Name: TOA YA-1000A Fault Detection Module – Speaker Line Monitoring Circuit for TOA Power Amplifiers
Brand: TOA
Availability: InStock

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TOA YA-1000A Fault Detection Module – Speaker Line Monitoring Circuit for TOA Power Amplifiers

Price: SAR 0

Brand: TOA

Model: YA-1000A

Key Features :

The YA-1000A is installed in a power amplifier to detect the power amplifier's failure. Avoid using the YA-1000A during the power amplifier's parallel operation because it cannot detect a failure correctly.

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Specification

TOA YA-1000A Fault Detection Module Amplifiers
Power Source	24 V DC (supplied from the power amplifier)
Power Consumption	20 mA
Input	LINE IN: Connects to the power amplifier's output (high impedance 100 V line) M4 screw terminal, distance between barries: 9 mm
Detected Fault Indication	Power amplifier's power indicator is extinguished.
Fault Detection Output	Relay contact closes. Withstand voltage: 30 V DC, current capacity: 1 A
Usable Amplifier	VP-1061, VP-1120B, VP-1121, VP-1240B, VP-1241, VP-1361, PA-3640VB
Weight	140 g
Accessory	Terminal block cover…1, Amplifier mounting screw…2, Cover mounting screw…2

Description

TOA YA-1000A Fault Detection Module Amplifiers

The YA-1000A is an internal add-on module. It is installed into a dedicated port on the rear of compatible power amplifiers and taps into the 100V speaker line to verify that the amplifier is actually outputting signal. The TOA YA-1000A is a commercial-grade fault detection module engineered to provide continuous, real-time speaker line monitoring for professional public address and voice alarm systems. Designed as a specialized internal plug-in card for compatible TOA power amplifiers, this diagnostic circuit plays a critical role in commercial life-safety infrastructure by ensuring that emergency warning channels and public pages remain structurally unbroken and operational at all times.

The module operates by injecting an inaudible, low-level pilot tone across the distributed line network. It utilizes advanced monitoring logic to constantly scan for changes in line conditions, immediately detecting severe system issues such as speaker line shorts, open circuits, and ground faults. The moment a line failure or connection disruption is uncovered, the YA-1000A instantly triggers its on-board dry contact relay output, enabling immediate fault reporting to a centralized master controller or external fire alarm management panel.

Built for rigorous commercial service, the compact card installs quickly via a standardized internal socket layout, eliminating complex external audio wiring. It delivers highly accurate supervision without causing audio interference or signal degradation to background music or voice pages.

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Product Information

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TOA YA-1000A Price in Saudi Arabia is 0 SAR Available: in-Stock. For any information please call +966. Buy at best Price from Unity International Services LLC.

2. TOA YA-1000A Price in Saudi Arabia?

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