EasyManuals Logo

Shure SCM268 User Guide

Shure SCM268
13 pages
To Next Page IconTo Next Page
To Next Page IconTo Next Page
To Previous Page IconTo Previous Page
To Previous Page IconTo Previous Page
Page #12 background imageLoading...
Page #12 background image
12
ENGLISH
SPECIFICATIONS
Measurement Conditions (unless otherwise specified): Line voltage 120 Vac, 60 Hz (SCM268) or 230 Vac, 50 Hz (SCM268E); full gain; 1 kHz, one channel
activated; source impedances: Mic 150 Ω, Aux Level 150 Ω; terminations: Line 600 Ω, Mic 600 Ω, Aux Out 10 kΩ. 12 V phantom power off.
Frequency Response (Ref 1 kHz, controls centered)
Microphone Inputs: 150 Hz to 20 Khz ±2 dB (built-in 80Hz
low-cut)
Auxiliary Inputs: 20 Hz to 20 kHz ±2 dB
Low-Cut Filter (Microphone inputs only)
3dB down at 80 Hz, 6 dB/octave
Gain (typical, controls full clockwise)
Inputs
Outputs
Total Harmonic Distortion
<0.25% at +4 dBu output level (through 22 Hz—22 kHz filter;
Input 1 and Master centered, all other controls full counter-
clockwise)
Equivalent Input Hum and Noise(150 Ω source; through 22
Hz—22 kHz filter)
124 dBV
Output Hum and Noise (through 22 Hz—22 kHz filter; chan-
nel controls full counterclockwise)
Master full counterclockwise: –92 dBV
Master full clockwise: –70 dBV
Common Mode Rejection
>80 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; Auxiliary inputs by signals up to +36 dBV
Phantom Power
12 Vdc open-circuit through 340Ω series resistance
Operating Voltage
SCM268: 100—120 Vac rated nominal, 50/60 Hz, 60 mA
SCM268E: 220—240 Vac rated nominal, 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
44 mm H x 218 mm W x 162 mm D
(1.72 x 8.60 x 6.37 inches)
Net Weight
1.20 Kg (2 lbs, 10 oz)
Certifications
SCM268: UL & cUL Listed by Underwriters Laboratories, Inc.
SCM268E: Eligible to bear CE Marking. Conforms to Euro-
pean EMC Directive 89/336/EEC. Meets applicable tests and
performance criteria in European Standard EN55103 (1996)
parts 1 and 2, for residential (E1) and light industrial (E2) en-
vironments.
Replacement Parts
Knob, Master (blue) ...............................................95B8752
Knob, Channel Gain (white)................................... 95A8752
Line (Power) Cords:
SCM268: 100-120 Vac (US/Canada)................ 95A8762
SCM268E: 220-240 Vac (EU) ........................... 95A8778
Fuse, SCM268 (5x20 mm,
250V, 80mA, slow-blow)........................................... 80A730
Fuse, SCM268E (5x20 mm,
250V, 40mA, slow-blow)............................................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
Input Output
Mic Line Aux Out
Low-impedance mic
(150 Ω)
38 dB 76 dB 65 dB
Aux Level 3 dB 40 dB 29 dB
Input Impedance
Designed for
use with
Actual
(typical)
Input
Clipping Level
Mic 19-600 Ω 1.2 kΩ –5 dBV
Aux Level
2 kΩ
21 kΩ >28 dBV
Output Impedance
Designed for
use with
Actual
(typical)
Output
Clipping Level
Mic low-Z inputs 0.2 Ω –21 dBV
Line >600 Ω 72 Ω +18 dBV
Aux Out >2 kΩ 870 Ω +7 dBV

Other manuals for Shure SCM268

Questions and Answers:

Question and Answer IconNeed help?

Do you have a question about the Shure SCM268 and is the answer not in the manual?

Shure SCM268 Specifications

General IconGeneral
Frequency range20 - 20000 Hz
Channels quantity4 channels
Digital sound processing- bit
Microphone input impedance1.2 Ω
Output impedance870 Ω
Total Harmonic Distortion (THD)0.25 %
DJ mixer-
Product colorBlack
Video capabilityNo
AC input voltage220 - 240 V
Power consumption30 mA
AC input frequency50 / 60 Hz
AUX inYes
AUX out ports1
Number of microphone inputs4

Related product manuals