subwoofer 23w/4557t00
SUBWOOFER
23W/4557T00
The Revelator woofers and subwoofers features very rigid cones in paper or aluminium
that operates as a piston over a wide frequency range, in combination with ScanSpeaks linear suspension and the patented Symmetrical Drive (SD-1) it results in very
low distortion and a smooth and well behaved frequency response as well as perfect
transient reproduction.
KEY FEATURES:
— Patented Symmetrical Drive Motor Design
— Long Throw Surround
— Ferrite Magnet System w. Rubber Boot
T-S Parameters
Resonance frequency [fs]
— Silver Anodized Rigid Alu Cone
— Die cast Alu Chassis vented below spider
— Gold Binding Post Terminals
Electrical Data
21 Hz
Nominal impedance [Zn]
Mechanical Q factor [Qms]
4.80
Minimum impedance [Zmin]
Electrical Q factor [Qes]
0.52
Maximum impedance [Zo]
0.47
DC resistance [Re]
Total Q factor [Qts]
Force factor [Bl]
Mechanical resistance [Rms]
Moving mass [Mms]
Suspension compliance [Cms]
9.3 Tm
Voice coil inductance [Le]
4Ω
4.6 Ω
35.3 Ω
3.45 Ω
0.45 mH
2.71 kg/s
101 g
0.60 mm/N
Effective diaph. diameter [D]
172 mm
Effective piston area [Sd]
232 cm²
Power Handling
100h RMS noise test (IEC 17.1)
Long-term max power (IEC 17.3)
225 W
-W
Voice Coil and Magnet Data
Equivalent volume [Vas]
45.0 l
Voice coil diameter
50 mm
Sensitivity (2.83V/1m)
82 dB
Voice coil height
34 mm
5.01 N/√W
Voice coil layers
Ratio Bl/√Re
Ratio fs/Qts
44 Hz
Notes:
IEC specs. refer to IEC 60268-5 third edition.
All Scan-Speak products are RoHS compliant.
Data are subject to change without notice.
Datasheet updated: February 24, 2011.
Height of gap
2
8 mm
Linear excursion
± 13 mm
Max mech. excursion
± 20 mm
Unit weight
N.C. Madsensvej 1 — 6920 Videbæk — Denmark — Phone: +45 6040 5200 — www.scan-speak.dk
4.6 kg
SUBWOOFER
23W/4557T00
Advanced Parameters (Preliminary)
Electrical data:
Resistance [Re']
Mechanical Data
4.05 Ω
Force Factor [Bl]
Free inductance [Leb]
0.146 mH
Moving mass [Mms]
Bound inductance [Le]
0.823 mH
Compliance [Cms]
Semi-inductance [Ke]
0.0346 SH
Shunt resistance [Rss]
10126 Ω
Mechanical resistance [Rms]
Admittance [Ams]
N.C. Madsensvej 1 — 6920 Videbæk — Denmark — Phone: +45 6040 5200 — www.scan-speak.dk
8.30 Tm
113 g
0.395 mm/N
1.893 kg/s
0.00994 mm/N
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