Technical data
Tuner range	FM 87.5 to 108.0 MHz and AM 522 to 1620 kHz
CD/MP3 playback range	10 Hz – 20.000 Hz (± 1 dB)
Dimensions (W x H x D)	194 x 40 x 200 mm

The CDR-10 USB from RCS Audio-Systems is an integrated CD/MP3 playback and FM/AM tuner module, specifically designed for installation in small central units. It combines a CD player with MP3 playback functionality and an analog RDS tuner for FM and AM reception. The module is also suitable for use in other devices such as amplifiers or ELA central units, with the installation instructions included with the device. Dimensions are 194 mm (width) × 40 mm (height) × 200 mm (depth), making it suitable for standard module carriers.

Applications
This module is primarily designed for integration into professional sound systems, particularly in small central units, where it serves as an audio source module. It is suitable for applications in buildings requiring central music or information playback, such as schools, hospitals, office buildings, or shopping centers. The combination of CD player, MP3 playback, and FM/AM tuner enables flexible use of various audio sources within a system.

Functions and Features in Detail
The device features a USB interface, allowing audio files to be played from USB sticks or external USB hard drives. The CD/MP3 playback function supports MP3 CDs and enables playback of music files in MP3 format. The playback frequency range is 10 Hz to 20,000 Hz (± 1 dB), ensuring clear and balanced sound across the entire audible range. Functions such as “repeat-play” (repeat), “random-play” (random playback), “intro-scan-play” (preview introduction), and “cue-review” (playback position check) offer diverse control options for music playback.

Technology Explained Simply
The integrated FM/AM tuner covers the FM band from 87.5 to 108.0 MHz and the AM band from 522 to 1,620 kHz. Stations can be searched and programmed manually via button press or automatically. The module offers 24 memory slots for stations: 18 for FM (3 groups of 6 stations each) and 6 for AM (1 group of 6 stations). Sensitivity is 2 μV for FM and 4.5 μV for AM, with signal-to-noise ratio at 60 dB for FM and 45 dB for AM. These values ensure clear and interference-free reception quality under normal conditions.

Compatibility and Accessories
The CDR-10 USB is specifically designed for installation in empty slots of small central units, but can also be integrated into other devices such as amplifiers or ELA central units. The necessary mounting parts, connectors, and installation instructions are included with the device. The USB interface enables the use of external storage media, with compatibility provided for USB sticks and USB hard drives. The technical specifications of the tuner and CD sections correspond to those of the separate modules TP-10 USB and CDP-10 USB, enabling modular expansion of systems.

Mounting and Installation
Installation is done by fitting into the designated empty slot of the small central unit. The necessary mounting parts and connectors are included in the delivery. The included installation instructions provide a detailed description of the installation process. Installation into other devices is also possible, with connections and power supply handled via the respective central unit.

Advantages in Operation
The module offers a compact and versatile solution for central music and information playback. The combination of CD player, MP3 playback, and FM/AM tuner enables flexible use of various audio sources. The integrated USB interface extends functionality to include playback of files from external storage media. The 24 station memory slots simplify daily use, and the various playback modes offer adaptability to different requirements. Dimensions and weight (approx. 1.0 kg) are designed for installation in standard module carriers, enabling easy integration into existing systems.