(1)Audio 20-bit encoder/decoder.
(2) Audio input/output balance/unbalance transform automatically.
(3) ESD protection.
(4) Transmission distance up to 100 KM.
(5)All components, including connectors, are ordered from public-known manufacturers in the world, high stability and reliability ensurance
(6)Enclosure box material is made of aluminum, elegant appearance, light weight
(7)PCB boards made with environment friendly Pb-free and RoHS Compliant
(8)Convenient instructions of LED status indicator, audio activity, optical link, power supply etc.
Applications
Radio station audio programme transmission
Public site such as gymnasium/theater audio transmission
Introduction
Doteck i4 series is a high performance broadcast quality 4-channel audio transmission system. Input 4-channel analog audio. Output 4-channel analog audio.
Doteck i4 series technical specifications are over broadcast quality, which is widely used in radio stations.
Due to the advanced digital fiber optic transmission technology, almost you need not make any adjustments, simple to set up, easy to operate.
Technical Specification
|
Audio input |
|
|
Number of channel |
4 |
|
Signal Resolution |
20 bits |
|
Frequency response |
20Hz-20KHz@-0.5dB |
|
Operating mode |
Balanced or unbalanced |
|
Max input level |
17.4Vp-p(+18dBm) |
|
Isolation |
>90dB@1kHz;>90dB@20kHz |
|
Input impedance |
600Ω or big resistance |
|
Connector |
XLR |
|
Audio output |
|
|
Number of channel |
4 |
|
Signal Resoltion |
20 bits |
|
Frequency response |
20Hz-20KHz@-0.5dB |
|
Operating mode |
Balanced or unbalanced |
|
Max output level |
17.4Vp-p(+18dBm) |
|
SNR(weighted) |
>90dB |
|
THD |
<0.2% |
|
Isolation |
>90dB@1KHz;>90Db@20khZ |
|
Delay |
2 degree |
|
Amplitude match |
±0.2dB |
|
Output impedance |
small resistance |
|
Connector |
XLR |
|
Physical |
|
|
Dimension(HxWxD) |
43×430×230(mm) |
|
Power Supply |
130 - 255VAC,50-60Hz |
|
Power Consumption |
<20W |
|
Operating Temperature |
0 - +50 ℃ |
|
Humidity |
0 - 95% RH, non-condensing |
|
LED Status Indicator |
Power, Optical Link, Audio Activity |
|
Optical |
|
|
Fiber Type |
Single mode or Multimode |
|
Number of fiber |
1 |
|
Wavelength |
1310nm and/or 1550nm |
|
Fiber Optic Connector |
FC/PC |
|
Transmission Distance |
0-100km |