Small Signal Parameters
| D (m/in) | 0.26/10.24 |
| Fs (Hz) | 56.4 |
| Mmd (g/oz) | 54.41/1.92 |
| Mair | 6.92/0.244 |
| Qms | 2.74 |
| Qes | 0.33 |
| Qts | 0.29 |
| Re (Ω) | 5.77 |
| Vas (lt/ft3) | 51.78/1.828 |
| BI (Tm) | 19.61 |
| Cms (mm/N) | 0.13 |
| Rms (kg/s) | 7.921 |
| Le (mH) | 0.778 |
Mounting Information
| Overall diameter (mm/in) | 310/12.2 |
| Overall depth (mm/in) | 137/5.39 |
| Cut-out diameter (mm/in) | 286/11.26 |
| Mounting slot dimensions (mm/in) | 6.5/0.26 x 9.5/0.37 |
| Number of mounting slots | 8 |
| Mounting slot PCD range (mm/in) | 294/11.57 |
| Unit weight (kg/lb) | 2.6/5.7 |
Packed Dimensions and Weight
| Single pack size W x D x H (mm/in) | - |
| Single pack weight (kg/lb) | - |
| 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) | 146/321 |
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 |
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| 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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This classic guitar speaker actually started life as a radio speaker that was modified specifically for use in electric guitar amplifiers. In its original incarnation as the G12 T530 it appeared in several colour variations, but it was the Blue version, fitted as standard into Vox AC30 amps, that secured its place in guitar tone history.
The Blue found favour with notable guitarists like Brian May, due to its glorious dampened attack, warm lows, mellow upper-mids and brilliant belllike top-end. When coupled with a suitable amplifier it evokes rich definition and develops beautiful musical compression when pushed. According to tone enthusiasts worldwide, the Blue is the benchmark for guitar speaker perfection.
| General specifications |
|---|
| Nominal diameter | 12“, 305mm | | Power Rating | 15W | | 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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| 1400 W continuous program power capacity |
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| 100 mm (4 in) copper voice coil |
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| 45 – 1000 Hz response |
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| 93 dB sensitivity |
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| Double silicone spider with optimized compliance |
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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
| | Weight | 4.1 kg | 2.60 kg | 5.50 kg | 4.20 kg | 8.80 kg | 8.50 kg |
| Dimensions | N/A | N/A | N/A | N/A | N/A | N/A |
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