Basis 722az, Specifications – QSC Audio BASIS 722az User Manual

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BASIS 722az

Specifications

qscaudio.com

Specifications subject to change without notice.

1675 MacArthur Boulevard • Costa Mesa, CA 92626 • Ph: 800/854-4079 or 714/957-7100 • Fax: 714/754-6174

BASIS 722az - 06/17/08

PERFORMANCE

Dynamic Range (AES-17, -60 dB method, all sensitivities)

In

Out

Thru

Unweighted

> 115 dB

> 112 dB

110 dB

A weighted

> 118 dB

> 115 dB

113 dB

Distortion (20 Hz – 20 kHz, all sensitivities)

+4 dBu (maximum)

< 0.009% THD+N

< 0.009% THD+N

< 0.009% THD+N

2 dB below clip (maximum)

< 0.009% THD+N

< 0.009% THD+N

< 0.009% THD+N

Crosstalk (20 Hz – 20 kHz)

Inter-channel (maximum)

> 75 dB

Inter-channel (typical)

> 90 dB

Intra-channel (maximum)

> 85 dB

Intra-channel (typical)

> 100 dB

Frequency Response

20 Hz – 20 kHz (maximum)

+/- 0.5 dB

20 Hz – 20 kHz (typical)

+/- 0.2 dB

Audio Converters

24 bit, 48 kHz, in and out

Mute

Infinite attenuation

Delay

Analog input through full DSP chain to analog output

2.354 milliseconds (default group delay)

INPUTS/OUTPUTS

Program Inputs

8 inputs

Connector type

3-pin “phoenix style” (a.k.a. “Euro style”) detachable terminal blocks

Type

Electrically balanced

Grounding

All shield terminals connected to chassis

Pinout

1:+ / 2:- / 3:CHASSIS GND

Input Impedance

Balanced: 10k ohms / Unbalanced: 10k ohms

Common-mode Rejection

20 Hz – 20 kHz (minimum): > 54 dB / 20 Hz – 20 kHz (typical): > 60 dB

Input Sensitivities (variable)

Vrms: 1.5, 3, 9, 18 / dBu: 5.7, 11.8, 21.3, 27.3 / dBV: 3.5, 9.5, 19.1, 25.1

Program Outputs

8 outputs

Connector Type

4 HD-15 DataPort connections

Cable Type

QSC DataPort cable, QSC p-n DPC-x (“x” designates cable length in feet)

Available “Stock” Lengths

1, 2, 3, 4, 5, 6, 10, and 20 ft., custom lengths available

Maximum Qualified Length

328 ft. (100 m) using QSC DP cable only / Non QSC cable limited to 6 ft. (audio only)

MONITOR

Control Room Foldback Monitoring

Connector type

5-pin “phoenix style” (a.k.a. “Euro style”) detachable terminal blocks

Pinout

1:+(input) / 2:-(input) / 3:CHASSIS GND / 4:-(output) / 5:+(output)

Tap Points

8 internal input / 8 internal output / 8 amplifier (pre-, post-, amplifier) software selectable

Monitor Input

Monitor Signal (unit off)

Unity gain connection, relay bypass

Maximum Level

+21 dBu

Impedance (nominal)

10k ohms

CMRR, 20 Hz – 20 kHz

> 54 dB

Monitor Output

Monitor

Sum of monitor input and signal from internal monitor tap point(s)

Frequency Response (20 Hz – 20 kHz)

+/- 0.5 dB

Distortion (20 Hz – 20 kHz)

< 0.05% at +4 dBu

Noise Floor

> 90 dB

Output Impedance (nominal)

100Ω

Output Load (minimum)

600Ω

Monitor Level

Control Range (nominal)

0 dB to -95.5 dB in 0.5 dB steps

CONTROL INPUTS/OUTOUTS

Relay Outputs

2 discrete floating relay switch outputs

Connector Type

3-pin “phoenix style” (a.k.a. “Euro style”) detachable terminal blocks

Configuration

Electromechanical relay

Pinout

1:NC / 2:NO / 3:COM

Switching Capacity (nominal)

1A 30 VDC

Logic Outputs

4 discrete outputs

Connector Type

2-pin “phoenix style” (a.k.a. “Euro style”) detachable terminal blocks

Configuration

Single-ended, TTL compatible

Pinout

1:+(Signal) / 2:-(CHASSIS GND)

Omni Inputs

6 discrete inputs for TTL logic, voltage control or passive resistance

Connector Type

2-pin “phoenix style” (a.k.a. “Euro style”) detachable terminal blocks

Configuration

Single-ended, ground referenced

Pinout

1:+(Signal) / 2:-(CHASSIS GND)

Normal Operating Range

Reads signals between 0-5 V nominally

Potentiometer Operation

Use 10k ohms for full range

Voltage Tolerance

+/- 48 V

Current Output

0.5 mA with 10k pot (for passive resistive controls)

RS-232 Port

Female DB9 connector (setup and diagnostics purposes only)

QSControl Port

Neutrik Ethercon RJ45 ruggedized data connector

Indicators

QSControl Status

Yellow Link, Tx, Rx, front panel / Green Link, Tx, Rx, rear panel

Power

Blue, front panel

Diagnostic

Red, front panel

DataPort Status (port)

Tri-state (red, green, yellow), front panel

LCD Data Display

2 line x 16 character, backlit, front panel

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