EMPIRICAL LABS DerrEsser ELDS-H 500-Series Dynamic High-Frequency Fixer (Horizontal Version)

BH #EMELDSHDRESR • MFR #ELDS-H DERRESSER
EMPIRICAL LABS
EMPIRICAL LABS DerrEsser ELDS-H 500-Series Dynamic High-Frequency Fixer (Horizontal Version)
Key Features
  • High-Performance Desser
  • High-Frequency Limiting
  • Hard-Clip Indiator
  • True Bypass
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The DerrEsser ELDS-H from Empirical Labs is a horizontal multi-function dynamic filtering device, designed for API 500-Series enclosures. In its basic DS mode, it is an effective, level-insensitive de-esser, a device that will adjust the high-frequency gain on overly treble-y or spiky vocals or other sources in an extremely musical manner. However, unlike other de-essers, the device allows for multiple uses of its circuitry. As a de-esser in the DS mode (HF Limit OFF), the threshold can be set to tame harsh S's (sibilants) that result from an overly bright singer or from EQ'ing to make a vocal sound aggressive and clear. The DS threshold is not level dependant, and compares the amount of high-frequency content to the low-frequency content, so adjusting the overall level does not affect the threshold. It features VCA technology for glitch-free, distortion-free, and noise-free performance. The corner frequency is user adjustable with a high-performance active crossover.
Special Order
Expected availability: 7-14 business days
$475.00
$14/mo. with 0% interest for 36 mos.^
36 equal monthly payments required, offer ends Dec 17, 2020.

Important Notice

  • This item is noncancelable and nonreturnable.
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EMPIRICAL LABS ELDS-H DERRESSER Overview

The DerrEsser ELDS-H from Empirical Labs is a horizontal multi-function dynamic filtering device, designed for API 500-Series enclosures. In its basic DS mode, it is an effective, level-insensitive de-esser, a device that will adjust the high-frequency gain on overly treble-y or spiky vocals or other sources in an extremely musical manner. However, unlike other de-essers, the device allows for multiple uses of its circuitry. As a de-esser in the DS mode (HF Limit OFF), the threshold can be set to tame harsh S's (sibilants) that result from an overly bright singer or from EQ'ing to make a vocal sound aggressive and clear. The DS threshold is not level dependant, and compares the amount of high-frequency content to the low-frequency content, so adjusting the overall level does not affect the threshold. It features VCA technology for glitch-free, distortion-free, and noise-free performance. The corner frequency is user adjustable with a high-performance active crossover.

In HF Limit mode, the DerrEsser essentially acts as a high-frequency compressor. If there is enough high-frequency content to exceed the threshold, then gain reduction occurs. It is level sensitive, but responds much more to high frequencies. This mode is more of a general high-frequency smoothing device. In high-pass mode and while using the LISTEN function, the user can employ the filter circuitry inside the DerrEsser to process their audio. With the LISTEN button in, and the HP/LP switch out, the user will be hearing the high frequencies that are being controlled with the dynamic/compression circuits. The corner frequency is adjustable with the frequency knob. In low-pass mode and with the LISTEN button in, and the HP/LP button in, the user is now listening to the low frequencies, those not affected by the VCA and dynamic/compression circuits. This is a 12 dB-per-octave filter whose corner frequency can again be adjusted with the frequency knob.

  • High-frequency limiting with a tailored soft knee. The Dynamic Section can be used for de-essing or smooth high-frequency softening
  • Hard-Clip Indicator Light: This Bad-Clip LED indicates when the sound level is within 1 dB of hard clipping and monitors several sections within the DerrEsser for possible clipping
  • Unity Gain: 6 dB of gain on inputs and outputs available
  • API-500 Series rack compatible
  • True bypass
  • Military-grade switches and relays

UPC: 854682006085

EMPIRICAL LABS ELDS-H DERRESSER Specs

Frequency Response3 Hz to 120 kHz (-3 dB points)
Dynamic Range-115 dB from maximum output (0.5% THD soft clipping) to minimum output, noise floor typically -93 dBu
Distortion Range0.0035 and .01%
OutputsDC coupled
Input Impedance20 kohms
Output Impedance51 ohms
Attack Time< 1 ms
Release Time0.04 seconds, fixed internally
Power ConsumptionTypical: 4 W
Maximum: 8 W
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