dbx ZonePRO 640 - Audio matrix with 6x inputs, 4x outputs and 2x mic/line inputs

€999.00*

*Prices incl. VAT plus shipping costs

delivery time 14 days

Product number: DBX-ZONEPRO-640

Product information "dbx ZonePRO 640 - Audio matrix with 6x inputs, 4x outputs and 2x mic/line inputs"

dbx ZonePro 640, programmable, digital DSP audio processor

The programmable audio signal processor is installed in a 19" housing with 1U.

It has two balanced microphone or line inputs and an additional 4 asymmetrical line inputs.

There are 4 symmetrical line outputs available on the output side.

All inputs and outputs are freely assignable.

Each of the four outputs has an LED on the front for signal display.

The device was operated via the front display.

The controls on the device can be locked to prevent unintentional operation of the settings.

Up to 12 remote control units can be addressed for preset, source selection and level.

There is an RS-232 interface on the front and back.

The rear socket can be connected to a media control system, and in parallel the device configurations can be carried out via a PC connected to the front.

The included software must be installed on a computer to configure the device. This software should be able to configure system structures.

Elements such as mixer matrix, feedback suppression, loudness, leveler, compressor, limiter, noise gating, notch filtering, bandpass and crossover, delay, parametric EQ etc. should be available.

Once the device has been configured, it should be possible to operate the device without a connected computer.

All parameters required for this are saved in non-volatile memory in the device.

Characteristics:

Inputs: 4x asymmetric line + 2x balanced microphone (with phantom power) - or line level

Outputs: 4 balanced line outputs

Dynamic range: 109dB A-weighted

Sample rate: 48kHz / 24-bit oversampling

Distortion: 0.003% typical at +4dBu, 1kHz

Frequency response: 20Hz - 20kHz, +/- 0.5dB

Crosstalk: 80dB

Power consumption: 9 watts

Manufacturer "DBX"

dbx is a noise reduction technique for audio recordings that was developed in 1971 by dbx, which is now part of the Harman group.

Like most analogue noise reduction systems, DBX works according to the compander principle. With dbx, the entire frequency spectrum of the audio signal is compressed at a ratio of 2:1 before recording and expanded at the same ratio during playback. Due to the high compression factor, dbx offers noise and background noise reduction of up to 40 dB. With high-quality tape recorders, dynamics can be achieved that even exceed those of a 16-bit digital recording. In contrast to some other compander systems, such as Dolby, compression and expansion are based on a linear characteristic. As a result, the system works level-independent - an exact calibration of the playback level is not required.

Originally dbx was developed exclusively for the professional market to increase the dynamics of high-quality tape machines in studios. In the early days there was only one variant of dbx, which therefore only bore the name dbx. A few years later, the company recognized that with minor modifications, the system could also be used successfully in tape recorders and cassette recorders for home use. This is what dbx II was developed for. The original dbx, intended for professional use, was referred to as dbx I from that point forward to clearly distinguish it.

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