V-9964

Stacking Feedback Eliminator

Multiple messages can be recorded simultaneously - records a page while playing a recorded page
One unit eliminates feedback to all zones
Automatic consistent volume level even when recording, voices vary - low to high
High-fidelity - sounds like a natural voice not like a recording
LED indicators for play, record, busy, power
Dip-switch programmable features:
- Pre-announce alert tone
- Priority override (real time or delayed)
- DTMF message cancel
Real time background music with volume control
Two audio outputs: 8 or 600 Ohms loop
Emergency messages can interrupt play back sequence (interrupted message will play in full once emergency message has completed)
Power Requirements: -24Vdc, 250mA

Overview

Valcom's Stacking Feedback Eliminator is designed to eliminate acoustic feedback and act as a message stacker. When a voice page is made, the message is digitized and saved. Upon completion of the live page, the message is released for broadcast over the speakers.

Specifications

AUDIO INPUT

Input impedance: 600 ohms
Music source impedance: 8 to 600 ohms
Music input level: -10 dBm nominal

SENSITIVITY

Adjustable VOX sensitivity

AUDIO OUTPUT

Output impedance: 600 Ohms with loop supervision to a page control unit or 8 Ohms line level output to amplified speakers

POWER REQUIREMENTS

24VDC 200mA filtered

ACCESS METHODS

Electronic key system line key access
PABX loop start trunk port access
Page port access
Dedicated single line telephone(s)
Switchable battery feed for loop start operation