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8PE21
Midrange
LF Drivers LF Nd Drivers Coaxials HF Drivers Horns
400 W continuous program power capacity
50 mm (2 in) copper voice coil
90 – 5000 Hz response
98 dB sensitivity
Shorting copper cap for extended HF response
Specification
Nominal Diameter 200 (8) mm (in)
Nominal Impedance (1) 8 Ohm
Minimum Impedence 7.2 Ohm
Nominal Power Handling (2) 200 W
Continuous Power Handling (3) 400 W
Sensitivity (1W/1m) (4) 98 dB
Frequency Range 90 - 5000 Hz
Voice Coil Diameter 50 (2) mm (in)
Winding Material Copper
Former Material Kapton
Winding Depth 9.5 (3/8) mm (in)
Magnetic Gap Depth 8 (5/16) mm (in)
Flux Density 1.25 T
Thiele & Small Parameters
Fs 87.5 Hz
Re 5.6 Ohm
Qes 0.2
Qms 3.8
Qts 0.19
Vas 13 (0.46) dm3 (ft3)
Sd 220 (34.1) cm2 (in2)
Eta Zero 4.1 %
Xmax +/- 1 mm
Xvar +/- 4.5 mm
Mms 18 g
Bl 16.6 Txm
Le 0.5 mH
Mounting and Shipping Info
Overall Diameter 225 mm (8.8 in)
Bolt Circle Diameter 210 mm (8.3 in)
Baffle Cutout Diameter 187 mm (7.4 in)
Depth 91 mm (3.6 in)
Flange and Gasket Thickness 11 mm (0.4 in)
Net Weight 4.2 kg (9.2 lb)
Shipping Weight 4.55 kg (10 lb)
Shipping Box 220x220x130 mm
(8.7x8.7x5.1 in)
1
For different impedances, please ask.
2
2 hours test made with continuous pink noise signal (6 dB crest factor).
Power calculated on rated minimum impedance.
3
Power on Continuous Program is defined as 3 dB greater than the
Nominal rating.
4
Applied RMS Voltage is set to 2.83V for 8 ohms or 2.0V for 4 ohms
Nominal Impedance