QSC Audio manual BASIS 922uz, Specifications

Models: 922uz

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BASIS 922uz

BASIS 922uz

Specifications

PERFORMANCE

 

 

 

 

 

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

In

Out

Thru

 

 

Unweighted

> 110 dB

> 112 dB

108 dB

 

 

A weighted

> 113 dB

> 115 dB

111 dB

 

 

Distortion (20 Hz – 20 kHz, all sensitivities)

 

 

 

 

 

Gain = 0 – 30 dB

< 0.008% THD+N

< 0.009% THD+N

< 0.008% THD+N

 

 

Gain > 30 dB

< 0.05% THD+N

< 0.009% THD+N

< 0.05% 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

Standard CobraNet™ latency

 

Low latency

 

 

BASIS™ to Network

7.104 milliseconds

 

4.438 milliseconds

 

 

Analog input through full DSP chain to CobraNet output

 

 

 

 

 

Network to BASIS

6.313 milliseconds

 

3.646 milliseconds

 

 

CobraNet input through full DSP chain to analog output

 

 

 

 

 

BASIS to BASIS

8.083 milliseconds

 

5.417 milliseconds

 

 

Analog input through full DSP chain, over CobraNet network,

 

 

 

 

 

through full DSP chain, to analog outputs

 

 

 

 

 

BASIS in stand-alone mode

2.354 milliseconds (default group delay)

 

 

 

Analog input through full DSP chain to analog outputs

 

 

 

 

 

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 (nominal)

Balanced: 6.81k ohms / Unbalanced: 13.6k ohms

 

 

 

Common-mode Rejection

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

 

 

 

E.I.N. (maximum)

150Ω, 30 dB: -124.5 dBu / 150Ω, 60 dB: -125.0 dBu

 

 

 

Input Sensitivities (variable)

Vrms: 0.9 mV to 15.46 V / dBu: -62.2 to +26 dBu / dBV: -64.4 to +23.7 dBV

 

 

Phantom Power (per IEC 1938 [1996])

+48 V (software selectable)

 

 

 

 

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

 

 

 

CobraNet Port

Neutrik Ethercon RJ45 ruggedized data connector

 

 

 

Indicators

 

 

 

 

 

QSControl Status

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

 

 

 

CobraNet Status

Yellow Link, Tx, Rx, front and 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

 

 

 

Signal Presence

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

 

 

 

 

 

 

 

 

 

 

 

 

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

qscaudio.com

BASIS 922uz - 06/18/08

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QSC Audio manual BASIS 922uz, Specifications