Shure SCM800 Eight Channel Microphone Mixer

Product Info Features Specifications Accessories

A high quality, full-featured, eight-channel mixer, the SCM800 is perfect for a wide range of applications in sound reinforcement, general audio recording and audiovisual systems. Single height rack chassis is ideal for installations with limited space, and removable header-type input and output connectors provide fast and simple microphone connection. Other features include adjustable EQ per channel, 48 V phantom power selectable for each channel, superior RF-resistant chassis and circuitry, LED indication and LED output meter, peak-responding output limiter with selectable thresholds and LED indicator, and linking capability for up to 32 microphones. 120/230 Vac power.

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 linelevel 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 1/4-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.

Compatible with Shure SCM810 and FP410 automatic microphone 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
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

Specifications

Measurement Conditions	Line voltage 120 Vac, 60 Hz; full gain; 1 kHz.
Source impedances	Mic 150 ohms, Line 150 ohms.
Terminations	Line 10 kohms, Phones 300 ohms (tip-sleeve and ringsleeve), Direct Out 10 kohms.
Frequency Response	50 Hz to 20 kHz ±2 dB; -3 dB corner at 25 Hz
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 ohms source; through 400 Hz-20 kHz filter) Equivalent Input Hum and Noise: -123 dBV (150 ohms 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 ohm series resistance per DIN 45596
Operating Voltage	120 Vac rated nominal (see Voltage Selection for 230 Vac operation), 50/60 Hz, 200 mA
Temperature Range	Operating: 0° to 60° C (32° to 140° F ) Storage: -30° to 70° C (-22° to 158° F)
Overall Dimensions	44.5 mm H x 483 mm W x 317 mm D (13/4 x 19 x 121/2 in.)
Net Weight	4.3 kg (9 lb 9 oz)
Certifications	Listed by Underwriters Laboratories, Inc.; listed as Certified by Canadian Standards Association

Extended Service Agreement: Repair Plan
	3 Year Repair Plan $ 500-$ 999 from Date of Purchase CEF Item # 750130206	$89.99	Details & Conditions
Audio - Amplifiers
	Shure RKC800 XLR Connector Kit f/SCM810 SCM800, Single Rack Space Item # 136017222	$213.99

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Shure SCM800 Eight Channel Microphone Mixer

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