Shure SCM800, SCM800E Specification Sheet
SCM800/SCM800E Microphone Mixers
SCM800/SCM800E EIGHT-CHANNEL MICROPHONE MIXER
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LINK
OUT
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AUX/INS/INS
LINK
IN
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(SWITCH)
LINE
OUTPUT
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INSERT
AUX IN
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MIC/PHM/LINE
SWITCH
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INSERT
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0
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120VAC 50/60 Hz 200mA
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SYSTEM FEATURES
The Shure Model SCM800 is a full-featured, eight-channel microphone mixer for sound reinforcement, general audio recording, and
audio-visual systems. Any low-impedance, balanced dynamic or
condenser microphone, including a wireless microphone system,
can be used with the SCM800 mixer.
Each SCM800 accepts up to eight microphone- or line–level inputs
and one aux-level input (two input jacks feed the same channel). Up
to four SCM800 mixers can be linked to provide up to 32 input channels. Each input channel has a two-band equalizer, switchable mi-
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MIC/PHM/LINE
SWITCH
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INSERT
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MIC/PHM/LINE
SWITCH
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AUX
INSERT
INPUT
MIC/PHM/LINE
SWITCH
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INSERT
MIC/PHM/LINE
SWITCH
crophone- or line-level operation, switchable 48 V phantom power,
1
and a
/4-inch send/receive insert jack.
The SCM800 operates on 120 Vac power; the SCM800E operates
230 Vac power. Both models are supplied with rack-mounting hardware, link cable and removable block terminal connectors. An accessory rack panel adapter (Model RKC800, available separately)
converts the removable block input and output connectors to XLR
connectors, and the Aux connectors to phono jacks.
Specification Sheet
SCM800
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+20
MASTER
MIC/PHM/LINE
SWITCH
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+
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LIMITER
INSERT
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MIC/PHM/LINE
SWITCH
Ć
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POWER
PHONES
INSERT
MIC/PHM/LINE
SWITCH
123456
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FEATURES
• Compatible with Shure SCM810 and FP410 automatic micro-
phone mixers
• Adjustable EQ per channel: low-frequency rolloff and high-fre-
quency shelving
• 48 V phantom power selectable for each input
• Active balanced microphone- and line-level inputs and line-level
output
• Highly RF-resistant chassis and circuitry
• LED indication of channel clipping
• Linking capability for systems up to 32 microphones
• Two Aux-level input jacks that feed one channel
• Insert jack on each channel
• Manual mixing of input channels
• Internal Modification permits 230 V operation (SCM800) or 120 V
operation (SCM800E)
• Front-panel headphones output with level control
• Peak-responding output limiter with selectable thresholds and
LED indicator
E2002, Shure Incorporated
TL1030(BH)
MODEL M367 AND M367E MICROPHONE MIXERS
SPECIFICATIONS
Measurement Conditions (unless otherwise specified):
Line voltage 120 Vac, 60 Hz (SCM800) or 230 Vac, 50 Hz
(SCM800E); full gain; 1 kHz.
Source impedances: Mic 150
Ω, Line 150 Ω.
Terminations: Line 10 kΩ, Phones 300 Ω (tip-sleeve and ringsleeve), Direct Out 10 k
Ω.
Equalization controls adjusted for flat response, Channel 1 gain control full clockwise, other gain controls full counterclockwise
Frequency Response (Ref .1 kHz, channel controls centered)
50 Hz to 20 kHz ±2 dB; -3 dB corner at 25 Hz
Voltage Gain (typical, controls full clockwise)
Output
Input Line Head-
Low-impedance
mic (150 Ω)
Line 40 dB 48 dB –6 dB
Aux 44 dB 52 dB —
Send/Return 20 dB 28 dB —
80 dB 88 dB 34 dB
phones
Direct Out
Inputs
Impedance
Input
Mic 19-600 Ω 10 kΩ -15 dBV
Line
Aux
Send/Return
Designed
for use with
≤2 kΩ
≤2 kΩ
≤2 kΩ
Actual
(typical)
10 kΩ +22 dBV
10 kΩ +22 dBV
10 kΩ +18 dBV
Input
Clipping Level
Outputs
Impedance
Output
Line >600 Ω 60 Ω +18 dBV
Headphones 8-200 Ω,
Direct Out >2 kΩ 1 kΩ +18 dBV
Send/Return >2 kΩ 1 kΩ +18 dBV
Designed
for use with
60 Ω recom-
mended
Actual
(typical)
300 Ω +12 dBV
Output
Clipping Level
Total Harmonic Distortion
<0.1% at +18 dBV output level, 50 Hz to 20 kHz (through 20 Hz-20
kHz filter; Input 1 and Master at 5, all other controls full counterclockwise)
Hum and Noise
Equivalent Input Noise: -125 dBV (150 Ω source; through
400 Hz–20 kHz filter)
Equivalent Input Hum and Noise: -123 dBV (150 Ω source;
through 20 Hz - 20 kHz filter)
Output Hum and Noise (through 20 Hz to 20 kHz filter; channel
controls full counterclockwise):
Master full counterclockwise: -90 dBV
Master full clockwise: -62 dBV
Common Mode Rejection
>70 dB at 1 kHz
Polarity
Mic/Line, Send inputs to all outputs are non-inverting; Aux input to
all outputs is inverting
Overload and Shorting Protection
Shorting outputs, even for prolonged periods, causes no damage.
Microphone inputs are not damaged by signals up to 3 V; Line and
Monitor inputs by signals up to 20 V
Equalization
Low-frequency: 6 dB/octave cut, adjustable corner from 25.
to 320 Hz
High-frequency: ±6 dB at 5 kHz, ±8 dB at 10 kHz, shelving
Limiter
Type: Peak
Threshold: Switchable: off, +4, +8, +16 (dBm at output)
Attack Time: 2 ms
Recovery Time: 300 ms
Indicator: Lights red when limiting occurs
Input LEDs
Light at 6 dB below clipping
Phantom Power
46 Vdc open-circuit through 6.8 k
596
Operating Voltage
SCM800: 120 Vac rated nominal (see Voltage Selection
for 230 Vac operation), 50/60 Hz, 200 mA
SCM800E: 230 Vac rated nominal (see Voltage Selection
for 120 Vac operation), 50/60 Hz, 100 mA
Temperature Range
Operating: 0
Storage: -30
Overall Dimensions
44.5 mm H x 483 mm W x 317 mm D (1
Net Weight
4.3 kg (9 lb 9 oz)
Certifications
SCM800: Listed by Underwriters Laboratories, Inc.; listed as Certified by Canadian Standards Association
SCM800E: Conforms to European Union directives; eligible to
bear CE marking; VDE GS-Certified to EN 60950;
EU EMC Immunity Requirements: EN50082-1
REPLACEMENT PARTS
Knob, Channel Gain & Phones (white) 95A8238. . . . . . .
Knob, Master (blue) 95B8238. . . . . . . . . . . . . . . . . . . . . . . .
Line (Power) Cord (SCM800) 95A8389*. . . . . . . . . . . . . .
Line (Power) Cord (SCM800E) 95A8247*. . . . . . . . . . . . .
Link Cable 95A8889. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Three -Terminal Block Connector 95A8580. . . . . . . . . . . .
Specification Sheet
Ω series resistance per DIN 45
° to 60° C (32° to 140° F )
° to 70° C (-22° to 158° F)
3
/4 x 19 x 121/2 in.)
2
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