BASIS 914lz

Specifications

PERFORMANCE

 

 

 

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

In

Out

Thru

Unweighted

> 112 dB

> 112 dB

110 dB

A weighted

> 115 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

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

4 inputs

 

 

Connector type

XLR/TRS combo

 

 

Type

Electrically balanced

 

 

Grounding

Shell and shield terminals connected to chassis

 

Pinout

2-Tip:+ / 3-Ring:- / 1-Sleeve: shield

 

 

Input Impedance (nominal)

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

16 outputs

 

 

Connector Type

8 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)

CONTROL INPUTS/OUTOUTS

 

 

 

 

 

 

 

 

Omni Inputs

2 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 (set 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

 

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 914lz - 07/09/09

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QSC Audio 914LZ manual Basis 914lz, Specifications, Qscaudio.com

914LZ specifications

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