Sound Performance Lab 9523 manual Specifications, Frequency range, Overall frequency range

Frequency range	15 Hz- 40 kHz +/- 0,1dB
Overall frequency range	10 Hz-100 kHz +/- 0,5 dB
E.I.N.	126,6 dBm/dBu

CMRR (common mode rejection)

(Measuring set-up: load ohms 150 W, 0dB, measured at XLR-output)

CMRR -20 dBu	CMRR -60 dBu
100 Hz:	-80 dBu-80 dBu
1kHz:	-80 dBu-80 dBu
10 kHz:	-73 dBu-80 dBu
20 kHz:	-68 dBu-80 dBu

THD & N (total harmonic distortion & noise)

(Measuring set-up: load ohms 150 W, measured at XLR-output)

Measurement A	Measurement B
Varying amplifications	60dB amplifications; increase of
up to 0dBu	generator output in 10dB steps
-60 dBu to 0 dBu = 0,064 %	-60 dBu = 0,064 %
-50 dBu to 0 dBu = 0,028 %	-50 dBu = 0,058 %
-40 dBu to 0 dBu = 0,017 %	-40 dBu = 0,018 %
-30 dBu to 0 dBu = 0,015 %	-30 dBu = 0,006 %
-20 dBu to 0 dBu = 0,062 % (-35 dB activ)	-20 dBu	= 0,002 %
-10 dBu to 0 dBu = 0,025 % (-35 dB activ)	-10 dBu	= clipping
0 dBu to 0 dBu = 0,017 % (-35 dB activ)

Signal to noise

(Measuring set-up: load ohms 150 W, measured at XLR-output)

amplification	CCIR-469-2	A unweighted
72 dB	-55,85 dBqp	-60,07 dB
60 dB	-60,66 dBqp	-69,75 dB
50 dB	-68,57 dBqp	-77,55 dB
40 dB	-73,11 dBqp	-81,75 dB
30 dB	-74,79 dBqp	-83,18 dB
with -35 dB Pad:
20 dB	-62,56 dBqp	-71,85 dB
10 dB	-69,83 dBqp	-78,68 dB

Input stage

Instrumentation amplifier, electronically balanced (differential), transformerless

Nominal input level	+6 dB
Input impedance	200 Ohm to 1,2 kOhm
headroom before clip	+25,72 dBu

Output stage

Output 1: XLR, Instrumentation amplifier, electronically balanced (differential), transformerless,

Nominal output level	+6 dB
Output 2: Jack, unbalanced
Nominal output level	0 dB
Output impedance (XLR/Jack) < 600 Ohm

Dimensions

Housing	Standard EIA 19"/1U,
	482 x 44 x 237 mm
Weight	3,2 kg

Specifications

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