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FIGURE 3: HIGH-FREQUENCY SHELVING EFFECTS
Specifications
Measurement Conditions (unless otherwise specified): Line voltage 120 Vac, 60 Hz (SCM410) or 230 Vac, 50 Hz
(SCM410E); full gain; 1 kHz, one channel activated; source impedances: Mic 150Ω ; terminations: Line/Mic Aux 10
kΩ
Voltage Gain (typical, controls full clockwise)
Input
Low-impedance mic (150
Ω )
Inputs
Input
Mic
Outputs
Output
Line
Mic
Aux
Output
Line
80 dB
Impedance
Designed for use with
19-600 Ω
Impedance
Designed for use with
≥5k Ω
≥600 Ω
≥10k Ω
Mic
40 dB
Actual (typical)
1.4 kΩ
Actual (typical)
300 Ω
3 Ω
1.5 k Ω
Shure Incorporated
Aux
68 dB
Input Clipping Level
-14 dBV
Output Clipping Level
+22 dBV
-20 dBV
+12 dBV
12/25
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