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PAGE 4

Specifications are subject to change without notice

MDM SERIES

INTEGRATED AMPLIFIERS

FRONT PANEL CONTROLS

REAR PANEL INPUTS - OUTPUTS

1

6

2

3

4

5

1) AUXILIARY Volume Control

2) MICROPHONE Volume Control

3) TELEPHONE  Volume Control

4) BASS Control

5) TREBLE Control

6) MASTER Volume Control 

1) AC Power Cord

2) Chassis Ground Screw

3) 12 Volt Accessory Power Tap

4) Speaker  Output

5) AUX Input

6) Mic Vox Circuit Off/On 

7) Tel Vox Circuit Off/On

8) MOH 10K/ 600 Ohm  (VoIP)

9) Tel Input 10K/ 600 Ohm (VoIP)

10) MOH Balanced Output 

11) Unmute/ Mute Terminal

12) Microphone Balanced Input

13) Telephone Balanced Input

Fig. 4 - Front Panel Controls

Fig. 4A - Rear Panel Inputs and Outputs

7) POWER Switch

10) POWER Indicator

8) SIGNAL LEVEL Indicator

9) PROTECT Indicator

14) AC Line Fuse

15) AUX Input Gain

16) MOH Output Level

17) MIC Vox Sensitivity

18) TEL Vox Sensitivity

RACK MOUNTING

A) Procure the optional accessory MRK1 Rack Mount Kit. Fig. 4B Optional MRK2 side by side kit. 

B) Turn amplifier up side down and remove the four rubber feet by removing the four center pins.

C) Remove three screws on each side of the amplifier holding the amplifier cover.

D) Install the rack kit brackets by using the self-tapping screws provided.

O

MD35 Integrated Amplifier

POWER

MDM SERIES RACK MOUNT

5 6

7

8

2

1

0

1 0

9

3

4

.

.

. .

.

.

.

.

.

.

.

MICROPHONE

5 6

7

8

2

1

0

1

0

9

3

4

.

.

. .

.

.

.

.

.

.

.

AUXILIARY

5 6

7

8

2

1

0

10

9

3

4

.

.

. .

.

.

.

.

.

.

.

TELEPHONE 

2

1

3

4

4

1 0

-

5

5

+

3

2

.

.

. .

.

.

.

.

.

.

.

TREBLE

BASS

2

1

3

4

4

1

0

-

5

5

+

3

2

.

.

.

.

.

.

.

.

.

.

.

Fig. 4B - MRK2 SXS Rack Kit Mounting

7

10

9

8

5 6

7

8

2

1

0

1

0

9

3

4

.

.

. .

.

.

.

.

.

.

.

MASTER

MEM

MEM

MDM

Summary of Contents for MDM SERIES

Page 1: ...UTION REV 1 1 IMPORTANT NOTE THIS OPERATING MANUAL IS PROVIDED AS AN INSTALLATION AND AS AN OPERATING AID MIEGCORPORATION and MEM AUDIO DOES NOT ASSUME ANY RESPONSIBILITY AS TO ITS ACCURACY AND SHALL NOT BE LIABLE IN TORT OR CON TRACT FOR ANY DIRECT CONSEQUENTIAL OR INCIDENTAL LOSS OR DAMAGE ARISING FROM THE INSTALLATION USE OR INABILITY TO USE THIS PRODUCT MEM MDM SERIES OM 333 MD35M 35 WATTS MD6...

Page 2: ... 25 Volt 70 Volt Output Impedance Rack Mounting with Optional Kits INTEGRATED AMPLIFIERS Power Output Distortion Frequency Response Inputs Input 1 Input 2 Input 3 Sensitivity Z Input 1 Input 2 Input 3 Hum Noise Telephone Input Music on Hold Output Output Impedance Controls Front Panel Rear Panel Phantom Power MOH Source Tone Control Action VOX Direct Muting MIC Unmuting Rack Mounting Power Require...

Page 3: ...d injury from tip over 14 Unplug this apparatus during lighting storms or when unused for long periods of time 15 Refer all servicing to qualified service person nel only Servicing is required when the apparatus has been damaged in any way such as power supply cord or plug is damaged liquid has been spilled or objects have fallen into the apparatus the apparatus has been exposed to rain or moistur...

Page 4: ... and Outputs 7 POWER Switch 10 POWER Indicator 8 SIGNAL LEVEL Indicator 9 PROTECT Indicator 14 AC Line Fuse 15 AUX Input Gain 16 MOH Output Level 17 MIC Vox Sensitivity 18 TEL Vox Sensitivity RACK MOUNTING A Procure the optional accessory MRK1 Rack Mount Kit Fig 4B Optional MRK2 side by side kit B Turn amplifier up side down and remove the four rubber feet by removing the four center pins C Remove...

Page 5: ...Y 2 SPEAKER WIRES SHORTED 3 SPEAKER S LINE INTERRUPTED 4 MICROPHONE OR PROGRAM SOURCE INTERRUPTED 1 MICROPHONE INPUTS INCORRECTLY WIRED 2 OPEN GROUND OR SHIELD IN INPUT CABLES 3 SPEAKER TERMINALS SHORTED TO CHASSIS GROUND 1 SPEAKER LINE SHORTED 2 ONE OR MORE SPEAKER OR LINE TRANSFORMER SHORTED 3 OUTPUT IMPEDANCE LOAD MISMATCHED WITH AMPLIFIER OUTPUT IMPEDANCE SETTING OVERLOAD 4 IN CONSTANT VOLTAGE...

Page 6: ...er Service phone number 1 843 819 8883 REPLACEMENT PARTS REPAIR SERVICE REPAIR SERVICE Repair service for out of warranty MEM products may be obtained form your local MEM distributor or any other qualified repair station In warranty repairs must be returned to the Factory Prior authorization must be obtained from the Factory Products received without authorization will be refused by our Receiving ...

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