| Content | General
Product type
Loudspeaker Chassis
Overall diameter
309.1 mm
Pitch Circle Diameter
298.5 mm
Cut- out Measurement
282.7 mm
Diameter of fixing holes
6.1 mm
Nominal Impedance
8 Ohm(s)
Nominal Load Capacity
70 W
Sensitivity (1 W / 1 m)
100.7 dB
Frequency response
80 - 5000 Hz
Voice Coil Material
copper
Thiele & Small Parameter
Fs (Resonance Frequency)
70 Hz
Re (DC resistance)
6.47 Ohm(s)
Qms (mechanical quality)
11.46
Le (inductance of the voice coil)
0.49 mH
Qes (electrical quality)
0.45
Qts (overall quality)
0.43
Vas (equivalent volume)
71.19
BL (power factor)
13.18 T/m
Xmax (maximum displacement)
0.79 mm
Cms (elasticity of the suspension)
0.19 mm/N
Sd (membrane area)
519.5 cm²
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| 400 W continuous program power capacity |
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| 90° nominal coverage |
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| 50 – 20000 Hz response |
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| 98 dB sensitivity |
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| XO-2 dedicated crossover network |
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- Neodymium Coaxial Transducer
- 98 dB Sensitivity 1 W / 1 m
- 500 W + 80 W Power Handling
- 3" Copper Sandwich Voice Coil
- Triple Aluminum demodulating Rings
- Elliptical 80° x 60° Waveguide for precise directivity
- Single Point Source providing coherent Wave Front
- Very high SPL, superb Quaity Sound
- Optimal for compact 2-way Systems
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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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- 98 dB sensitivity 1 W / 1 m
- 500 W + 80 W Power Handling
- 3" Copper Sandwich voice Coil
- Triple Aluminum Demodulating Rings
- Single Point Source providing coherent Wave Front
- Very high SPL, superb Quality Sound
- Optimal for compact 2-way Systems
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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 |
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| 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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