QSC Audio CX Series VII. Specifications, Frequency Response, Damping Factor, Output Regulation

VII. Specifications

		CX4	CX4T	CX6	CX6T	CX12	CX12T
POWER OUTPUT
Direct output, watts per channel,
both channels driven
8Ω	, 20 Hz–20 kHz, 0.1% THD	150		200		400
8Ω , 45 Hz–20 kHz, 0.1% THD**			150		200		400
8Ω	, 1 kHz, 1% THD	170	170	220	220	475	475
4Ω	, 20 Hz–20 kHz, 0.1% THD	225		300		600
4Ω , 45 Hz–20 kHz, 0.1% THD**			225		300		600
4Ω	, 1 kHz, 1% THD	270	270	350	350	700	700
2Ω	, 1 kHz, 1% THD*	350	350	450	450	900	900
Isolated outputs, watts per channel,
both channels driven
70V or 100V, 45 Hz–16 kHz, 0.25% THD**			175		250		500
25V, 45 Hz–16 kHz, 0.25% THD**			150		200		400
Direct Outputs, bridged mono
8Ω 20 Hz–20 kHz, 0.1% THD		450		600		1200
8Ω , 45 Hz–20 kHz, 0.1% THD**			450		600		1200
4Ω	, 1 kHz, 1% THD*	700	700	900	900	1800	1800
Isolated outputs, bridged mono
50V, 45 Hz–16 kHz, 0.25% THD**			300		400		800
140V, 45 Hz–16 kHz, 0.25% THD**			350		500		1000
200V, 45 Hz–16 kHz, 0.25% THD**			350		500		1000
*typical
DISTORTION
SMPTE-IM, less than 0.05%
FREQUENCY RESPONSE**
CX4, CX6, CX12:		20 Hz–20 kHz, ± 0.2 dB
CX4T direct outputs:		-3 dB @ 50 Hz, -0.2 dB @ 20 kHz
CX4T isolated outputs:		50 Hz–16 kHz, +0, -3 dB
CX6T, CX12T direct outputs:		-3 dB @ 45 Hz, -0.2 dB @ 20 kHz
CX6T, CX12T isolated outputs:		45 Hz–16 kHz, +0, -3 dB

**Low frequency response on “T” versions is limited by 18 dB/octave 45-Hz high-pass filter. Low frequency response on CX4T versions is limited by 12 dB/octave 50-Hz high-pass filter.

DAMPING FACTOR

200 (@ direct outputs)
OUTPUT REGULATION
100V	1.0 dB	1.0 dB	1.1 dB
70V	1.1 dB	1.1 dB	1.2 dB
25V	2.0 dB	2.0 dB	2.0 dB

NOISE

100 dB below rated output (20 Hz to 20 kHz)

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