Empirical Labs ELDS DerrEsser

The DerrEsser is a multi function dynamic filtering device, in an API 500 series module format. In its basic “DS” mode, the DerrEsser is an effective, level insensitive de-esser, which is a device that will adjust the high frequency gain on overly trebly or spiky vocal, or other source. By using a crossover technique, and dividing the audio up into a high frequency range and a low frequency range, the DerrEsser can use its Voltage Controlled Amp to turn down comparatively high or harsh high frequencies in an extremely musical manner. However, unlike other de-essers, the device is not limited to just de-essing, and allows for multi use of its circuitry.

Specifications:

• Frequency Response – 3 Hz to 120 kHz (-3dB points).
• Dynamic Range – 115 dB from maximum output (.5%THD soft clipping) to minimum output. Transformerless noise floor typically – 93dBu.
• Distortion – Ranges between .0035% and .01% depending on mode and settings.
• I/O – DC Coupled input and outputs. Input Balanced, Output single ended but with balanced impedance. Pin 2 hot.
• Impedance – Input Impedance is 20k Ohm. Output impedance is less than 51 ohms.
• D-S Dynamics Time Constants – Attack time is less than 1mS. Release .04 sec, fixed internally.
• Power Consumption – 8 Watts max. 4 Watts Typical.