Scanspeak 12W-4524G00 User Manual [ru]
MIDWOOFER 12W/4524G00
The Discovery series offer traditional design, superior sound, a solid construction, and
a wide range of variants. Combining these elements - plus a wealth of technical
features and finesses - it gives our customers the possibility of acquiring a tailor-made
Scan-Speak solution with very good performance at a reasonable low price point!
KEY FEATURES:
· Wide Operating Frequency Range
· Coated NRSC Fibre Glass Cone (patent)
· Die cast Alu Chassis vented below spider
· Suitable for 2-way or 3-way (as midrange)
· Low Damping SBR Rubber Surround
T-S Parameters
Resonance frequency [fs] 50 Hz
Mechanical Q factor [Qms] 3.35
Electrical Q factor [Qes] 0.30
Total Q factor [Qts] 0.27
Force factor [Bl] 4.4 Tm
Mechanical resistance [Rms] 0.57 kg/s
Moving mass [Mms] 6.1 g
Suspension compliance [Cms] 1.67 mm/N
Effective diaph. diameter [D] 86 mm
Effective piston area [Sd] 59 cm²
Equivalent volume [Vas] 8.2 l
Sensitivity (2.83V/1m) 88.8 dB
Ratio Bl/√Re 2.50 N/√W
Ratio fs/Qts 185 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 22, 2011.
Electrical Data
Nominal impedance [Zn] 4 Ω
Minimum impedance [Zmin] 3.9 Ω
Maximum impedance [Zo] 30.8 Ω
DC resistance [Re] 3.1 Ω
Voice coil inductance [Le] 0.4 mH
Power Handling
100h RMS noise test (IEC 17.1) 40 W
Long-term max power (IEC 17.3) 70 W
Voice Coil and Magnet Data
Voice coil diameter 25 mm
Voice coil height 10 mm
Voice coil layers 2
Height of gap 4 mm
Linear excursion ± 3 mm
Max mech. excursion ± 9 mm
Unit weight 1 kg
N.C. Madsensvej 1 · 6920 Videbæk · Denmark · Phone: +45 6040 5200 · www.scan-speak.dk
MIDWOOFER 12W/4524G00
Advanced Parameters (Preliminary)
Electrical data:
Resistance [Re'] 3.14 Ω
Free inductance [Leb] 0.0528 mH
Bound inductance [Le] 0.781 mH
Semi-inductance [Ke] 0.0498 SH
Shunt resistance [Rss] 19548 Ω
Mechanical Data
Force Factor [Bl] 4.25 Tm
Moving mass [Mms] 6.27 g
Compliance [Cms] 1.43 mm/N
Mechanical resistance [Rms] 0.174 kg/s
Admittance [Ams] 0.286 mm/N
N.C. Madsensvej 1 · 6920 Videbæk · Denmark · Phone: +45 6040 5200 · www.scan-speak.dk
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