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Crucially, however, the most notable advantage of this product are the MPX inputs and outputs providing precisе MPX monitoring and backup capabilities. Similarly to other tools in this product line, the DB8009-MPX also offers the familiar MP3 and IP Audio backup options. Its design incorporates a fully DSP-based Stereo Encoder which provides an MPX signal at the output even if the backup source has been set as Analog, Digital or IP Audio.
The unit can be easily configured and monitored by users via SNMP, the WEB Interface, the front panel LCD display and the set of soft buttons. Another important feature is its capability for alert notifications which, in case radio silence is detected, can be generated via email, SNMP or analog opto-coupled outputs.
The DB8009-MPX provides UPnP for easy discovery in local networks, as well as digital volume control of all audio sources, and can be incorporated effortlessly into the setup of either a single station or large radio networks. Through a standard FTP client, MP3 backup files can be uploaded onto the device, which also has a 4GB storage capacity ensuring no repetition of audio tracks for over 24 hours of playback.
The DB8009-MPX is a model that combines the immaculate monitoring performance of DEVA ’s products with the much-valued precision of the Analog, Digital Audio and MPX silence detection to deliver a constant, uninterrupted audio feed.
Features
Specifications:
Main MPX (Composite) Input | |
Connector | BNC Unbalanced |
Impedance | 10 kΩ |
Frequency Range | 10 Hz to 200 kHz |
Level | 100% reference in range -12dBu to +18dBu, 0.1dB step, software controlled |
Main Analog Audio Inputs | |
Connectors | Balanced XLR |
Impedance | 600Ω or high impedance |
Level | 0dBFS reference in range -12dBu to +18dBu, 0.1dB step, software controlled |
Dynamic range | >80dB |
Digital Gain Adjust | -10db to +10dB |
Main Digital Audio Inputs | |
Connectors | Balanced XLR, Coaxial |
Sample Rates | 32, 44.1, 48, 96 kHz |
Digital Gain Adjust | -10db to +10dB |
Aux MPX (Composite) Input | |
Connector | BNC Unbalanced |
Impedance | 10 kΩ |
Frequency Range | 10 Hz to 200 kHz |
Level | 100% reference in range -12dBu to +18dBu, 0.1dB step, software controlled |
Aux Analog Audio Inputs | |
Connectors | Balanced XLR |
Impedance | 600Ω or high impedance |
Level | 0dBFS reference in range -12dBu to +18dBu, 0.1dB step, software controlled |
Dynamic range | >80dB |
Digital Gain Adjust | -10db to +10dB |
Aux Digital Audio Inputs | |
Connectors | Balanced XLR, Coaxial |
Sample Rates | 32, 44.1, 48, 96 kHz |
Digital Gain Adjust | -10db to +10dB |
IP Audio Source | |
Number of Streams | one main and two alternative streams with auto-switch on failure |
Stream Clients | shoutcast, icecast |
Stream Formats | PCM, MPEG1 Layer 3 (MP3), HE-AAC (v.1 and v.2); all at 32, 44.1, 48kHz only |
Bit Rates | All standard bit rates, including VBR |
Number of Channels | Mono, Stereo |
Buffer Size Adjust | 5Kb to 64Kb |
Digital Gain Adjust | -10db to +10dB |
Built-In MP3 Player | |
Storage Capacity | 16Gb on SD Card |
Supported encoders | HE-AAC (v.1 and v.2), MPEG-1 Layer 3 |
MP3 bit rates | 32-320 kbps and VBR |
Sample rates | All sampling frequencies specified by MPEG1 L1/L2/L3 (32, 44.1 and 48kHz) |
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 |
Digital Gain Adjust | -10db to +10dB |
MPX (Composite) Output | |
Connector | BNC Unbalanced, EMI suppressed |
Internal Stereo Encoder | |
Output level | Up to +12dBu, 0.1dB step, software controlled |
Pilot level | 0% to 15% |
D/A conversion | 24 bit, differential |
SNR | >80 dB (20Hz - 15kHz bandwidth, Digital input referenced to -10dBFS, unweighted) |
THD | < 0.01% (20Hz - 15kHz bandwidth, Digital input referenced to -10dBFS, unweighted) |
Stereo Separation | >60dB |
Crosstalk | >70dB |
Pilot protection | >90dB relative to 9% pilot injection, ±250 Hz |
38 kHz suppression | >80dB (referenced to 100% modulation) |
Analog Audio Output | |
Connector | Balanced XLR |
Frequency response | ±0.5dB, 5Hz-20kHz |
Distortion | <0.01% THD+N |
Level | Up to +18dBu, 0.1dB step, software controlled |
Dynamic range | >80dB |
Digital Audio Outputs | |
Connectors | Balanced XLR, Coaxial |
Sample rates | 32, 44.1, 48kHz |
Phones Audio Output | |
Connector | 1/4" (6.3mm) jack, stereo |
Type | Headphones |
Audio Silence Detector | |
Loss Threshold | Adjustable -90dBFS to 0dBFS |
Trigger time | 1 - 240s |
Recover Threshold | Adjustable -90dBFS to 0dBFS |
Recover time | 1 - 240s |
MPX Silence Detector | |
Loss Threshold | Adjustable 0% to 100% |
Trigger time | 1 - 240s |
Recover Threshold | Adjustable 0% to 100% |
Recover time | 1 - 240s |
User Interface | |
Indicators | 5 LEDs on front panel, 2 LEDs on rear panel |
Web interface | control, configuration and status information |
SNMP interface | control, configuration and status information |
Front Panel | LCD with Keyboard |
Network | |
Connector | RJ-45 |
Type | Ethernet |
Device Discovery | UPnP support |
Operating conditions | |
Temperature | 10°C - 45°C |
Humidity | < 75%, non-condensing |
Power | |
Voltage | 115/230V AC (internal switch) |
Power Consumption | 20VA |
Connector | IEC320, Fused and EMI-suppressed |
Size and Weight | |
Dimensions (W;H;D) | 483 x 45 x 160 mm |
Shipping Weight | 540 x 115 x 300 mm / 2.900 kg |
HS Code | 8519891900 |