QSC CM16a Manual download pdf (Page 27)

Section 3: Specifications

Frequency response 20 Hz–10 kHz ±0.3 dB (term. block inputs)

at 3dB below full 20 Hz–20 kHz ±0.7 dB (term. block inputs)

scale input voltage 20 Hz–20 kHz±0.2 dB (DataPort inputs)

Distortion <0.01% THD+N @ +4 dBu out

Delay (throughput) 687.5 microseconds

Dynamic range >93 dB unweighted

20 Hz–20 kHz, 1.5V, 4V and 9V sensitivity

>88dB unweighted

20 Hz–20kHz, 18V sensitivity

Polarity In-phase or inverted

Mute >90 dB attenuation

Inputs

Program inputs 2

Connector type “Phoenix-style” (a.k.a.

“Euro-style”) detachable terminal blocks

Type Electronically balanced

Grounding All shield terminals connected to

chassis

Input sensitivity 1.5, 4.0, 9.0 or 18.0 Vrms

(full scale input level) 6, 14.5, 21.5 or 27.5 dBu

3.5, 12.0, 19.0 or 25.0 dBv

Units are selectable in software interface

Impedance 8.3 K Ohm balanced

3.7 K Ohm unbalanced

Signal Processing 24 bit, 48 kHz.

Common-mode rejection >50 dB, 20 Hz–20 kHz

Crosstalk >75 dB separation, 20 Hz–20 kHz

Outputs

Program outputs 2 (via HD-15)

Connector type HD-15 DataPort connection

Pinout Special, see appendix

Cable type QSC DataPort cable

Qualified length 2 meters

Daisy-chain output 2 (1 per channel)

Connector “Phoenix-style” (a.k.a.

“Euro-style”) detachable

terminal blocks

Type Electronically balanced

Grounding Shield terminal connected to

chassis

Output level 6.0 or 4.0 Vrms

(full scale) 18.0 or 14.5 dBu

15.5 or 12.0 dBv

Output impedance 600 Ohms balanced

Power amplifier connectivity

Power amplifier interface

Compatibility all QSC and non- QSC amplifiers

Full-feature set all QSC DataPort equipped amplifiers

Connector and cable

HD-15 VGA cable, 2 meters length

qualified (for longer runs, contact

QSC’s Technical Services Department)

RS-232 Port

Cable Type 9-pin serial cable, male-to-female

Maximum Length 25 feet (7.6 meters)

Contact closure input (sense)

Inputs 1 discrete input (pin #9 of RS-232 port)

Configuration Single-ended input

Resistance for closure detect <150 Ohms

Resistance for open detect >1.9 K Ohms

TTL Compatible

Maximum Voltage= +9vdc

Amplifiers one 2-Ch. amplifier per DSP-3

Amplifier status monitor

Clip indicator Senses channel clipping

Protect indicator Senses amplifier protect status

(status monitoring not available for non-DataPort amplifiers)

Note: Specifications are subject to change without notice.

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QSC CM16a Manual Page 27

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