El Paso Chile Company DMS 3040-40, DMS 3120-120 Cable, Three Leads Balanced Microphone Wiring

®

PROFESSIONAL AUDIO & SOUND

DIGITAL MUSIC AMPLIFIERS DIGITAL MUSIC SERIES

TM

INSTALLATION AND WIRING

INPUT 1 SETTING AS A MICROPHONE INPUT

MICROPHONE TYPE

The Microphone Input accepts Low Impedance (250-600 ohm) Dynamic Microphones. The Microphone may be a balanced output type (three wire) or an unbalanced output type (two wire).

CAUTION: TO PREVENT POSSIBLE DAMAGE TO SPEAKERS OR THE AMPLIFIER ALL INPUT CONNECTIONS MUST BE MADE WITH THE AMPLIFIER POWER OFF.

PASO MICROPHONES

All PASO low impedance Microphones have a balanced output for best performance. Connect the RED lead to terminal HOT, the WHITE lead to terminal COM and the SHIELD to terminal G.

THREE LEADS BALANCED MICROPHONE WIRING

WIRING

VOX - MUTE JUMPERS SETTING
			SW215	VOX 1 BUSS
	V1		OFF	ACTIVATED
			JUMPER
VOX SEND	V2			X
				VOX 2 BUSS OFF
			JUMPER	= JUMPER
MIC IN		AUDIO OUT
	INPUT 1
Input 1 - V1 - 01			SW220
		M1	OFF JUMPER	MUTE 1 BUSS OFF
			X
MUTE RECEIVE
		M2	X
				MUTE 2 BUSS OFF

INPUT 1 - Default Jumper Settings

The Diagram at Left shows the

Default Settings for INPUT 1.

VOX 1 is SWITCHED ON

VOX 2 is SWITCHED OFF

MUTE 1 is SWITCHED OFF

MUTE 2 is SWITCHED OFF

When the INPUT 1 (MIC 1) is activated the VOX 1 BUSS is ON and it will MUTE any Input with the MUTE 1 Setting SWITCHED ON.

250ohm 1.5mV

BALANCED

INPUT 1 (MIC)	INPUT 2 (MIC)	INPUT 3	(MIC)
G COM HOT	G COM HOT	G COM	HOT

MICROPHONE INPUT

Attach the microphone leads to the ter- minal strip as per diagrams at left.

DO NOT GROUND THE MICROPHONE CABLE SHIELD TO THE CHASSIS OF THE AMPLIFIER

BALANCED MICROPHONE

IMPORTANT NOTE: The use of an unbalanced Microphone (two leads) is not recommended. For best results in a PA Application always use a

Unidirectional Dynamic, Low Impedance, Balanced Microphone

The microphone leads color refers to Paso Microphones only.
When using other brand refer to instructions packed with that		NOTE: To change the
unit.	SHIELD
		INPUT Default Settings
MIC	WHITE	refer to the appropriate
Lo Z		section in this Manual
	RED
		3120 Micbal 01

Fig. 10 - Balanced Microphone Input 1 Wiring

TWO LEADS UNBALANCED MICROPHONE WIRING

(three leads).

UNBALANCED MICROPHONE

Attach the Microphone leads to the ter- minal strip as per diagram in Fig 8A. The cable length should not exceed: 15 Ft. (4.5 m).

CABLE

VOX - MUTE JUMPERS SETTING

	SW215	VOX 1 BUSS
V1	OFF	ACTIVATED
	JUMPER
VOX SEND		X
V2
		VOX 2 BUSS OFF
	JUMPER = JUMPER

INPUT 1 - Default Jumper Settings

The Diagram at Left shows the Default Settings for INPUT 1.

VOX 1 is SWITCHED ON VOX 2 is SWITCHED OFF MUTE 1 is SWITCHED OFF MUTE 2 is SWITCHED OFF

When the INPUT 1 (MIC 1) is activated the VOX 1 BUSS is ON

CABLE LENGTH - If the distance between the Microphone and the Amplifier Input is greater than 15 ft (4.5

m)a Balanced Microphone must be used. Use a two conductor shielded wire and connect Microphone to Amplifier as per Diagram in Fig. 10.

MICROPHONE CABLE ROUTING - The

MIC IN AUDIO OUT

INPUT 1

Input 1 - V1 - 01

SW220

OFF JUMPER

MUTE RECEIVE	M1	X
	M2	X

MUTE 1 BUSS OFF

MUTE 2 BUSS OFF

and it will MUTE any Input with the MUTE 1 Setting SWITCHED ON.

250ohm 1.5mV

BALANCED

INPUT 1 (MIC)	INPUT 2 (MIC)	INPUT 3	(MIC)
G COM HOT	G COM HOT	G COM		HOT

Microphone Cable should be carefully routed. Improper Cable routing will cause spurious oscillations, regenerative noises, hum, etc. that may permanently damage the Amplifier.

z	Do not route cable next to power
	lines.
z	Do not route cable near or over
	Fluorescent Fixtures.

	SHIELD	NOTE: To change the
		INPUT Default Settings
MIC		refer to the appropriate
Lo Z		section in this Manual
		HOT LEAD
		3120 Micunbal 01

Fig. 10A - Unbalanced Microphone Input 1 Wiring

z Do not route cable next to

Speaker Wires.

z Do not install cable inside Power

Line Conduits.

z Avoid the use of staples that may

penetrate the cable.

PAGE 10 SPECIFICATIONS ARE SUBJECT TO CHANGE WITHOUT NOTICE DMS3040/3080/3120