User manual

P501 Audio Processor User Manual Page 12
Fusing : On board ‘auto reset’ polyfuses
protecting the ±16V and +48V rails
Main processor audio path
Frequency response : -0.5dB points at 5Hz and 60kHz
Distortion : < 0.01% at 1kHz (typically 0.008%) main
signal path working at 0dBu
Maximum input levels
Microphone : +12dBu
Line input : +22dBu
Instrument : +18dBu (when fed unbalanced)
Input impedances
Microphone : 2k4 ohms
Line input : > 10k ohms
Instrument : 1M ohms
Equivalent input noise figures
Microphone : 128dB (max gain with 150 ohms source)
Line input : 100dB (unity gain)
Instrument: 105dB (max gain)
High Pass Filter
Switchable 80Hz hi-pass filter with 18dB/octave slope
Balanced Line Output
Output Gain : ±15dB (post limiter)
Maximum Output Level
(post limiter) : +22dBu
Output impedance: 50 ohms