FSR BMS-1032 - Manual (Page 10)

FSR
Installation and Operating Manual Background Music System (BMS 1032)
www.fsrinc.com 6-1
TECHNICAL SPECIFICATIONS
MAIN UNIT
Music Audio Inputs:
Input Type: Stereo Unbalanced
Input Impedance: 10k ohm
Nominal Input Level: 0dBV/0.775 VRMS
Max Input Level Before Clipping: +12dBV/2.9 VRMS (with trim control set to unity)
Input Trim Control Range: -20 to +6dB
Crosstalk: -95dB
Max Number of Inputs: 1-10 user selectable via rear panel rotary selector plus 1 local input at wall plate,.
D/A converter performance:
Resolution: 18 bits
Sample rate: 44.1k samples/second (CD quality)
Dynamic range: 94 dB
Conversion Method: 128x oversampling delta-sigma modulator with digital anti-alias filtering
Audio Transmission Method:
AES-3 digital encoding
Page Audio Inputs:
Input Type: Mono Balanced
Input Impedance: 20k ohm
Nominal Input Level: 0dBV/0.775 VRMS
Max Input Level Before Clipping: +12dBV/2.9 VRMS (with trim control set to unity)
Input Trim Control Range: -20 to +14dB
Crosstalk: -85dB
Page Detection Threshold: -25 to –5 dBV (this is the level required to trigger a page with trim set to unity)
Page Detection Delay: 50 milliseconds max
Page Hold Time: 2 seconds (internally adjustable from 0.1 to 8 seconds)
Number of Page Inputs: 2, may be enabled in any combination by programming each wall plate.
WALL PLATES
Volume control range: -40 to 0 dB
Local Audio Input
Local Input: Stereo Unbalanced
Local Input Gain: 10dB fixed
Nominal Local Input Level: -10dBV/0.25VRMS
Max Local Input Level: +2dBV/1.0VRMS