Product description:
Originals Made in Germany:
A design which has become classic by now and materials which seem to be basic but which are of perfect workmanship - thus allowing for an excellent sound!
HiFi bass speaker, 250WMAX, 8Ω
Paper cone with special coating, a sheet steel basket with optimised compression, perfect mass-drive ratio, a bass speaker of long excursion for HiFi applications of high requirements.
| Impedance (Z): |
8Ω
|
| Resonant frequency (fs): |
23Hz
|
| Max. frequency range: |
f3-2,500Hz
|
| Rec. crossover freq. (fmax.): |
2,000Hz
|
| Music power: |
250WMAX
|
| Power rating (P): |
125WRMS
|
| SPL (1W/1m): |
91dB
|
| Suspension compl. (Cms): |
1.31mm/N
|
| Moving mass (Mms): |
36.5g
|
| Mech. resistance (Rms): |
2.7kg/s
|
| Mech. Q factor (Qms): |
1.95
|
| Electr. Q factor (Qes): |
0.32
|
| Total Q factor (Qts): |
0.27
|
| Equivalent volume (Vas): |
199 l
|
| DC resistance (Re): |
6.2Ω
|
| Voice coil induct. (Le): |
0.9mH
|
| Voice coil diameter: |
50mm
|
| Voice coil former: |
aluminium
|
| Voice coil winding height: |
19mm
|
| Air gap height: |
8mm
|
| Linear excursion (XMAX): |
±5.5mm
|
| Eff. cone area (Sd): |
325cm2
|
| Volume displacement (Vd): |
178.8cm3
|
| Force factor (BxL): |
10.1Tm
|
| Reference efficiency (No): |
0.7%
|
| Magnet diameter: |
120mm
|
| Magnet weight: |
850g
|
| Mounting cutout: |
Ø 246mm
|
| Mounting depth: |
117mm
|
| Dimensions: |
265x265mm
|
| Weight: |
3.1kg
|
| Rec. net cabinet volume: |
|
Closed: |
35 l
|
Bass-reflex: |
70 l
|
