Stereo encoders

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Stereo encoders ensure stereo sound with good channel separation and are sometimes also equipped with RDS and DSP audio processing. Good encoders such as our SE8000 DSP+ have built-in compressor, limiter, balanced inputs, sharp 19KHz stereo carrier notch filter, pre-emphasis, LC input filters and ESD protected inputs which all help to bring out the best sound. We also carry dedicated audio processors with built-in stereo encoders, designed for FM radio stations.

Here is a quick comparison chart between different types of our stereo encoders:

Name SE2000+ SE5000 DSP+ SE7000 DSP+ SE8000DSP+
Available today Yes Yes Yes Yes
RDS plugin board Yes, RM8000+ micro Yes, RM8000+ micro Yes, RDSIO7000+ Yes, RM8000+ micro
Stereo separation Average Average Excellent 114x oversampling Excellent+ 114x oversampling
Supply voltage 12-15V 12-15V 12-15V 12-15V
MAXLINK connection with exciter MAXLINK I (6-pin) MAXLINK I (6-pin) MAXLINK I (6-pin) MAXLINK I and MAXLINK II
On-board audio inputs RCA, USB, headers for XLR RCA, headers for XLR RCA and USB (XLR with RDSIO BOARD) RCA, XLR, USB, jumper for IP streaming module
USB audio Yes No Yes Yes
Built-in IO board No No Yes USB and RS232 (can be extended to Ethernet) No
Separation 20-30dB 20-30dB >55dB >60dB
Built-in DSP No Yes Yes Yes
Built-in limiter Yes Yes Yes Yes
Built-in preemphasis Yes, jumpers Yes, jumpers Yes, LCD Yes, jumpers
Balanced inputs Yes Yes Yes Yes
Audio input noise immunity Average Average Good Excellent
ESD input protection No No Yes Yes
LC input filters No No Yes Yes
Built-in notch 19KHz filter Yes Yes Yes Yes
Can be used with LCD display No Yes Yes Yes
Remove control from PC No No No Yes, LCD unit can be connected to IO board and DSP parameters can be set from PC via USB, RS232 or Ethernet.
VU meter support 3-pin header 3-pin header 3-pin header VU meter is displayed on the LCD automatically, no extra wiring necessary (MAXLINK II).
Control with FM exciter’s LCD Yes, 2015, 6015, 7015, 8015 Yes, 2015, 6015, 7015, 8015 Yes, 6015, 7015 (requires rotary encoder LCD with suitable firmware) Yes, designed for 8015, works also with others, no soldering for VU and MPX signal due to MAXLINK II
Suitable for: Low cost solution with a clean signal, supports RDS Low cost solution with a clean signal, supports RDS, DSP with all functions adjustable from LCD display Excellent solution with a clean signal, supports RDS plugin, with good audio quality and all functions adjustable from LCD display Excellent solution with a clean signal, supports RDS plugin, with top separation, very good audio quality and all functions adjustable from LCD display

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