Shure SCM262 manual Specifications

SPECIFICATIONS

Measurement Conditions (unless otherwise specified):Tone controls centered; Line voltage 120 Vac, 60 Hz (SCM262) or 230 Vac, 50 Hz (SCM262E); full gain; 1 kHz, one channel activated; source impedances: Mic 150 Ω; Line/Aux 40 Ω, terminations: Line/Mic/Aux 20 kΩ.

Frequency Response (Ref 1 kHz, channel and master controls centered)

MIC/LINE Inputs: 150 Hz to 20 kHz ±2 dB

AUX Inputs: 20 Hz to 20 kHz ±2 dB

Low-Cut Filter (Microphone inputs only)

3dB down at 80 Hz, 6 dB/octave

Voltage Gain (typical, controls full clockwise)

		Output
Input	Mic	Line	Aux
Low-impedance mic	32 dB	72 dB	60 dB
(150 Ω)
Line	–9 dB	31 dB	19 dB
Stereo	–5 dB	35 dB	23 dB

Inputs

	Impedance
Input	Designed	Actual	Input
	for use with	(typical)	Clipping Level
Mic (XLR)	<600 Ω	1.4 kΩ	–16 dBV
Line	<10 kΩ	155 kΩ	+24 dBV
Stereo	<2 kΩ	21 kΩ	>28 dBV

Outputs

	Impedance
Output	Designed for	Actual	Output
	use with	(typical)	Clipping Level
Mic	> 600 Ω	3 Ω	–22 dBV
Line	>5k Ω	300 Ω	+18 dBV
Aux	≥10 kΩ	1.5k Ω	+5 dBV

Total Harmonic Distortion

<0.25% at +4 dBu output level, (through 22 Hz—22 kHz filter; MIC Input 1 and Master at center, all other controls full coun- terclockwise)

Equivalent Input Hum and Noise (150 W source; 22 Hz—

22kHz) –125 dBV

Output Hum and Noise (22 Hz—22 kHz; channel controls full

counterclockwise)
Master full counterclockwise	–85 dBV
Master full clockwise	–60 dBV
Common Mode Rejection
>70 dB at 1 kHz
Polarity
All inputs to all outputs are non-inverting.

Overload and Shorting Protection

Shorting outputs, even for prolonged periods, causes no damage. Microphone inputs are not damaged by signals up to +10 dBV; Line and Aux inputs by signals up to +28 dBV

Equalization
Bass (Low-frequency shelving,
corner frequency at 250 Hz)	±6 dB
Treble (High-frequency shelving,	±6 dB
corner frequency at 4 kHz)
Ducking	–20 dB or –∞dB
Mic channels 1 and 2 Levels
Activation time	10 ms (typical)
Mic Deactivation time	2 s (typical)
Jukebox Mute Deactivation Time	30 s (typical)

Phantom Power

12 Vdc open-circuit through 680 Ω resistors

Operating Voltage

SCM262: 100—120 Vac, 50/60 Hz, 60 mA

SCM262E: 220—240 Vac, 50/60 Hz, 30 mA

Temperature Range
Operating	–7° to 49° C (20° to 120° F )
Storage	–29° to 74° C (–20° to 165° F)

Overall Dimensions

43 x 218 x 162 mm (1.72 x 8.60 x 6.37 in.)

Net Weight:1.1 kg (2 lbs, 5 oz)

Certifications

SCM262: UL, cUL listed by Underwriters Laboratories.

SCM262E: Conforms to European Union directives, eligible to bear CE marking; VDE GS-Certified to EN 60 065; meets European Union EMC Immunity Requirements (EN 50082-1: 1992, EN 50082-2: 1992)

Replacement Parts
Knob, Master (blue)	95B8752
Knob, Channel Gain (white)	95A8752
Line (Power) Cords:
SCM262: 100—120 Vac (US/Canada)	95A8762
SCM262E: 220—240 Vac (EU)	95A8778
Fuse:
SCM262 (5x20 mm, 250V,
100mA, time delay)	80B730
SCM262E (5x20 mm, 250V,
40mA, time delay)	80J258
Hardware Kit	90AF8100
Link Bars (Bracket)	53A8443
Single Mount Bracket	53A8484
Dual Mount Bracket	53B8484
Optional Accessories
Line (Power) Cord, 230—240 Vac (UK)	95A8713

Service Statement

For additional service or parts information, please contact Shure's Service department at 1-847-600-8699. Outside the United States, please contact your authorized Shure Service Center.

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