dbx 215 graphic equaliser 2x 15-band

Product information "dbx 215 graphic equaliser 2x 15-band"

The dbx® 2-Series Graphic Equalizers have been designed to meet the needs of the most demanding sound reinforcement environments, while offering the simplicity of straight forward controls. The 215 not only provides standard features like dual channels, 15 2/3 octave bands, ISO frequency meters, +/- 12dB input gain range, and switchable 50Hz/12dB octave low-cut filters, but also includes other thoughtful features. These features include: 20 mm faders; selectable +/-6dB or +/-12dB boost/cut range for precise gain adjustments; XLR, and 1/4" TRS connectors for installation ease; balanced inputs and outputs for quiet operation; and chassis/signal ground lift capabilities for quick hum isolation. The visionary design of the dbx® 2-Series has been pursued to make your job easier.

Two 15-band, 2/3-octave Constant Q frequency bands

Switchable boost/cut ranges of ±6 or ±12 dB

12dB per octave, 3dB down @ 50Hz low-cut filter

Front panel bypass switch

±12 dB input gain range

4-segment LED ladders for monitoring output levels

XLR and TRS Inpts and Outputs

Internal Toroidal Transformer

Frequency Repsonse of <10Hz to >50kHx

Dynamic range of greater than 108dB

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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