SPL 500 Series Dual Band De-Esser Module - Long & McQuade Music Educator Site
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SPL 500 Series Dual Band De-Esser Module

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SKU: # 481530
Model: #

DES 500


The Dual-Band De-Esser makes use of two frequency bands that can be used independently or jointly. Two de-esser stages increase processing effectiveness without introducing audible artifacts. Focused processing with high and low bands makes it possible to process sibilant sounds with great precision. Furthermore, input signals are automatically adjusted so the processing is uniform, regardless of the distance between source and microphone. The Male/Female modes adapt processing in the lower band to male or female voices.

High Band and Low Band De-Essing

You can use the two processing stages separately or jointly. They are connected in series as independent de-esser modules. The Low-Band De-Esser (Lo-S) is set first in the chain. If both de-essers are engaged, there is interaction between them: a signal already processed with the Low-Band De-Esser is different from the raw material that the High-Band De-Esser would otherwise process.

Application: Voice (Male/Female)

The Male/Female switch allows you to adjust the Low-Band De-Esser to the type of voice being processed. These values have been determined by practical experience, so that the processor adapts better to gender. Nevertheless, you cannot take for granted that these settings will suit every single male and female voice.

Dual Band De-Esser 500 Series module Features:

• Sibilance reduction by phase cancellation
• Very effective - very unobtrusive
• 2-band processing: Hi-S and Lo-S
• Only 2 controls - easy and fast to use
• De-S intensity LED display
• Male/Female voice selection
• ON/bypass switch
• Signal LED
• Single-Slot 500 series rack module
• Made in Germany


Impedance: 20kOhm
Max. Input level: +22 dBu

Impedance : 150 Ohm
Max. Output Level: +22 dBu

Frequency Range: 10Hz -100kHz

Noise: -93 dBu (A-weighted)

Dynamic Range: 116 dB

CMRR: > -80 dBu
(at 1 kHz, 0 dBu input level, unity gain)

THD: 0,03%
(at 0 dBu input level, unity gain)

Housing: Single Slot 500er-Serie rack modul
Weight: 0,65 kg /1.43 lbs

*0dBu = 0,775V.
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