Originals Made in Germany:
A design which has become classic by now and materials which seem to be basic but which are perfectly manufactured - thus an excellent sound is created!
Super 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 the HiFi range of high requirements.
Technical Specification
- 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
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