Technical Specification

11.TECHNICAL SPECIFICATION

Audio Inputs (four)

 

Type

Electronically balanced (Pin 2 Hot)

Impedance (Ω)

Balanced 20k, Unbalanced 10k

Common Mode Rejection

>80dB @ 1kHz

Maximum level

+ 21dBu

Audio Outputs (eight)

 

Type

Electronically Balanced (Pin 2 Hot)

Minimum load impedance

56Ω /20nF

Source impedance

56Ω

Maximum level

+ 21dBu into > 2kΩ

Performance (20Hz to 20kHz)

 

Frequency response

+/- 0.3dB with all filters and EQ flat

Distortion @ +8dBu

<0.02%

Dynamic range (unweighted)

>113dB

Input Processing (per channel)

 

Gain

+12dB to -40dB in 0.1dB steps plus Off

Delay

0 to 1 second in 20.83 us steps

 

(0 - 343.53 m or 0 - 1127' 0" at 20 C)

Parametric EQ 1-12

Frequency range: 20Hz to 20kHz in 21 steps per octave

Boost/cut:

+6/-18dB in 0.1dB steps

Bandwidth:

3.0 to 0.08

Compressor

 

Threshold:

+21dBu to -10dBu in 0.1dB steps

Attack:

40 s to 100ms in 20 s steps and 100ms –1s in 1ms steps

Release:

10ms to 2000ms in 10ms increments

Ratio:

1:1 to 5:1 in unit increments

Knee:

Hard/Soft

Bypass:

Yes/No

Output Processing (per channel)

Routing from Inputs

None

 

From Channels A, B, C or D

 

From Channels A+B or C+D, with ratio control, attenuated by 6dB before summing

 

From Channels A+B+C+D, attenuated by 12dB before summing

 

Note: Sources comprising summed channels are only available if the input channel delays for

 

the summed channels are set to the same value.

Phase invert

Normal/invert

Output gain

+12dB to –40dB in 0.1dB steps plus Off

Delay

0 to 300 milliseconds

 

(0 – 103.06 m or 0 - 338' 1" at 20 C)

Output phase correction filter

 

Phase angle:

0° to 180° in 5° steps. 0° is off

Angle Reference:

LPF, HPF, LEQ/PEQ1, PEQ2, 3, 4, 5, or HEQ/PEQ6

Output all-pass filter

 

Freq. Range:

20Hz – 20kHz in 21 steps per octave

Phase shift

1st (90o) or 2nd (180o) order

Q (2nd order only)

0.4 to 6.0

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Telex DN9848 Loudspeaker Processor, DOC02-DN9848 specifications Technical Specification

DOC02-DN9848, DN9848 Loudspeaker Processor specifications

The Telex DOC02-DN9848, commonly referred to as the DN9848 Loudspeaker Processor, is an advanced audio processing device designed to enhance sound quality in both live and recorded environments. With a sleek and modern design, the DN9848 is engineered to meet the demanding needs of professional audio applications, be it in concert venues, theaters, or broadcast studios.

One of the key features of the DN9848 is its comprehensive processing capabilities. Equipped with a powerful DSP (digital signal processing) engine, it offers extensive equalization options, dynamic range control, and advanced crossover functionality. The device utilizes up to 48 input and output channels, allowing for unparalleled flexibility in routing audio signals. This makes it ideal for installations that require precise control over multiple loudspeakers.

The DN9848 also boasts an intuitive user interface, which facilitates straightforward navigation through its various functions. The front panel features a large LCD display that provides clear visibility of parameters, and a selection of knobs and buttons enables easy adjustments. For remote operation, the device can be controlled via Ethernet, allowing technicians to make changes from virtually any location.

Another standout aspect of the DN9848 is its customizable algorithms that accommodate different speaker systems and acoustical environments. Users can fine-tune the processor to optimize performance for specific venues or loudspeakers. The device supports both FIR (finite impulse response) and IIR (infinite impulse response) filters, providing users with the flexibility to deploy advanced filtering techniques according to their needs.

The DN9848’s robust connectivity options further enhance its utility. It features standard analog XLR connectors, as well as digital interfaces that include AES/EBU and Dante. This multi-format compatibility ensures seamless integration into existing audio setups, making it a versatile choice for audio professionals.

In terms of reliability and durability, the DN9848 is built to withstand the rigors of the professional audio world. Its rugged chassis and high-quality components ensure that it can perform consistently in various conditions, making it a trusted partner for sound engineers.

In summary, the Telex DOC02-DN9848 Loudspeaker Processor combines sophisticated audio processing capabilities with user-friendly features and robust connectivity. Its advanced technology and flexible options make it an indispensable tool for achieving optimal sound in a variety of professional audio environments.