QSC Audio DSP-3 Manual Do Utilizador

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

20 Hz–20 kHz ±0.7 dB (term. block inputs)

20 Hz–20 kHz±0.2 dB (DataPort inputs)

<0.01% THD+N @ +4 dBu out

687.5 microseconds

>93 dB unweighted
20 Hz–20 kHz, 1.5V, 4V and 9V sensitivity
>88dB unweighted
 20 Hz–20kHz, 18V sensitivity

In-phase or inverted

>90 dB attenuation

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

Common-mode rejection

 >50 dB, 20 Hz–20 kHz

Crosstalk

>75 dB separation, 20 Hz–20 kHz

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

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)

9-pin serial cable, male-to-female

25 feet (7.6 meters)

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

one 2-Ch. amplifier per DSP-3

Clip indicator

Senses channel clipping

Protect indicator

Senses amplifier protect status

(status monitoring not available for non-DataPort amplifiers)