THIS OPERATING MANUAL IS PROVIDED AS AN INSTALLATION AND
AS AN OPERATING AID. MIEG CORPORATION 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
INTEGRATED AMPLIFIERS
Installation Manual
and Operating Instructions
Manual
OM 333
MDM SERIES
3 Channel - VOX -MOH - Phone
and VoIP Interface
MD35M - 35 WATTS
MD60M - 60 WATTS
MD120M - 120 WATTS
IMPORTANT NOTE:
CAUTION !
TO REDUCE THE RISK OF FIRE OR ELECTRIC
SHOCK DO NOT EXPOSE THIS APPLIANCE TO
WATER, RAIN OR MOISTURE
WWW.MEMAUDIO.COMSOUND IS BEAUTIFUL
© copyright 2018 MIEG CORPORATION Specifications are subject to change without notice
REV. 1.1
MEM MDM
INTEGRATED AMPLIFIERS
DESCRIPTION AND APPLICATIONS SPECIFICATIONS
3 Channel Inputs
Wide Frequency Response
Very Low Distortion
Balanced Microphone Input
Phantom Power on MIC Input with Selector
Balanced Telephone Paging Input
VoIP Telephone paging Input
Tel and Mic Vox Sensitivity Control
Auxiliary Input With Stereo Summing
Auxiliary Input Gain
Independent Input Controls
Bass and Treble Controls
VOX - Voice Activated Muting
Direct Muting or Unmuting
12 Volt Accessory Power Output
600 ohm or 10K (VoIP) MOH Output
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:
35/ 60/ 120 Watts RMS
Less than 0.5% THD
20 - 20,000 Hz ± 2 db
Auxiliary
Microphone Balanced
Telephone Transformer Balanced
=1 Mv - 250 ohm balanced
=100 Mv - 600 ohm balanced
=200 Mv - 47K ohm
K ohm 100 Mv unbalanced
-70 db,
600 ohm Transformer balanced
600 ohm-1 Volt Transf. balanced
VoIP 10K - 1 Volt unbalanced
8 ohm, 25 Volt and 70 Volt line
AUX Volume, MIC Volume,
Telpage Volume, Bass, Treble
AUX Input Gain, MOH Level
MIC/ TEL Vox Sensitivity
On MIC Input w/internal jumper
AUX Input
+/-10 db at 100 Hz and 10 K hz
Voice Activated Muting
MIC/TEL mutes AUX Input
External Contacts
Mutes or Unmutes MIC Input only
-75 db
with Separate Output Level Control
8 ohm, 25 Volt & 70 Volt
Output Impedance
Rack Mounting with Optional Kits
UNPACKING
Immediately upon receipt of the amplifier, inspect the unit
and shipping container for indications of improper handling
or in transit damage. The equipment was carefully inspected and tested before leaving the factory. Notify the
Transportation Company immediately if any damage is
found. ONLY THE CONSIGNEE CAN FILE A CLAIM WITH
THE CARRIER FOR DAMAGE DURING SHIPMENT. Be
sure to save the carton and packing material as evidence of
damage for the shipper inspection. DO NOT SHIP the unit
back to the factory unless authorized by the factory.
IN TRANSIT DAMAGES ARE NOT COVERED BY THE
MEM WARRANTY.
Rack Mounting:
Power Requirement:
Power Consumption:
Terminations:
Housing Finish:
Dimensions:
Net Weight:
Optional Rack Kits
120 Volt, 50-60 Hz
110/ 230/ 600 VA
Phoenix Connectors, RCA Jacks
Black
12.5"W., 8.5"D., 1.75"H.
10.95 Lbs
ACCESSORIES
MRK 1 - Standard 19” Rack Mounting Kit. Black finish.
Complete with hardware
MRK 2 - Dual Amplifier 19” Rack Mounting Kit. Black finish.
Complete with hardware
MRK1 Rack Kit
MRK2 Rack Kit
PAGE 2
© copyright 2018 MIEG CORPORATION Specifications are subject to change without notice
MDM SERIES