B&C Zvučnik 8PS21

B&C Zvučnik 8PS21 :

B&C 8PS21 8" 200W 8 Ohms Loudspeaker Driver (Faston)

Design Features:

Surround shape Double Roll
Cone shape Exponential
Magnet material Ceramic
Spider Single
Pole design T-Pole
Woofer cone treatment None
Recommended enclosure 14.0 dm3 (0.49 ft3)
Recommended tuning 73 Hz

Specifications:

Nominal diameter 200 mm (8.0 in)
Nominal impedance 8 Ohms
Minimum impedance 7.0 Ohms
Nominal power handling * 200 W
Continuous power handling * 400 W
Sensitivity (1W/1m) * 94.0 dB
Frequency range 70 - 3000 Hz
Voice coil diameter 50 mm (2.0 in)
Winding material Copper
Former material Kapton
Winding depth 16 mm (0.62 in)
Magnetic gap depth 8 mm (0.31 in)
Flux density 1.1 T

Parameters:

Fs 73 Hz
Re 5 Ohms
Qes 0.36
Qms 4.2
Qts 0.33
Vas 14.0 dm3 (0.49 ft3)
Sd 220.0 cm2 (34.1 in2)
Reference Efficiency 1.5 %
Xmax 5.0 mm
Xvar 4.0 mm
Mms 23 g
Bl 12.6 Txm
Le 0.5 mH
EBP 202 Hz

Mounting, Shipping and Dimensional Data:

Overall diameter 225 mm (8.8 in)
Bolt circle diameter 210 mm (8.3 in)
Baffle cutout diameter 187.0 mm (7.4 in)
Depth 91 mm (3.6 in)
Flange and gasket thickness 11 mm (0.4 in)
Air volume occupied by driver 1.2 dm3 (0.04 ft3)
Net weight 3.4 kg (7.5 lb)
Shipping weight 3.7 kg (8.1 lb)
Shipping box 220x220x130 mm (8.7x8.7x5.1 in)