User manual

P501 Audio Processor User Manual Page 13
Output Noise : -93dBu RMS unweighted,
measured 22Hz to 22kHz
-95dBu RMS A-weighted,
measured 22Hz to 22kHz
Input Gain Ranges
Microphone input : 0dB to +72dB
Line input : -10dB to +20dB
Instrument input : +2dB to +33dB
Peakride Compressor
Threshold range : 0dB to -40dB
Attack time range : 60ms to 1ms
Release time : variable from 90ms to 500ms (tracks the
natural audio decay)
Ratio : 1:1 to INF:1
Make-up gain : automatically set in proportion to the
threshold and ratio settings
Gain reduction meter : calibrated in dB’s
Dynamic Attack Limiter
Threshold : fixed internally to +6dBu (nominal)
Attack time : audio related with a fastest response of
0.5ms
Release time : audio related from 50ms to 500ms
Metering
Level metering : 6 element LED display measuring -21dB to
0dB (0dB equates to Limiter Threshold)
Gain Reduction : 6 element LED display