Shure SCM800 User Manual page 3

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 microphone- or
line-level operation, switchable 48 V phantom power, and a ¼-inch send/
receive insert jack.
FEATURES
• Compatible with Shure SCM810 and FP410 automatic micro-
phone mixers
• Adjustable EQ per channel: low-frequency rolloff and high-
frequency 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
SCM800 FRONT PANEL
1. Microphone Channel Gain Controls 1 - 8:
microphone gain.
2. Input LED 1 - 8:
Lights red at 6 dB below clipping level.
3. Low-Cut Filter 1 - 8:
adjustable low-frequency rolloff (high pass) to reduce undesirable
low-frequency signals.
4. High-Frequency Shelving Filter 1 - 8:
adjustment provides level boost or cut in mid/high frequency
region for compensation of off-axis lavalier microphones, or for
cutting the high-frequency sibilance of vocal microphones.
5. AUX Level Control: Sets the input level for aux-level equipment
connected to the adjacent ¼-inch phone jack INPUT or rear-
panel ¼-inch AUX input.
Allows adjustment of
Recessed screwdriver adjustment provides
Recessed screwdriver
DESCRIPTION
The SCM800 operates on 120 Vac power; the SCM800E operates on 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 con-
nectors to phono jacks.
• 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
• Front-panel headphones output with level control
• Peak-responding output limiter with selectable thresholds and
LED indicator
MODEL SCM800/E FRONT PANEL
FIGURE 1
6. AUX INPUT ¼-inch Phone Jack:
line-level sources, i.e., tape recorders, into output. Signal appears
at output of all linked mixers.
7. MASTER Level Control:
8. Output Level Meter:
output signal level. Last LED indicates limiter action.
9. PHONES Control and ¼-inch Phone Jack:
of mixer output through headphones. PHONES control deter-
mines headphones output level.
10. POWER LED:
3
Mixes external auxiliary- or
Determines the overall mix level.
Nine-segment LED meter indicates peak
Lights green when unit is powered.
Permits monitoring