ScanSpeak 23W/4557T-02, 9″ Aluminum Cone Subwoofer, Black Cone
1 at this price. Special. Normally $393.00
Same model as 23W/4557T, except with a black cone.
The Scan-speak 23W/4557T is a very high-end subwoofer, designed to be used with a passive radiator in a small enclosure. This sub has a very rigid aluminum cone, low loss rubber surround, and cast frame. The passive radiator is similar, but with a weight attached to the bass of the cone. The 23W/4557T is using the SD-1 motor system. There are gold plated binding posts and the woofer is covered by a decorative rubber cap.
The frequency response with the passive is down to 25Hz. One cubic foot sealed has an F3 of 33Hz.
TECHNICAL DATA:
Sensitivity 2.83V/1M 82 dB
Free air resonance Fs 20.5 Hz
DC resistance 3.45 ohm
V.C. inductance 0.45 mH
Power 225 W
Effective cone area 232 cm2
V.C. diameter 50 mm
VC height –
Air gap –
Lin. & max. excursion ±13 / ±20 mm
Air gap flux density –
Force factor BL Product 9.3 Tm
Moving mass incl. air 101 g
Net weight 4.6 kg
Vas 45.6 ltrs
Qms 4.8
Qes 0.52
Qts 0.47
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