Bose FreeSpace 8 Operations Instructions download pdf (Page 12)

English

A.1 Electrical specifications and controls

The FreeSpace

system controller (Model 8/32) accepts AC supply voltages from 80 to

265, 50Hz or 60Hz.

A.1.1 Balanced input terminals

Balanced inputs with gain switches, protection diodes, and RFI/EMI noise suppression.

A.1.2 Page input

Gain is switchable for either microphone or line level inputs.

• Page trigger sensitivity 275µV minimum

• Mic input sensitivity 5mV nominal, 250mV maximum

• Line input sensitivity 100mV nominal, 1V maximum

• Page input impedance 3kΩ (Mic), 200kΩ (Line), balanced

A.1.3 Channel A and Channel B input

Balanced Channel A and Channel B inputs with gain switches.

• Line input sensitivity at 300mV 200mV nominal, 300mV maximum

• Line input sensitivity at 2V 1V nominal, 2V maximum

• Line input impedance 2kΩ (300mV), 7.7kΩ (2V), balanced

A.1.4 Input common mode ripple rejection

• 40dB or greater

A.1.5 Opti-voice

system circuitry

The system automatically switches from music to page during paging.

A.1.6 Automatic gain control with LED indication

Adjusts paging volume. LED flickers at optimum volume.

Appendix A: Controller Specifications

AM177675-2_04_V.pdf • May 7, 2002

1 2 ... 7 8 9 10 11 12 13 14 15 16 17

No comments

Bose FreeSpace 8 Operations Instructions Page 12