Revelator
9″ Subwoofer

Type Number: 23W/4557T02

Features:

The Revelator series has for years been celebrated for producing the best sounding electro dynamic transducers in the world. Since ScanSpeak was founded in 1970, the audio engineers and R&D experts working on the line have been on a quest to create drivers that reveal all the sound in recordings, hiding nothing from the listener. This quest has resulted in several revolutionary inventions that remove distortion in the magnet systems and in the moving parts of the speaker. The philosophy is that the sound has to be very dynamic, giving a perfect transient response and providing tonal balance.

The Revelator subwoofer is extending the new woofer aluminum cone design into deep bass reproduction, resulting in unrivaled performance.

Driver Highlights: 23W/4557T00 with black alu cone.

 

Specs:

Electrical Data

Nominal impedance

Zn

4

ohm

Minimum impedance

Zmin

--

ohm

Maximum impedance

Zo

--

ohm

DC resistance

Re

3.45

ohm

Voice coil inductance

Le

0.45

mH

Capacitor in series with x ohm

Cc

--

uF

T-S Parameters

Resonance Frequency

fs

20.5

Hz

Mechanical Q factor

Qms

4.8

Electrical Q factor

Qes

0.52

Total Q factor

Qts

0.47

Force factor

Bl

9.3

Tm

Mechanical resistance

Rms

2.7

Kg/s

Moving mass

Mms

101

g

Suspension compliance

Cms

--

mm/N

Effective cone diameter

D

--

cm

Effective piston area

Sd

232

cm2

Equivalent volume

Vas

45.6

ltrs

Sensitivity (2.83V/1m)

82

dB

Ratio BL/√(Re)

--

Ratio fs/Qts

F

--

Power handling

100h RMS noise test (IEC)

225

W

Long-term Max Power (IEC 18.3)

--

W

Max linear SPL (rms) @ power

--

dB/W

Short Term Max power (IEC 18.2)

--

W

Voice Coil and Magnet Parameters

Voice coil diameter

50

mm

Voice coil height

--

mm

Voice coil layers

--

Height of the gap

--

mm

Linear excursion +/-

13

mm

Max mech. excursion +/-

20

mm

Flux density of gap

--

mWb

Total useful flux

--

mWb

Diameter of magnet

--

mm

Height of magnet

--

mm

Weight of magnet

--

Kg



Notes:
IEC specs refer to IEC 60268-5 third edition
All ScanSpeak products are RoHS compliant

 

Frequency:23W/4557T02

Mechanical Dimensions:

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