AL 200 DV 2x8 OHM

20 cm (8") High-End woofer with double voice-coil, stiff aluminium cone, solid aluminium die-cast basket and elastic rubber surround. Extremely low mechanical and electrical losses due to vented pole plate, vented damper and capton voice coil carrier. Fast pulse response due to light weight aluminium cone. Suitable for subwoofers, which should be connected in stereo mode.
No longer available.

Used in / Accessories:
KM 140

sketch

frequency- and impedance response

Technical Data:
Rated power	120 Watt
Maximum power	180 Watt
Nominal impedance Z	4 Ohm
Frequency response	fu - 9000 Hz
(fu: Lower cut-off frequency depending on cabinet)	.
Mean sound pressure level	88 dB (1W/1m)
Maximum cone displacement	20 mm
Resonance frequency fs	34 Hz
Magnetic induction	1,3 Tesla
Magnetic flux	930 µ Weber
Height of front pole-plate	6 mm
Voice coil diameter	38 mm
Height of winding	20 mm
Cutout diameter	190 mm
Net weight	2,5 kg
D.C. resistance Rdc	3,2 Ohm
Mechanical Q factor Qms	4,19
Electrical Q factor Qes	0,44
Total Q factor Qts	0,40
Equivalent volume Vas	68 l
Effective piston area Sd	216 cm²
Dynamically moved mass Mms	21 g
Force factor Bxl	5,95 T m
Inductance of the voice coil L	0,3 mH

radiation pattern 500 Hz

radiation pattern 1000 Hz

radiation pattern 2000 Hz

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