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!
Hi-fi bass-midrange speaker, 60 W, 8 ?

Paper cone with special coating
Rubber surround with optimised profile
Very linear radiation range free of resonance
Ideal component for modern 2-way combinations

Impedance (Z) 8 ?
Frequency rangef 3-5,000 Hz
Resonant frequency (fs) 33 Hz
Rec. crossov. frequ. (fmax.) (12 dB/oct.)
Music power (PMAX) 100 WMAX
Power rating (PRMS) 60 WRMS
Sensitivity 90 dB
Max. voltage-
Radiation angle-
Suspension compl. (Cms) 1.86 mm/N
Moving mass (Mms) 12.5 g
Mech. Q factor (Qms) 1.98
Electr. Q factor (Qes) 0.43
Total Q factor (Qts) 0.35
Equivalent volume (Vas) 48 l
DC resistance (Re) 5.7 ?
Force factor (BxL) 6 Tm
Voice coil induct. (Le) 0.5 mH
Voice coil diameter 25 mm
Voice coil former aluminium
Linear excursion (XMAX) ±2 mm
Eff. cone area (Sd) 137 cm2
Magnet weight 350 g
Magnet diameter
Mounting cutout-
Mounting depth-
Mounting hole diameter
Dimensions-
Outside diameter
Width
Height
Depth
Admiss. ambient temp.
Weight 1.2 kg

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