Tannoy B475, Руководство пользователя

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10
11. Technical Specifications
Frequency response (1) +/- 3dB 28Hz - 240Hz
Recommended Amplifier Power 400 - 800 Watt / 8
Ω
Power Handling Average (2) Programme Peak (10ms)
300 Watt 600 Watt 1200 Watt
Sensitivity (1)
2.83 volt @ 1m
98dB 101dB (half space)
Maximum SPL (3) Average Peak
@ 1m 123dB 129dB
Impedance Nominal 8
Ω
Minimum 7.8
Ω
Distortion
0.1 Full Power 2
nd
Harmonic 3
rd
Harmonic
100 Hz 0.22% 0.12%
250 Hz 0.23% 0.08%
0.01 Full Power 2
nd
Harmonic 3
rd
Harmonic
100 Hz 0.17% 0.23%
250 Hz 0.21% 0.29%
Driver Complement 1 x 18” High efficiency bass unit Type 4505
Crossover Point Active: Recommended points
70-240 Hz, 24dB/octave, Linkwitz – Riley
(dependant on application)
Enclosure 168 litre, vented, 18mm multi-ply birch plywood
Finish Textured black/grey paint
Protective Grille Black Perforated Steel, with 50% free air-flow
Connectors 2 × Speakon™ NL4MP – in/out
Fittings 8 × M10 flying inserts
2
×
Man pullback point
2 × recessed carrying handles
1
×
pole mount socket
Dimensions 577mm (H) × 556mm (W) × 650mm (D)
22.7” (H) × 21.9” (W) × 25.6” (D)
Weight 40.0 kg (88 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 operates 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