Model ALA-4TB is a four zone alarming base station with two-way listen and talkback designed to provide sound activated audio monitoring, when interfaced with Louroe speaker/microphones. Each zone has a variable threshold level (set by installer orowner) based on frequency and sound pressure that activates when a sound exceeds the set threshold level. A short alarm and lighted LED identifies the zone, along with a relay contact for activating a camera or other annunciation.Model ALA-4TB is rack mountable. Compatible with all Louroe speaker/microphones. For two-way communications.

Specifications

• Operating temp range: +32° to + 122° F
• Input Impedance (zone): 10k W
• Input Impedance (talkback Mic): 10k W
• Input Sensitivity: .078 VRMS,2W @ 8 W
• Monitor Frequently response: 100 Hz to 10 khz + 1dB
• Output Impedance (talkback): 70 Volt Line
• Output Impedance (record): 10 k W
• Output Impedance (head set): 8 to 600 W
• Power input: 120 VAC. 0.5A, 60 Hz
• Relay Contact output: 0.5A @ 125 Vdc
• Dimensions: 19”W X 5 ¼ “H X 9 ½ D
• Panel Finish: Black Anodize
• Weight: 10 lbs.

Instructions

Wiring Requirements