Part number
Dome material & size
Coil size & type
Magnet d1 x d2 x h
Magnet weight
SPL 1w @ 1m
Fs
Frequency range -3dB
Distortion at 100dB @ 1m
D.389
75mm textile
75mm aluminium
70 x 32 x 15
248 gm
93dB
500Hz
400Hz – 5kHz
typically <1%
MIDRANGE SPECIFICATIONS
FRONT TWEETER
Part number
Dome material & size
Coil size & type
Magnet d1 x d2 x h
Magnet weight
SPL 1w @ 1m
Fs
Frequency range -3dB
Upper frequency limit -10dB
Distortion at 100dB @ 1m
TOP TWEETER
Part number
Dome material & size
Coil size & type
Magnet d x h
Magnet weight
SPL 1w @ 1m
Fs
Frequency range -3dB
Upper frequency limit -10dB
Distortion at 100dB @ 1m
D.390
25mm textile
25mm aluminium
50 x 37 x 30 alnico
115 gm
92 dB
1kHz
800Hz – 40kHz
45kHz
typically <1%
D.424
25mm textile
25mm aluminium
24 x 4 neodynium
14 gm
92 dB
1kHz
800Hz – 40kHz
45kHz
typically <1%
TWEETER SPECIFICATIONS
Crossover sections
Ty p e
Wiring
Connections
Crossover points at -6dB
Bass
Bass/mid low
Bass/mid high
Midrange low
Midrange high
attentuation
Tweeter
attentuation
Super tweeter
4 way
Butterworth
Monster cable XP
Mechanical Crimp
180Hz at 12dB/oct
180Hz at 12dB/oct
700Hz at 12dB/oct
7000Hz at 12dB/oct
3.5kHz at 12dB/oct
-2dB
3.5kHz at 12dB/oct
-1.3dB
9kHz at 12dB/oct
CROSSOVER SPECIFICATIONS
Specifications 21/01/03 11:22 am Page 4