Samson MDR 8 User manual

PRO
PRODUCT SPECIFICATION SHEET
MIXERS
TYPE:
MIXERS
PRODUCT DESCRIPTION
MDR 8 MIXER
SERIES CATEGORY
MDR MIXERS
2 T IN 2 T O U T
2 T T O M I X
C R M I X
M O N O O U T
C /R O O M
+P H O N E S
5
M I X /2 T
R IG H T R IG H T
A U X 2 O U T
L E F T R I G H T L E F T R I G H T
M O N O O U TA U X 1 O U T L E F T L E F T
5
0 1 0
0 1 0
L RM I XP H O N E S
C H A N N E L 1 C H A N N E L 2 C H A N N E L 3 C H A N N E L 4 C H A N N E L 5 /6
M I C /L IN E 2 M I C /L IN E 4 M I C / L IN E 5 /6 M IC /L IN E 7 / 8
C H A N N E L 7 /8
R L IN E IN R L IN E I N
H F
1 2 K
M F
2 . 5 K
1 5
1 01 0
5
1 5
5
0
L F
8 0 H z
0
1 5
1 0
5
1 5
5
0
0
1 5
1 01 0
55
1 5
L O C U T
P A N
LR
A U X 1
M O N
5
0 1 0
A U X 2
D S P
5
0 1 0
L
H F
1 2 K
M F
2 . 5 K
1 5
1 01 0
5
1 5
5
0
L F
8 0 H z
0
1 5
1 0
5
1 5
5
0
0
1 5
1 01 0
55
1 5
L O C U T
H F
1 2 K
M F
2 . 5 K
1 5
1 01 0
5
1 5
5
0
L F
8 0 H z
0
1 5
1 0
5
1 5
5
0
0
1 5
1 01 0
55
1 5
L O C U T
P A N
R
A U X 1
M O N
5
0 1 0
A U X 2
D S P
5
0 1 0
P A N
LR
A U X 1
M O N
5
0 1 0
A U X 2
D S P
5
0 1 0
L
H F
1 2 K
M F
2 . 5 K
1 5
1 01 0
5
1 5
5
0
L F
8 0 H z
0
1 5
1 0
5
1 5
5
0
0
1 5
1 01 0
55
1 5
L O C U T
H F
1 2 K
M F
2 . 5 K
1 5
1 01 0
5
1 5
5
0
L F
8 0 H z
0
1 5
1 01 0
5
1 5
5
0
0
1 5
1 01 0
55
1 5
B A L
A U X 1
M O N
A U X 2
D S P
H F
1 2 K
M F
2 . 5 K
1 5
1 01 0
5
1 5
5
0
L F
8 0 H z
0
1 5
1 01 0
5
1 5
5
B A L
LR
A U X 1
M O N
5
0 1 0
0
0
1 5
1 01 0
55
1 5
A U X 2
D S P
5
0 1 0
P A N
R
A U X 1
M O N
5
0 1 0
A U X 2
D S P
5
0 1 0
LR
5
0 1 0
5
0 1 0
1 0
5
0
1 0
5
2 0
3 0
4 0
1 0
5
0
1 0
5
2 0
3 0
4 0
1 5 1 5
1 0
5
0
1 0
5
2 0
3 0
4 0
1 0
5
0
1 0
5
2 0
3 0
4 0
1 5 1 5
1 0
5
0
1 0
5
2 0
3 0
4 0
1 0
5
0
1 0
5
2 0
3 0
4 0
1 5 1 5
1 0
5
0
1 0
5
2 0
3 0
4 0
1 0
5
0
1 0
5
2 0
3 0
4 0
1 5 1 5
1 0
5
0
1 0
5
2 0
3 0
4 0
1 0
5
0
1 0
5
2 0
3 0
4 0
1 5 1 5
1 0
5
0
1 0
5
2 0
3 0
4 0
1 0
5
0
1 0
5
2 0
3 0
4 0
1 5 1 5
1 0
5
0
1 0
5
2 0
3 0
4 0
1 0
5
0
1 0
5
2 0
3 0
4 0
1 0
5
0
1 0
5
2 0
3 0
4 0
1 5 1 5 1 5
D IG I T A L E F F E C T S
M A S T E R S E C T I O N
M A S T E R S E C T I O N
5
0 1 0
M A X I M U M D Y N A M I C R A N G E
3 0
5-2 6 6 0
+2 6
G A IN
C L IP
3 0
5-2 6 6 0
+2 6
G A IN
C L IP
3 0
5-2 6 6 0
+2 6
G A IN
C L IP
3 0
5-2 6 6 0
+2 6
G A IN
C L IP
R E C R E C R E C R E C R E C R E C
M I C /L IN E 1 M I C /L IN E 3
DIGITAL EFFECTS
DSP
BIT
24
D S P T O M O N
S E L E C T
P O W E R+4 8 V
P E A K
+6
0
-6
-1 2
-2 0
1 L A R G E H A L L
2 M E D I U M H A L L
3 L A R G E R O O M
