W 250 - 8 Ohm


Art. No. 9067


25 cm (10") woofer with air-dried cone and cone reinforcement. Front or rear mounting possible. Very good price/performance ratio and high power handling.

Recommended cabinets:

Volume/Principle BR-Channel fb
30 l/bass reflex BR 15.34 (11 cm lang) 46 Hz
50 l/bass reflex BR 15.34 (9 cm lang) 38 Hz
70 l/bass reflex BR 15.34 (8 cm lang) 38 Hz

 

Technical Data

Rated power 90 W
Maximum power 130 W
Nominal impedance Z 8 Ohm
Frequency response fu–6000 Hz
(fu: Lower cut-off frequency depending on cabinet) .
Mean sound pressure level 90 dB (1 W/1 m)
Excursion limit +/−10 mm
Resonance frequency fs 45 Hz
Magnetic induction 1,0 T
Magnetic flux 660 µWb
Height of front pole-plate 6 mm
Voice coil diameter 35 mm
Height of winding 12 mm
Cutout diameter 236 mm
Net weight 1,5 kg
D.C. resistance Rdc 6,8 Ohm
Mechanical Q factor Qms 3,57
Electrical Q factor Qes 1,00
Total Q factor Qts 0,78
Equivalent volume Vas 135 l
Effective piston area Sd 360 cm²
Dynamically moved mass Mms 27 g
Force factor Bxl 6,4 Tm
Inductance of the voice coil L 1,1 mH
Show all data

sketch

frequency- and impedance response