BASIS 722az

Specifications

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

2.354 milliseconds (default group delay)

 

 

 

Analog input through full DSP chain to analog output

 

 

 

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

 

 

 

 

 

 

 

 

 

 

 

 

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 722az - 06/17/08

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QSC Audio manual Basis 722az

722az specifications

The QSC Audio 722az represents a significant advancement in the realm of high-performance audio solutions, designed specifically for applications that demand both versatility and reliability. As part of QSC's acclaimed array of products, the 722az combines state-of-the-art technologies with user-friendly features, making it an ideal choice for professional audio engineers and sound system designers.

At the heart of the 722az is its high-output capability, which provides robust audio performance suitable for various environments, from concerts to corporate events. The system boasts an impressive power rating, ensuring that it can handle large venues without compromising sound quality. With an emphasis on clarity, the 722az delivers a wide frequency response, allowing for a full-bodied audio experience that captures the nuances of every performance.

One of the standout features of the QSC Audio 722az is its advanced DSP processing. The built-in digital signal processing technology enables precise control over audio parameters, including equalization, crossover settings, and dynamic range management. This level of customization allows sound engineers to fine-tune the audio output to suit specific acoustics and audience needs, ensuring optimal sound quality in every situation.

Additionally, the 722az incorporates QSC's proprietary Amplified Loudspeaker Processing (ALP), which enhances the overall efficiency and performance of the system. ALP includes features such as speaker protection algorithms designed to prevent damage from excessive levels and thermal overload, ensuring durability and longevity in demanding environments.

Connectivity is another strong point for the 722az. It offers various input options, including analog and digital formats, catering to a wide range of equipment and setups. The unit's compatibility with QSC's Control Manager software allows users to monitor and manage multiple devices seamlessly, enhancing workflow and operational efficiency.

Ergonomically designed for portability, the QSC 722az features a lightweight yet sturdy construction, making it easy to transport and set up. Its rugged build is perfect for the rigors of touring and live events, ensuring that it can withstand the challenges of different venues.

In summary, the QSC Audio 722az is a powerful and versatile loudspeaker that combines advanced technologies, including robust DSP processing and Amplified Loudspeaker Processing, with user-centric features. Its superior audio performance, coupled with reliable connectivity and durability, makes it an exemplary choice for anyone looking to elevate their sound experience in various professional audio settings.