4 V O C A L R M .
5 V O C A L R M . 2
6 C H O R U S +R E V E R B
7 C H O R U S +D E L A Y
8 S T A I R W E L L
D S P
P E A K
A U X
R E T 1
A U X / D S P
R E T 2
5
0 1 0
5
5
0 1 0
5
0 1 0
1
2
3 6
7
5
4
8
HARD
DISK
MODE
POWER PHANTOM
AC ADAPTOR
ON ON
CAUTION
RISK OF ELECTRICAL SHOCK
DO NOT OPEN
RISQUE DE SHOCK ELECTRIQUE
NE PAS OUVRIR
CAUTION: TO REDUCE THE RISK OF FIRE OR ELECTRIC SHOCK
DO NOT REMOVE BOTTOM COVER
NON SERVICEABLE PARTS INSIDE
DO NOT EXPOSE THIS EQUIPMENT TO RAIN OR MOISTURE
REFER SERVICING TO QUALIFIED PERSONNEL
SERIAL NUMBER :
MADE IN CHINA
DESIGNED AND ENGINEERED IN THE UNITED STATES BY SAMSON TECHNOLOGIES
www.samsontech.com
POWER
MAXIMUM DYNAMIC RANGE
AUX 1 RET AUX 2 RET
LRLR
GENERAL DESCRIPTION
The MDR8 is an eight channel mixer, with six low noise
microphone pre-amps, and built-in 24 BIT DSP effects
processor. The MDR8 also features HDM (Hard Disk Mode),
which when engaged, provides a special monitoring and
bussing mode ideal for interfacing with a computer based
hard disk recorder. Clean, clear sound reproduction with
dazzling digital effects including Delay, Chorus and lush
Reverb, packaged in a rugged enclosure, ensure reliable high
quality sound from performance to performance. Optimized
for recording, live sound reinforcement and commercial
installations, the MDR8 is an ideal mixer solution offering big
sound in a compact package.
FEATURES
> Eight Channels – Four Mic/Line plus two Stereo inputs
with mic pre’s.
> Flexible design topology ideal for live sound, recording and
post production.
> On-board 24 BIT DSP (Digital Signal Processor) multi-
effects processor with eight great sounding presets
including REVERB, DELAY AND CHORUS.
> Unique monitoring and bussing in HDM (HARD DISK
MODE) provides a seamless interface with computer
based, hard disk recording systems.
> 60 mm audio taper faders on all channels and the master
Mix outputs.
> 2T to Mix control allows you to mix in a CD, DAT, Cassette,
Computer Sound Card or Mini Disk with the channel faders.
> Three-band channel equalizer, +/-15dB at 80Hz, 2.5 KHz and
12KHz provides precise and musical results in sound shaping.
> Two Auxiliary Sends for built-in or external effects, on
stage monitor mix, or headphone mixing.
> Five segment LED Meter with VU ballistics displays the
main MIX output.
> High quality, low noise, discrete microphone pre-amplifiers
with 48-Volt phantom power, provide Maximum Dynamic
Range and transparent audio.
