QSC Audio DSP-4 manual Specifications

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DSP-4

Specifications

Audio Converters

24 bit, 48 kHz

 

 

Frequency Response

3 dB below full scale input voltage

 

 

XLR Output

20 Hz -10 kHz, ± 0.3 dB / 20 Hz - 20 kHz, ± 0.7 dB

 

 

DataPort

20 Hz - 20 kHz, ± 0.2 dB

 

 

Distortion

< 0.02% THD+N at +4 dBu

 

 

Throughput Delay

1.00 milliseconds (A/D – DSP – D/A)

 

 

Dynamic Range

> 104 dB, 20 Hz to 20 kHz, 1.5V sensitivity, unweighted

AES-17 -60 dB Method

> 106 dB, 20 Hz to 20 kHz, all other sensitivities, unweighted

 

> 107 dB, 20 Hz to 20 kHz, 1.5V sensitivity, A weighted

 

> 109 dB, 20 Hz to 20 kHz, all other sensitivities, A weighted

 

 

Input Impedance

8.3k ohm balanced / 3.7k ohm unbalanced

 

 

Commom Mode Rejection

> 50 dB minimum, 20 Hz – 20 kHz > 60 dB typical, 20 Hz – 20 kHz

 

 

Input Sensitivity (selectable)

1.5, 4, 9, 18 Vrms 6, 14.5, 21.5, 27.5 dBu 3.5, 12, 19, 25 dBV

 

 

Crosstalk (inter-channel within DataPort pair)

> 62 dB separation, 20 Hz - 20 kHz

 

 

Audio Input Connectors

Two XLR female (1 for each audio channel) One HD-15 female DataPort* One RS-232 female (PC input)

 

 

Audio Output Connectors

Two XLR male (for daisy-chaining each audio channel out)

 

One HD-15 male DataPort amplifier connection

 

 

Indicators

Front: Power (one blue) Signal (one green)

 

 

Contact Closure Inout

 

 

 

Inputs

1 discrete input (pin #9 of RS-232 port)

 

 

Configuration

Single-ended input, pull LOW (to GND, pin5) for closure detect

 

 

Resistance for closure detect

< 150Ω

 

 

Resistance for open detect TTL compatible

> 1.9k ohms

thresholds with 9V DC max input

 

 

 

External Power Requirements

15 VDC, 0.3 A

(DPX-1 recommended)

Required only for PowerLight®, QSC non-DataPort amplifiers, or non-QSC amplifiers

DImensions (HWD)

3.47" (8.81 cm) x 3.35" (8.51 cm) without flanges / 3.75" (9.52 cm) with flanges x 2.05" (5.21 cm)

 

 

Weight - Net / Shipping

0.93 lbs (0.42 kg) / 1.3 lb (0.59 kg)

 

 

Construction

Steel chassis and back cover

*DataPort input for use with CM16a Amplifier Network Monitor in QSControl audio network systems for remote management of QSC amplifiers and other audio devices PowerLight is a registered trademart of QSC Audio Products Inc.

A remote rack mounting bracket (the DPX-4) is available to use with PowerLight, 4-channel QSC amplifiers, or for non DataPort equipped amplifiers. Designed to be bolted to the rear of an amplifier rack, up to four modules can be mounted to each panel, providing up to eight channels of DSP processing in a three rack unit space.

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

qscaudio.com

DSP-4 Spec Sheet - 02/21/06

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Contents DSP-4 Signal Processing Functions and Additional Features DSP-4Configurations Signal ManagerSpecifications
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DSP-4 specifications

The QSC Audio DSP-4 is a state-of-the-art digital signal processor designed to deliver exceptional audio performance across various applications. This versatile device caters to the needs of live sound, installations, and broadcasting, making it a popular choice among audio professionals. With a robust feature set and advanced technologies, the DSP-4 ensures seamless integration and an unparalleled audio experience.

One of the standout features of the QSC DSP-4 is its powerful processing capabilities. Equipped with a high-performance quad-core processor, it can handle complex audio tasks efficiently, allowing users to manipulate audio signals in real-time. This ensures that even the most demanding audio environments can be managed smoothly.

The DSP-4 boasts a user-friendly interface, making it intuitive for both seasoned audio engineers and newcomers alike. The device comes with a comprehensive software suite that enables users to create and modify audio configurations with ease. The drag-and-drop functionality and visual representation of signal flow simplify the process of designing intricate audio setups.

In terms of connectivity, the QSC DSP-4 offers multiple input and output options, including digital and analog connections. This flexibility allows the device to integrate seamlessly with various audio systems, whether they involve microphones, musical instruments, or other audio sources. Moreover, it supports multiple audio formats, ensuring compatibility with a wide range of equipment.

Among the notable technologies in the DSP-4 is its advanced equalization capabilities. The device features graphic and parametric equalizers that allow for precise control over frequency response, enabling users to tailor the audio output to their specific needs. Additionally, the DSP-4 includes a variety of essential audio processing tools such as compression, gating, and delay, further enhancing its functionality.

The QSC DSP-4 is designed with reliability in mind, featuring robust construction and advanced thermal management to ensure stable operation in demanding environments. Its compact form factor allows for easy installation, whether in racks, on shelves, or in custom setups.

Another noteworthy aspect of the DSP-4 is its scalability. Users can easily expand their audio setups by linking multiple units together, allowing for larger projects or more complex configurations without sacrificing performance. This scalability, combined with the device's rich feature set, makes the QSC DSP-4 a powerful tool for any audio professional.

In summary, the QSC Audio DSP-4 is a highly capable digital signal processor that combines advanced processing power, user-friendly design, and extensive connectivity options. Whether for live events or permanent installations, the DSP-4 stands out as an essential component in delivering superior audio quality.