Scan Speak 18M/4631T00 revelator

€187.70
In Stock
Scan Speak

Scan Speak Revelator 18M/8631T00 High Performance Midrange 92db, 8 ohm  sliced paper Fs 65Hz, Sensitivity 89db, RMS 120w

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MIDRANGE 18M/8631T00
The Revelator midranges are well known for their sliced paper cone technology. The
slices are filled with damping glue which dramatically reduces break-up modes in the
diaphragm. In combination with Scan-Speaks low-loss linear suspension and the
patented Symmetrical Drive (SD-1) it represents a breakthrough in midrange clarity
and overall smooth frequency response characteristics.

KEY FEATURES:
· Patented Symmetrical Drive motor design
· Coated Foam Surround
· High Sensitivity 89dB @ 2,83V
· Low-loss Linear Suspension
· Sliced Cone (Control Cone Breakups)
· Rigid Titanium Voice Coil Former
T-S Parameters
Resonance frequency [fs] 65 Hz
Mechanical Q factor [Qms] 5.24
Electrical Q factor [Qes] 0.82
Total Q factor [Qts] 0.71
Force factor [Bl] 6.5 Tm
Mechanical resistance [Rms] 1.11 kg/s
Moving mass [Mms] 14.2 g
Compliance [Cms] 0.42 mm/N
Effective diaph. diameter [D] 138 mm
Effective piston area [Sd] 154 cm²
Equivalent volume [Vas] 14 l
Sensitivity (2.83V/1m) 89 dB
Ratio Bl/√Re 2.66 N/√W
Ratio fs/Qts 91.63 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: May 16. 2017
Electrical Data
Nominal impedance [Zn] 8 Ω
Minimum impedance [Zmin] 6.3 Ω
Maximum impedance [Zo] 39.7 Ω
DC resistance [Re] 6.0 Ω
Voice coil inductance [Le] 0.22 mH
Power Handling
100h RMS noise test (IEC 17.1)* 120 W
Long-term max power (IEC 17.3)* 250 W
*Filter: 2. order HP Butterworth, 100 Hz
Voice Coil & Magnet Data
Voice coil diameter 37.4 mm
Voice coil height 10.9 mm
Voice coil layers 2
Height of gap 5 mm
Linear excursion ± 3 mm
Max mech. excursion ± 14.5 mm
Unit weight 1.7 kg

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18M/8631T00 revelator

18M/8631T00 revelator

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