Monacor SPH-210 8" HiFi bass-midrange speaker

Speaker of high power rating for all applications as bass speaker and bass-midrange speaker in high-quality 2-way or 3-way speaker systems, also to be used for replacements frequently required for older high-quality speaker systems, including Acoustic Research, Celestion, KEF and Mission. A popular choice for the original British-built Mission 700, and many others.

Technical Specifications:

Impedance (Z): 8 Ohms
Resonant frequency (fs): 28Hz
Max. frequency range: f3-4,000Hz
Rec. crossover freq. (fmax.): 3,500Hz
Music power: 100WMAX
Power rating: (P)50WRMS
SPL (1W/1m): 90dB
Suspension compl. (Cms): 1.32mm/N
Moving mass (Mms): 24.5g
Mech. resistance (Rms): 2.0kg/s
Mech. Q factor (Qms): 2.14
Electr. Q factor (Qes): 0.27
Total Q factor (Qts): 0.24
Equivalent volume (Vas): 81 l
DC resistance (Re): 6.5 ohm
Voice coil induct. (Le): 1.0mH
Voice coil diameter: 35.5mm
Voice coil former: aluminium
Voice coil winding height: 15mm
Air gap height: 8mm
Linear excursion (XMAX): 3.5mm
Eff. cone area (Sd): 210cm2
Volume displacement (Vd): 73.5cm3
Force factor (BxL): 10.3Tm
Reference efficiency (No): 0.6%
Magnet diameter: 120mm
Magnet weight: 840g
Mounting cutout: Diameter 183mm
Mounting depth: 99mm
Dimensions: Diameter 210mm
Weight: 2.42kg
Rec. net cabinet volume:
Closed: 15l
Bass-reflex: 27l