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DM303
Technical features
Nautilus
™
tweeter
Flowport
Description
2-way vented-box system
Drive units
1x ø160mm (6 in) woven fibreglass
cone bass/midrange
1x ø26mm (1 in) metal dome high-frequency
Frequency range
-6dB at 52Hz and 30kHz
Frequency response
72Hz – 20kHz ±3dB on reference axis
Dispersion
Within 2dB of response on reference axis
Horizontal: over 40° arc
Vertical:
over 10° arc
Sensitivity
88dB spl (2.83V, 1m)
Harmonic distortion
2nd and 3rd harmonics (90dB, 1m)
<1% 90Hz – 20kHz
Nominal impedance
8
(minimum 4.3 )
Crossover frequency
4kHz
Recommended
25W – 100W into 8
on
amplifier power
unclipped programme
Max. recommended
0.1
cable impedance
Dimensions
Height:
331mm (13 in)
Width:
201mm (7.9 in)
Depth:
242mm (9.5 in)
Net weight
5 kg (11 lb)
Finishes
Cabinet:
Black Ash vinyl
Maple vinyl
Grille:
Black cloth
LCR3
Nautilus
™
tweeter
Flowport
Magnetic shielding
2-way vented-box system
2x ø110mm (4.5 in) woven fibreglass
cone bass/midrange
1x ø26mm (1in) metal dome high-frequency
-6dB at 60Hz and 30kHz
80Hz – 20kHz ±3dB on reference axis
Within 2dB of response on reference axis
Horizontal:
over 40º arc
Vertical:
over 10º arc
90dB spl (2.83V, 1m)
2nd and 3rd harmonics (90dB, 1m)
<1% 70Hz – 20kHz
8
(minimum 3.3 )
4kHz
25W – 100W into 8
on
unclipped programme
0.1
Height:
152mm (6 in)
Width:
418mm (16.5 in)
Depth:
221mm (8.7 in)
5 kg (11 lb)
Cabinet:
Black Ash vinyl
Maple vinyl
Grille:
Black cloth
ASW300
Technical features
Bass Overload Suppression Circuitry
Flowport
Description
Active vented-box subwoofer system
ø200mm (8 in) paper/Kevlar
Drive unit
®
cone
Frequency range
-6dB at 23Hz and 180Hz adjustable (EQ at A)
Frequency response
-3dB 27Hz–150Hz adjustable (EQ at A)
Power output:
100W continuous
Amplifier
Input impedance:
22k
Signal / noise:
>90dB
Functions:
Output level
Low-pass filter frequency
Low-pass filter bypass
Bass roll-off alignment
Auto sense on/standby
Inputs:
Line In (RCA Phono)
Speaker level (binding
posts)
Outputs:
Line Out (RCA Phono,
high-passed)
Link Out (RCA Phono,
parallel to Line In)
Speaker level out
(high-passed)
Low-pass filter
Active 2nd-order, variable cut-off frequency
Line level: Active 3rd-order at 80Hz
High-pass filter
Speaker level: Passive 1st-order at 80Hz
(into 8
load)
Height: 405mm (16 in) including spike feet
Dimensions
Width: 330mm (13 in)
Depth: 375mm (14.8 in) including grille
and controls
15kg (33 lb)
Net weight
Black Ash Vinyl
Cabinet finish
Maple Vinyl
Black cloth
Grille
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