S/S Revelator 23W 4557T02 Diameter:255mm

Black Aluminium Cone Mid/Bass

The 23W 4557T02 produces a clean, dynamic natural sound with low distortion and a good transient response.

The ultra long throw voice coil uses aluminium wire wound onto a paper reinforced Kapton former along with Scanspeak's patent diecast aluminium chassis, allows the 23W to produce a bass response of unusual depth and precision.

Technical Data:

Frame diameter:    255mm

Sensitivity (2.83v/1m):   82dB

Nominal impedance:   4 ohm

Frequency range:   21Hz - 500Hz

Free air resonance:   21Hz

DC resistance (Re):   3.45 ohm

Voice coil inductance (Le):   0.45mH

Effective piston area (Sd):   232cm

Moving Mass (Md):   101g

Force factor (BL):   9.3Tm

Excursion (lin-max):   +/-13mm : +/-20mm

Qms:   4.8

Qes:   0.52

Qts:   0.47

Vas:   45.6L

Voice coil diameter:   50mm

Nominal power handling:   225w

Physical Sizes:

Frame diameter:   255mm

Overall depth (front of frame to rear of magnet):   142mm

Flange thickness:   6mm

Fixing holes:   10 x 5.3mm diameter on 210mm PCD(not equally spaced)

Cutout diameter:   240mm

Price per single unitexcluding VAT