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

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
Frequency- and impedance response