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TYPE:

MDR

MIXERS

PRODUCT 

DESCRIPTION

MDR1248 

12-CHANNEL MIXER WITH DSP

SERIES

  

CATEGORY

MDR MIXERS

 

MIXERS

A 12-segment LED meter with VU ballistics also displays 
the main mix output. And to make the MDR1248 even 
more versatile, we include a standard 19-inch rackmount kit.
As like all of Samson’s MDR mixers, the MDR1248 
features advanced circuit design using carefully selected 
components at each stage of the signal path, giving you 
maximum dynamic range and a transparent audio signal. 
Finally, durable construction ensures reliable performance 
from venue to venue and session to session. Optimized 
for recording, live sound reinforcement and commercial 
installations, the MDR1248 is an ideal mixer solution, 
offering big sound in a compact package.

FEATURES

12 Inputs: 4 mic/line plus 4 stereo line

24-bit Digital Effects Processor with 256 presets

3-band EQ with sweepable mids on mic/line inputs

4-band EQ on stereo channels

60mm faders

Standard 19-inch rackmount kit included

ARCHITECT’S & ENGINEER’S SPECIFICATIONS

The Samson MDR1248 shall be an audio mixer that is 
rack mountable using the included rack mount kit or it can 
be used as a tabletop audio mixer. It shall be a 12-channel 
design with 4 channels having XLR mic inputs and 4 
channels being stereo channels. The XLR Mic channels 
are equipped with 3 band EQ with sweepable mids, line 
input, insert point, mic/line trim control, 75Hz low cut 
filter, 1 aux send with pre/post switch, 1 aux send to the 
internal 24 bit DSP effects unit with 256 presets, pan, 
solo, 60mm fader and alt bus 3⁄4 routing switch. The 
stereo channels shall have 1⁄4 inch inputs with left mono 
capability, +4/-10 gain switch, 4 band fixed frequency 
EQ, 1 aux send with pre/post switch, 1 aux send to the 
internal 24 bit DSP effects unit with 256 presets, pan, 
solo, 60mm fader and alt bus 3⁄4 routing switch. The 
main section shall have 1⁄4 inch alt 3⁄4 outputs, 1⁄4 inch 
control room outputs, 1⁄4 inch main mix outputs, balanced 
XLR outputs, 60mm mix left, mix right and control room 
faders. The control room shall get its signal from the main 
mix, alt 3⁄4 mix, and the 2TK input via 3 switches. The 
main mix shall get its signal from the main mix bus, alt 
3⁄4 bus and the 2TK input via the main mix bus and 2 
switches. 12 segment metering shall be provided with 
switchable AFL/PFL modes. There shall also be LED 
indication for power and phantom power. There shall be a 
2 TK inputs on RCA jacks with level control and outputs 
on RCA jacks. There shall be an aux 1 master send level 
and aux 1 stereo return on 1⁄4 inch jacks with level 

©2008 Samson v1.0 6/08

GENERAL DESCRIPTION

Ideal for live performance installations, the MDR1248 
delivers superior audio quality and excellent value, along 
with an impressive feature set. 
The MDR1248 is a true professional 12-channel stereo 
mixer. Connecting all your microphones and instruments  
to this mixer is simple, with four mic/line inputs plus  
four additional stereo channels.
There are also dedicated stereo effects returns for the 
on-board digital effects, which are both numerous and 
impressive. The MDR1248 features 256 digital studio-
quality effects including delays, chorus, flanging and lush 
reverbs, which can be added to your vocals or instruments 
using the built-in 24-bit multi-effects processor.
The mic/line inputs feature a 3-band equalizer with 
sweepable midrange control and there is a four-band fixed 
equalizer on each of the stereo input channels. Each of 
the stereo and mono input channels have two aux sends 
for an onstage monitor mix, built-in or external effects, or 
headphone mixing. Plus, aux one can be configured as  
a pre or post fader send. 
The MDR1248’s master section includes two stereo aux 
returns and a two-track input and output for playing back 
stereo devices and for recording your mix. Clean, clear 
sound reproduction with sweet equalization and signal-
flexible routing ensure dependable and remarkable sound 
for every performance.
High-quality, discreet, low-noise mic preamps with  
48-volt phantom power and 60mm faders give users the 
best possible sound with the best possible feel.  

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