General
Power	240 Watt sinus
Number of channels	1
Construction type	19" rack
Height	2 HE
Technique	100 V-, 50 V-, 25 V-technology
Inputs	Electronically balanced, program and priority input
Outputs	Electronically balanced, screw terminals
Protection functions	Short-circuit and no-load protected, fuse devices
Power-on function	Soft-start, inrush noise suppression
Remote control	Power Remote contact
Signal ground isolation	Ground/Lift switch
Accessory compatibility	Pilotton module FD-20

The RCS Audio-Systems BA-240DP is a 1-channel 19˝ power amplifier, specifically designed for use in professional ELA systems (Electronic Loudspeaker Systems). It supports standard technologies 100 V, 50 V, and 25 V, commonly used in large-area and building sound systems. The devices are designed for continuous operation and feature a robust construction with high-quality components, including toroidal transformers, ensuring stable and low-loss signal transmission. The amplifiers are fully short-circuit and no-load safe and equipped with appropriate protection devices to prevent damage during operation.

Applications

The BA-240DP is suitable for applications in buildings, industrial facilities, transportation infrastructure, or public institutions where reliable and continuous sound coverage is required. Use in ELA systems enables simultaneous supply of multiple loudspeakers via a unified cabling network, with voltage systems (100 V, 50 V, 25 V) controlling power distribution and loudspeaker arrangement. The devices are designed for use in technical rooms or rack systems, with the 2 HE height enabling installation in standard 19˝ racks.

Functions and Equipment in Detail

The amplifier features two separate inputs: an electronically balanced audio input for program and music signals, and a priority input intended for mandatory announcements or emergency messages. This separation enables a clear signal hierarchy, with the priority input overriding the program signal when required. Signal inputs and outputs are implemented via screw terminals, reducing wiring effort and eliminating the need for XLR connectors. Electronic balancing of inputs and outputs minimizes hum interference caused by ground loops.

Technology Explained Simply

The amplifiers are equipped with a soft-start system that suppresses unpleasant switching noises. This is particularly important in systems where the amplifier is switched on not manually, but via an external control device. A power remote contact allows remote control of the switching process, even if the local on/off switch is turned off. The devices feature a ground/lift switch that can disconnect the chassis ground from the signal ground to avoid hum loops. On the front panel, multi-colored LED indicator lights display the operating status and indicate any faults or protection functions.

Compatibility and Accessories

The BA-240DP can be fitted with a pilot tone module (FD-20) for monitoring the amplifier’s functionality. The module enables continuous monitoring and can trigger an alarm in case of malfunctions or failures. The amplifiers are designed for integration into existing ELA systems and are compatible with common 100 V, 50 V, and 25 V technologies. The use of toroidal transformers ensures high signal quality and low distortion.

Mounting and Installation

The amplifier is designed as a 19˝ rack unit and occupies 2 HE. Mounting is done in standard rack systems using the integrated mounting holes. The screw terminals at the inputs and outputs simplify installation, as no additional connectors are required. Connections are clearly labeled to prevent incorrect wiring. The devices are designed for use in enclosed rooms or technical distribution rooms.

Operational Advantages

The combination of high reliability, integrated protection functions, and remote control capability makes the BA-240DP a robust and low-maintenance device. The LED indicators enable quick diagnosis during operation, and the soft-start function ensures trouble-free startup. The use of toroidal transformers and balanced connections ensures high signal quality and minimizes interference. The devices are designed for continuous operation and are suitable for critical applications where interruption of sound coverage is not acceptable.