRecommended for professional audio in a vented mid-bass, and vented bass enclosure incorporating a high-pass filter.
Product type
Loudspeaker Chassis
Nominal Diameter
304.8 mm
Overall diameter
314.5 mm
Pitch Circle Diameter
293.8 mm
Cut- out Measurement
281.1 mm
Diameter of fixing holes
6.5 mm
Nominal Impedance
8 Ohm(s)
Nominal Load Capacity
500 W
maximum rated load
1000 W
Sensitivity (1 W / 1 m)
97.1 dB
Frequency response
57 - 2800 Hz
Voice Coil Material
copper
Depth of the magnetic gap
9.53 mm
Fs (Resonance Frequency)
37 Hz
Re (DC resistance)
5.46 Ohm(s)
Qms (mechanical quality)
6.93
Le (inductance of the voice coil)
1.22 mH
Qes (electrical quality)
0.25
Qts (overall quality)
0.24
Vas (equivalent volume)
121
BL (power factor)
17.3 T/m
Xmax (maximum displacement)
4.8 mm
Cms (elasticity of the suspension)
0.32 mm/N
Sd (membrane area)
519.5 cm²
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Building on the platform of the Blue, the Gold is a higher-powered, Alnico-magnet speaker that recreates the unmistakable sonic signature of a ʽwell played-inʼ original. Over time, the high frequencies of a Blue soften and become less chalky as the cone becomes more flexible – a much sought after characteristic that the Gold exhibits straight out of the box. Also present in the Gold sound from the outset is an added warmth and complexity in the midrange which, coupled with the classic Alnico qualities of a laid-back attack, rounded low end and brilliant belllike highs, deliver huge rhythm voicings and saturated vocal lead tones.
The Gold is a wonderfully expressive and revealing loudspeaker, affording guitarists an unprecedented degree of dynamic control. It has already become a favourite for many working players worldwide whether picking and bending with Brad Paisley, or rocking hard with Danny Spitz of Anthrax.
General specifications | Nominal diameter | 12“, 305mm | Power Rating | 50W | Nominal impedance | 8Ω and 15Ω | Sensitivity | 100dB | Chassis type | Pressed steel | Voice coil diameter | 1.75“, 44.5mm | Voice coil material | Round copper | Magnet type | Alnico | Frequency range | 75-5000Hz | Resonance frequency, Fs | 75Hz | DC resistance, Re | 6.4Ω & 11.8Ω | Mounting Information | Diameter | 12.2“, 309mm | Overall depth | 6.5“, 165mm | Magnet structure diameter | 5.0“, 128mm | Cut-out diameter | 11.1“, 283mm | Mounting slot dimensions | 0.31“, 7.9mm Ø | Number of mounting slots | 4 | Mounting slot PCD | 11.7“, 297mm | Unit weight | 9.3lb, 4.2kg |
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