B&C Speakers 8 PL 21 Manual de usuario

5

B&C

Extremely high efficiency midrange,

2’’ aluminium voice coil with very flat

response up to 5 kHz.

Specifications

Nominal Diameter 200 mm (8 in.)

Nominal Impedance 8 Ω

Minumum Impedance 6.6 Ω

Power Handling

(90 –900 Hz)

Nominal1200 W

Continuous Program2400 W

Sensitivity (1W/1m) 99 dB

Frequency Range 90-5000 Hz

Voice Coil Diameter 50 mm (2 in.)

Winding Material Aluminium

Former Material Kapton

Winding Depth 9 mm (11/ 2 in.)

Magnetic Gap Depth 8 mm (5/16 in.)

Flux Density 1.25 T

Also available in 16 Ω, data upon request

Thiele Small Parameters4

Fs 94 Hz

Re 5.4 Ω

Qes 0.

Qms 5.5

Qts 0.29

Vas 1 dm. (0.46 cu. ft.)

Sd 220 cm.2( 4.1 sq. in.)

η0.4 %

X max ± 1 mm.

Mms 15 gr.

Bl 12.7 Tm

Le 0. mH

Mounting and Shipping Informations

Overall Diameter 225 mm. (8.8 in.)

Bolt Circle Diameter 210 mm. (8. in.)

Baffle Cutout Diameter 187 mm. (7.4 in.)

Depth 89 mm. ( .5 in.)

Flange and Gasket Thickness 9.5 mm. ( /8 in.)

Net Weight 4.4 Kg. (9.7 lb.)

Shipping Weight 4.7 Kg. (10. lb.)

Shipping Box 220x220x1 0 mm

(8.7x8.7x5.1 in.)

1 2 hours test made with continuous pink noise signal (6 dB crest factor) within the

specified range . Power calculated on rated minimum impedance. Loudspeaker in

free air.

2 Power on Continuous Program is defined as dB greater than the Nominal rating.

Applied RMS Voltage is set to 2.8 V for 8 ohms and 4V for 16 ohms Nominal

Impedance. Average SPL from 200 to 4000 Hz.

4 Thiele-Small parameters are measured after a high level 20 Hz sine wave precon-

ditioning test.

8 PL 21 |Midrange

Speakers Coaxials HF Compression drivers Horns

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