Voice 7 Band Equalizer / Sound Compressor with Echo Processor

We designed and built this Microphone Equalizer/Compressor with Echo Processor with a purpose to improve quality of transmiting signal of the radios. Aditionally you are getting the Echo Processor built in the same box with the Equalizer which gives your signal amazing colourful effect.

There are some new features in this device.

1. VFO freq control of your radio by mic's knobs is working now.
2. Slanted front panel allows you feel more comfortable operating with it.
3. Echo Processor.
3. There is NO someone's call sign on its front panel.

Plug in the Equalizer's cord to the 8 pin Mic connector of your radio. Then to hook its power cord up to the power connector on its back wall and to the 12V power supply of your radio or other 12V power adapter. Connect the standard 8 pin microphone of your radio to the Equalizer and it is ready to work.

Turning the pots on its front panel just get an excellent quality of your signal. Listening your own signal on other receiver or controling your signal in the "monitor" mode of your radio try to ajust every pots so you find its best position where you get the quality signal you like. To use the Compressor pot in DX pile ups.

There is a video had been recorded when we tested the Equalizer


Additionally we are offering the Headset / Electret microphone adapter that fits to this Equalizer click here.

To note please:
YAESU equalizers work with the following models of YAESU radios - FT-736, FT-847, FT-920, FT-950, FT-1000MP, FT-1000MP MARK V, FT-1000MP MARK V Field, FT-2000, FT-9000, FTDX-1200, FTDX-3000, FTDX-5000.

Technical data:

Voice 7 band Equalizer with ajusting pots of 100 / 250 / 550 / 1100 / 1700 / 2500 / 3100 Hz
Microphone low noise amplifier with input and output level pots
Echo Processor with Delay and Echo Level ajusting pots
Microphone Compressor level pot
VFO freq control of your radio by mic's knobs
The size of the unit is 170 mm x 90 mm x 45 mm
Weight - 0.5 kg
Length of the cord with 8 pin connector is 55 cm


More pictures of this equalizer and its circuit diagram is there
The tips on how to hook the Equalizer up to your radio is there


This is the high quality product with an excellent performance. Before putting it on a sale I had personally tested this Equalizer on 20m band in SSB mode. First thing I was told by my correspondents was that they were very impressed of a quality of my signal especially of its amazing echo effect.

If you were not satisfied with a purchase then you could always ship it back and I refund your money.