Page 1
MS 3 M20.02 M20.03 Audio Controller user manual...
Page 2
To get the best sound, the speaker units must be driven within the proper frequency range. This is accomplished by the cross- over in the M20.02, M20.03, and MS 3. In addition, the controller must not add distortion to the system.
Page 3
2 M 2 0. 02 , M 2 0 .0 3 , A N D MS 3 DES IGN CONCEP T The subsonic filter is a 24dB Butterworth for maximum sound quality and security.
Page 4
The sense input on the controller measures the amplifier output directly. If the signal is too high compared to the settings of the internal DIP-switches, the signal to the amplifier will be reduced. M20.02, M20.03, and MS 3...
• Connect the WHITE/ORANGE and WHITE/GREEN wires from the right channel sense input cable to the positive (+) and negative (-) terminals of the amplifier’s right channel MID FREQUENCY speaker output. (M20.03 and MS 3 only) • Connect the BROWN and GREEN wires from the right channel sense input cable to the positive (+) and negative (-) terminals of the amplifier’s right channel HIGH FREQUENCY speaker output.
Page 6
Right channel sense input brown green HIGH Right low output green brown Right high output Right Left Right input white/blue white/blue white/brown Left channel sense input white/brown white/blue white/blue Left low output Left high output 10. Left input M20.02, M20.03, and MS 3...
Page 7
F r o n t P a n e l 0 dB 0 dB 0 dB 0 dB 0 dB 0 dB LO W M ID HIGH Mach M 20.03 CO NTR OLLER LEFT RIGH T LEFT RIGH T LEFT RIGH T PO W ER Main power switch...
Page 9
M 2 0 . 0 3 L i m i t e r & E q u a l i z a t i o n S e l e c t i o n DIP-switches 1 - 6 set the limiter levels for each output channel. DIP-switches 7 and 8 set the equalization level. 1 2 3 4 5 6 M20.03 DIP-Switch Locations...
Page 10
MS 3 DIP-Switch Locations 0 = OFF DIPs 1 and 4 DIPs 2 and 5 DIPs 3 and 6 1 = ON 123456 123456 123456 MS 1262 000010 000100 MS 118 000010 DIP-switch settings, MS 3 Audio Controller M20.02, M20.03, and MS 3...
s e c t i o n 6 S P E C I F I C A T I O N S M 2 0 . 0 2 S p e c i f i c a t i o n s I N P U T •...
Page 12
MAINS CONNECTION:..................Standard IEC receptacle P H Y S I C A L • DIMENSIONS (HxWxD):..............1.75 x 19 x 5 in (44 x 482 x 128 mm) • NET WEIGHT: ........................... 2.2 kg • SHIPPING WEIGHT:......................... 3.0 kg M20.02, M20.03, and MS 3...