C-710PAL
PREAMPLIFIER MODULE
Preamplifier module designed to be installed in the PM-605/0 frame.
Programmable input sensitivity (MICRO, AUX H and AUX L).
It has two volume controls, bass and treble, with pull-out knobs.
Switch to the program and priority outputs of the bus of the PM605/0 frame.
Independent output.
Frontal led indicator of priority control activation.

Frequency response (-3 dB) Microphone (Speech filter) : from 54 Hz to 16 KHz Aux L and Aux H: from 43 Hz to 20 KHz
Total harmonic distortion (THD) < 0,15% from 100 Hz @ 20KHz
Output level 0 dBm (775 mV)
Consumption 55 mA.
Inputs 1 (Rear)
Sensitivity Microphone: 0,775 mV . Aux. L: 100 mV. Aux. H: 500 mV
Maximum input levels Microphone: 30 mV . Aux. L: 3 V . Aux. H: 6 V
Signal noise / ratio Microphone: 54 dB Aux L (high & low impedance): 80 dB Aux H (high & low impedance): 80 dB
Input impedances Low Impedance: 2K Ohm. High Impedance: 100K Ohm
Output impedances Independent output: 600 Ohm
Outputs1 Rear independent program or priority 1 Bus for PM-605 / 0 (Program) 1 Bus for PM-605 / 0 (Priority)
ControlsVolume, bass (? 10 dB @ 100 Hz) and treble (? 10 dB @ 10K Hz Microphone linear response with the controls at the maximum