dbx / 520

API500 module de-esser that enhances tone by suppressing harsh high frequencies.

■ Deesser and API500 module

■ Specifications
Input type: balanced / unbalanced, RF filtering
Input impedance: 20 kΩ balanced, 10 kΩ unbalanced
Maximum input level: + 22dBu
CMRR:> 40dB; typically> 55dB at 1kHz
Output type: balanced / unbalanced, RF filtering
Output impedance: Balanced type 30Ω, unbalanced type 15Ω
Maximum output level: + 22dBu
Frequency response: 20Hz to 20kHz, + 0 / -0.5dB; 14Hz to 120kHz, + 0 / -3dB
Noise: <-99 dBu, unweighted (22 Hz to 22 kHz)
THD + Noise: <0.006% typ, no compression, 1 input kHz at 0dBu
Dynamic range:> 114dB
Crossover point: Variable 800 Hz to 8 kHz
Crossover filter type: 12dB / octave, phase coherent
De-essing range: -40dBu to + 22dBu input range, no adjustment required, and operates uniformly
Maximum attenuation: Variable 0 to 20 dB
Attack: Depends on the program, 2 ms at 10 dB above threshold, 600 μs at 20 dB above threshold, 63% gain reduction
Release rate: 925dB / s
Controls: frequency, range
Switch: IN / OUT, mode (HF ONLY / NORMAL)
Power requirements: +/- 16V DC
Power current draw: 76 mA per power rail
Power draw: 2.4 watts
Rack system compatibility: 500 series compatible power frame
Rack space: 1 slot
Dimensions (H × W × D): 13.34cm × 3.81cm × 15.24cm
Weight: 0.59 kg