ScanSpeak 18W, 8545K00 MidWoofer - Classic Range

7" 8-ohm MidWoofer. High output, 42mm voice coil with Fibreglass foil, extensively used in many OEM and DIY speakers, very even frequency response.

Air Dried Paper/Carbon Fibre cone, Scanspeak Symmetrical Motor Design, and a Low Damping SBR Rubber Surround.

Specification:

• Resonance frequency [fs] 28 Hz
• Mechanical Q factor [Qms] 5.20
• Electrical Q factor [Qes] 0.30
• Total Q factor [Qts] 0.28
• Force factor [Bl] 8.2 Tm
• Mechanical resistance [Rms] 0.69 kg/s
• Moving mass [Mms] 20.5 g
• Suspension compliance [Cms] 1.58 mm/N
• Effective diaph. diameter [D] 136 mm
• Effective piston area [Sd] 145 cm²
• Equivalent volume [Vas] 46.4 l
• Sensitivity (2.83V/1m) 87.5 dB
• Ratio Bl/√Re 3.50 N/√W
• Ratio fs/Qts 99 Hz

Electrical Data:

• Nominal impedance [Zn] 8 Ω
• Minimum impedance [Zmin] 6.6 Ω
• Maximum impedance [Zo] 101 Ω
• DC resistance [Re] 5.5 Ω
• Voice coil inductance [Le] 0.4 mH

Power Handling:

• 100h RMS noise test (IEC 17.1) 100 W
• Long-term max power (IEC 17.3) - W

Voice Coil and Magnet Data:

• Voice coil diameter 42 mm
• Voice coil height 19 mm
• Voice coil layers 2
• Height of gap 6 mm
• Linear excursion ± 6.5 mm
• Max mech. excursion ± 10 mm
• Unit weight 2.3 kg

PRICE (1 off)
£144.00 +vat +p&p