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Revelator 23W/4557T00
Technical Highlights
- Leistung von 225 W, Impedanz von 4 Ohm, Frequenz: 20-800 Hz.
- Resonanzfrequenz 21 Hz, Kraftfaktor BL 9,3 N/A, SPL 82 dB.
- Aluminium-Membran 232 cm², Schwingspule 50 mm, Qts 0,47.
- More technical details
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Revelator 23W/4557T00 by Scanspeak
Discover the Revelator 23W/4557T00 from Scanspeak, an 8" (20cm) Subwoofer that impresses with its robust diaphragm made of paper or aluminum. It offers a wide operating frequency range and combines Scanspeak's linear suspension with a patented symmetrical drive for low distortion and a well-tuned frequency response. Features include a 9" (23cm) aluminum diaphragm, a patented symmetrical drive motor, a rubber surround, a ferrite magnet system, and gold terminals. With a power handling of 225 W and a frequency range of 20-800 Hz, the Subwoofer delivers excellent sound resolution.
- 9" (23cm) Subwoofer with aluminum diaphragm (Silver)
- Patented symmetrical drive motor construction
- Rubber surround
- Ferrite magnet system with rubber coating
- Black anodized rigid aluminum basket
- Aluminum die-cast basket ventilated under the centering spider
- Gold terminals
Data
- Power handling (nominal/music) = 225 W
- Frequency range = 20-800 Hz
- Resonance frequency fs = 21 Hz
- Impedance R = 4 Ohm
- Reference sound pressure 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
- Moving mass incl. air load mms = 101 g
- Equivalent volume Vas = 45 l
- Free air total quality Qts = 0.47 (Qms=4.8, Qes=0.52)
- Diameter of the voice coil = 50 mm
- Linear displacement xlin = +/- 13 mm
- Installation diameter d = 225 mm
- Outer diameter d = 255 mm
- Installation depth (not recessed) t = 141 mm
Enclosure recommendation
- sealed box with 22 liters
- from 35/22 Hz (-3dB/-8dB)
Enclosure recommendation
- 89 liters BR box
- with HP70 port of length 32 cm
- from 16/14 Hz (-3dB/-8dB)

