TOA Electronics i12 - Manual (Page 12)

11. Technical Specifications
Frequency response (1) +/- 3dB 70Hz - 25kHz
45Hz - 25kHz (with Tx2 controller)
Recommended Amplifier Power 200 - 400 watt / 8 ohm
Power Handling Average(2) Programme Peak (10ms)
200 watt
400 watt 800 watt
Sensitivity (1)
2.83 volt @ 1m
97 dB
Maximum SPL (3) Average Peak
@ 1m 120 dB 126 dB
Impedance Nominal 8.0 ohm
Minimum 6.1 ohm
DI Averaged (PCQ) 8.3, 250 Hz - 16 kHz
@ 1kHz (ISO) 7.1
@ 2kHz (ISO) 9.3
@ 4kHz (ISO) 10.1
@ 8kHz (ISO) 12.6
@ 16kHz (ISO) 14.2
Q Averaged (PCQ) 9.5, 250 Hz - 16 kHz
@ 1kHz (ISO) 5.1
@ 2kHz (ISO) 8.5
@ 4kHz (ISO) 10.2
@ 8kHz (ISO) 18.2
@ 16kHz (ISO) 26.3
Distortion
0.1 Full Power 2nd Harmonic 3rd Harmonic
250 Hz 0.17% 0.14%
1000 Hz 1.00% 1.25%
10000 Hz 1.78% 0.04%
0.01 Full Power 2nd Harmonic 3rd Harmonic
250 Hz 0.08% 0.06%
1000 Hz 0.32% 0.89%
10000 Hz 0.56% 0.01%
Driver Complement 1 x 12” (300mm) Constant Directivity Dual Concentric
Type number 3142
Crossover Point Passive 1.5 kHz
2
nd order high pass, 2 nd order low pass
Halogen HF protection
Enclosure 38.7 litre vented, 15mm birch plywood (T12), MDF (i12)
Finish Textured black\grey paint
Protective Grille Perforated steel, black with 58% free air flow
Connectors 2 x Speakon NL4MPR IN/OUT
Fittings T12: 1 x Recessed carrying handle
T12: 1 x 35mm pole mounting socket
T12/i12: 8 x M8 flying inserts & 1x M8 pullback point
Dimensions 486mm(H) x 370mm(W) x 385mm(D)
19.13ins(H) x 14.57ins(W) x 15.15ins(D)
Weight 20 Kg (44 lbs)
NOTES: (1) Average over stated bandwidth. Measured at 1m on axis, in an anechoic chamber.
(2) Long term power handling capacity as defined in EIA standard RS - 426A.
(3) Unweighted pink noise input, measured at 1m
Tannoy operate a policy of continuous research and development. The introduction of new materials or manufacturing methods will always equal or exceed the
published specifications which Tannoy reserve the right to alter without prior notice.
Please verify the latest specifications when dealing with critical applications.