dbx Pro 162SL Air Compressor User Manual


 
INPUTS
Connectors: Female XLR and 1/4” TRS (Pin 2 and Tip hot)
Type: Electronically balanced/unbalanced, RF filtered.
Impedance: Balanced > 50 k, unbalanced > 25 k.
Maximum Input Level: >+24dBu balanced and unbalanced.
CMRR: >40dB; typically > 55dB at 1kHz
OUTPUTS
Connectors: Male XLR and 1/4” TRS (Pin 2 and Tip hot)
Type: Transformer balanced/unbalanced, RF filtered.
Impedance: Balanced 30, unbalanced 15.
Maximum Output Level: >+24dBu, >+22dBm(into 600 Load).
SIDECHAIN SEND (OUTPUT)
Connector: 1/4” TRS
Type: Impedance balanced, RF filtered.
Impedance: Balanced 100, unbalanced 50.
Maximum Output Level: >+22dBu.
SIDECHAIN RETURN (INPUT)
Connector: 1/4” TRS
Type: Electronically balanced/unbalanced, RF filtered.
Impedance: Balanced >40 k, unbalanced >20k.
Maximum Input Level: >+22dBu balanced or unbalanced.
CMRR: >40dB; typically > 55dB at 1kHz.
SYSTEM PERFORMANCE
0.1dB Bandwidth: 20 Hz to 20 kHz +0/-0.1dB, no gain reduction, unity gain.
Frequency Response: <2 Hz to >200 kHz +0/-3.0dB, no gain reduction, unity gain.
Noise: <-93dBu, unweighted, 20 Hz to 20 kHz measurement bandwidth.
Dynamic Range: >117dB
THD + Noise: 0.008% typical at +4dBu, 1kHz, unity gain.
0.02% typical at +20dBu, 1kHz, unity gain.
<0.1% any amount of compression up to 30dB, 1kHz
IMD: <0.02% SMPTE 4:1, no gain reduction, unity gain, 0dBu input.
Deviation From Linear Phase: <1.0 degree, <10 Hz to 200 kHz, 30dB of compression.
Interchannel Crosstalk: <-85dB, 20 Hz to 20 kHz.
Stereo Coupling: True RMS Power Summing™.
COMPRESSOR
Threshold Range: -40 to +20dBu
Ratio: 1:1 to :1
Threshold Characteristic: Selectable OverEasy‚ or hard knee.
Attack/Release Modes: Selectable Manual or Auto.
Manual Attack Time: Scalable program-dependent. Typically 400dB/msec to 1dB/msec.
Manual Release Time: Scalable program-dependent. Typically 4000dB/sec to 10dB/sec.
Auto Attack Time: Program dependent, typically 15 ms for 10dB, 5 ms for 20dB, 3 ms
for 30dB.
Auto Release Time: Program dependent, typically 120dB/sec.
Output Gain: -20 to +20dB.
LIMITER
Threshold Range: +4dBu to >+24dBu (off).
Ratio: :1
Limiter Type: PeakStopPlus® two-stage limiter.
Stage 1: Instantaneous Transient Clamp®.
Attack Time: Zero
Release Time: Zero
Stage 2: Intelligent Predictive Limiting®.
Attack Time: Program dependent, typically <5 msec.
Release Time: Program dependent, typically 22dB/sec.
27