> Advanced circuit design using discrete components and
high quality, low noise op-amps carefully selected at each
stage of the signal path.
continues»
FRONT PANEL
BACK PANEL
©2006 Samson v1.0 5/06

MDR 8
PRODUCT SPECIFICATION SHEET
SERIES DESCRIP TION CATEGORY
MDR MIXER MIXERS
FEATURES (continued)
> Quality built and rugged construction ensure reliable
performance from venue to venue and session to session.
> Three-year extended warranty.
MDR 8 SPECIFICATIONS
Frequency Response (Trim @ Min, unity gain +0/-1 dB)
Mic to Main ........................ 10 Hz - 30 kHz
Line to Main ....................... 10 Hz - 30 kHz
Aux Return to Main ............. 10 Hz - 30 kHz
Line to Aux Send ................ 10 Hz - 32 kHz
T.H.D. (Trim @ Min, +4dBu output, unity gain, 1 kHz w/30 kHz LPF)
Mic/Line to Main (Mono Ch) . 0.02%
Line to Main (Stereo Ch) ...... 0.02%
Line to Aux Send ................ 0.02%
Equivalent Input Noise ("A" filter on, input shorted)
Mic .................................... -128 dB
Line ................................... -102 dB
Maximum Voltage Gain
Mic to Main ........................ 74 dB
Line to Main (Mono Ch) ....... 56 dB
Line/Tape to Main (Stereo Ch) ..20 dB
Aux Return to Main ............. 20 dB
Mic to Aux Send ................. 74 dB
Line to Aux Send (Stereo Ch) ... 34 dB
Residual Noise (30 kHz LPF, all control Min)
Main .................................. -89 dBu
Aux Send ........................... -86 dBu
Crosstalk (@ 1 kHz w/ 30 kHz LPF)
Ch vs. Ch ........................... -75 dB
Input vs. Output ................. -84 dB
Peak LED Sensitivity
(before clipping) ................. 5 dB
CLIP Indicators ................................ Turn on: THD> 0.1%
Headphone output (600 ohm load) ..... 100 mW
Maximum Input Level (1 kHz, Ch. & Mix fader set to zero)
Mic Input (Mono Ch) ........... + 11 dBu
Line Input (Stereo Ch) ......... + 27 dBu
Input Channel Equalizer (± 2dB)
High (shelving) ................... 12 kHz ±15 dB
Mid (peaking) ..................... 2.5 kHz ± 15 dB
Low (shelving) .................... 80 Hz ±15 dB
Meters ............................................ 6 POINT LED METERS (-20,
-12, -6, 0, +6dB and PEAK)
Internal DSP Effects ......................... 24 bit, - 8 Presets: 1 - Large
Hall; 2 - Medium Hall; 3- Large
Room; 4 - Vocal Room; 5-Vocal
Room 2; 6- Chorus + Reverb;
7- Chorus + Delay; 8 - Stairwell
Phantom Power ................................ +48V
Power Requirement .......................... 110V-240V, 50/60Hz
Power Consumption .......................... 24W
Dimensions (W x D x H) .................... 11 1/2" x 11 1/2" x 3 1/2"
292mm x 292mm x 89mm
Weight ............................................ 6.3 lbs. (2.9 Kg)
ARCHITECT’S & ENGINEER’S SPECIFICATIONS
The Samson MDR8 shall be an 8 input, stereo output mixer.
It shall have 4 mic channels with trim controls, HF, MF,
and LF equalizer controls, 2 aux sends, pan control and a
60mm fader. It shall have 2 mic/line stereo channels with
all the same controls as the mic channels except for the trim
control. 60mm left and right output faders will be available.
Each channel shall have a REC button which when pushed
along with the Hard Disk button in the master section allows
that channel’s output to be sent through the 2TK output
and to a computer for recording without getting a loop. A
mono output with level control shall be provided. A control
room and headphone output and level control shall also be
provided. 24 bit DSP effects shall also be provided with 8
presets. The MDR8 uses an external power supply.
292mm
89mm
292mm
292mm