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634-01 - ACTIVE AM Loop Antenna


Quick Overview

DSP-Based Stereo Generator with RDS/RBDS encoder
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DB9000-STC is a high-performance, 32bits DSP based Stereo Generator with built-in RDS/RBDS encoder. It has been successfully designed to satisfy the most demanding requirements of FM Stereo generation and advanced RDS/RBDS encoding. This Stereo Encoder accepts both, Analog and Digital AES/EBU audio sources. DB9000-STC comes with an easy to use and password protected Web Server and a comprehensive remote control features. It supports SNMP, RS232, UDP, TCP/IP communication protocols. Its digital architecture guarantees long term reliability and easy firmware updates, directly on field or from remote.

The built-in RDS encoder can 'parse' scrolling text, automatically breaking phrases into word groups. It gives dynamic, on-the-fly programming access with its built-in USB, TCP/IP, UDP/IP interfaces. This connectivity permits full integration of RDS/RBDS transmissions with the station’s other networked functions, including message streams for digital radio and Webcasting. It can be easily interfaced to various Automation Systems and offers an ASCII protocol for broadcasting song/artist information.

Another impressive feature of the DB9000-STC is that it can fight the dreaded dead air problem. The DB9000-STC provides additional uncompromising security in case of loss of audio at the audio inputs. The audio backup is presented as an integrated built-in MP3 audio player. The basic principle of operation is that this unit can detect the silence and switch the output to the alternative MP3 Player. The MP3's backup audio files and play lists can be uploaded in the device from your PC using any FTP client. The audio storage capacity of DB9000-STC is 2 Giga Bytes.

Based on the latest DSP technology, the DB9000-STC is fully digitally designed for 24/7/365 operation. This product is the most cost effective, versatile and reliable solution designed for the broadcasters looking for a customized solution for a single, or a multiple transmitter sites.

  • Fully Digital 32 bits DSP Stereo Encoder
  • Excellent Audio Performances
  • Digital Volume Control of all Audio Inputs
  • Adjustable Pilot, L-R, RDS phases
  • Selectable pre-emphasis 0, 50µs, 75µs
  • Digitally adjustable Pilot & RDS injection levels
  • Fully Digital Synthesis of the RDS Signal
  • Intelligent Silence Detector and Backup Audio Player
  • Configuration and Monitoring via SNMP Ver.2C & WEB
  • Alert Notifications via E-mail, SNMP in case of Audio Loss
  • Lots of Storage for over 24 hours of non-repeating audio playback
  • Always Fresh Backup Audio Tracks with Embedded FTP server
  • Professional Balanced Stereo Analog Input on XLR connectors
  • Professional Digital AES/EBU Audio input on XLR connectors
  • Headphones Jack for local monitoring of the Audio Signal
  • Built-in MP3 Player with built in 2GB SD Card
  • UPnP for easy discovery in Local Networks
  • Professional 19 inches, 1U Professional rack mount chassis
  • Remote Firmware Upgrade for future-proof operation
  • Protected access to the device settings
  • Easy installation and operation
  • 2 Years Warranty


Analog audio input


2 x XLR, Stereo




600Ω or High Impedance


+6dBu / +12dBu, user selectable

Sample rate

96 kHz; Build-in sample rate converter used to produce lower sample rates

Dynamic range



Digital audio input




AES/EBU (IEC 60958)


Thru build-in sample rate converter


Audio backup


Audio Silence


Adjustable, -90dBFs to 0dBFs

Trigger time

Adjustable, 5s to 240s


SD Card, up to 2GB

Supported file types

*.MP3, *.AAC, *.M4A, *.M3U

Playback modes

Alphabetical ascending and descending, Shuffle, Playlist and Shuffled playlist

Remote file management

Build-in FTP Server


Stereo Encoder


Fully DSP Stereo Encoding


0, 50, 75µs


5 presets, 2 user defined


3-Band, ±12dB range

Stereo separation

>55dB (typically >60dB)

Phase Adjust

Pilot, L-R, RDS

Injection Levels Adjust

Pilot, RDS

Output Connector

BNC, Unbalanced

Output Level Adjust

Digitally, up to 0dBu

Composite MPX Limiter

6 presets, 3 user defined


RDS Encoder

Supported RDS Applications

PI, PS, Dynamic PS AF, RT, TP, TA, DI, M/S, PIN, PTY, PTYN


Web Interface

Automation control

Remote TCP console

Output Connector

BNC, Unbalanced

Output Level Adjust

Digitally, up to -6dBu

Phones Audio Output


1/4" (6.3mm) Phone Jack, Stereo




User Interface


4 LEDs on front panel, 2 LEDs on rear panel

Web interface

Full control and status information




TCP/IP to RS-232 Redirector


DB-9, female

Baud rates

9600 to 115200

Password protection









Power requirements


115/230V AC (internal switch), 18VA


IEC320, rear panel


Size and Weight

Dimensions (W;H;D)

483 x 45 x 180 mm

Shipping Weight

540 x 115 x 300 mm / 2.7kg