Scanspeak Revelator 23W/4557T02
8" (20cm) subwoofer
/piece
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Description
The Revelator 23W/4557T02 is an 8" (20cm) subwoofer from Scanspeak that impresses in terms of both quality and performance. The special features of this subwoofer lie in its elaborate construction, which includes a patented symmetrically driven motor design. The ferrite magnet system is covered with rubber and the aluminum cone is black. The black anodized rigid aluminum basket and the die-cast aluminum basket under the spider are vented. With gold terminals and an impressive power handling of 225W, the Scanspeak 23W/4557T02 subwoofer offers an outstanding sound experience.
Features
- 9" (23cm) subwoofer with aluminum cone
(Black)
- Patented symmetrical drive motor design
- Rubber bead
- Ferrite magnet system with rubber coating
- Black anodized rigid aluminium basket
- Die-cast aluminum basket ventilated under the centering spider
- Gold terminals
Data
- Load capacity (nominal/music) = 225 W
- Frequency range = 20-800 Hz
- Resonant frequency fs = 21 Hz
- Impedance R = 4 Ohm
- Characteristic sound pressure level SPL = 82 dB (2.83V; 1m)
- DC resistance Re = 3.45 Ohm
- Force factor BL = 9.3 N/A
- Voice coil inductance L = 0.45 mH
- Effective diaphragm area Sd = 232 cm2
- Moved mass incl. air load mms = 101 g
- Equivalent volume Vas = 45 l
- Total outdoor quality Qts = 0.47 (Qms=4.8, Qes=0.52)
- Diameter of the voice coil = 50 mm
- Linear deflection xlin = +/- 13 mm
- Installation diameter d = 225 mm
- Outer diameter d = 255 mm
- Installation depth (not milled) t = 141 mm
Housing recommendation
- Closed box with 22 liters
- from 35/22 Hz (-3dB/-8dB)
Housing recommendation
- 89 liter BR box
- with HP70 port length 32 cm
- from 16/14 Hz (-3dB/-8dB)
Download data sheet
