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Equalizer Operation

David
David Member
edited March 2017 in SmartSDR for Windows
I do not see a 10 db change on the equalizer range, could Flex Radio check and see if the EQ is working as intended? Using EV, RE 20, balanced input,75/2900 tx bandwidth and 1.05 software. I have the 20db boost activated and have tried both the front and rear mic connections. Thanks.

Comments

  • Ed baker
    Ed baker Member ✭✭
    edited September 2016
    Hello I do not use the internal EQ . When I did the system worked exactly like any EQ. I ran my mike through a mike pre amp. Again not adding the +20 DB boost. I set the level at 40 on the slider which illustrated the peak at the 0 spot on the level meter. It is very possible the mike u are using does not have sufficient output and is starving the flex input . Getting back to basics. 1.) My processed audio into the flex is at 0 DB or .8 v 2.) I do not add any 20 DB boost 3.) I do not add any compression via the radio control panel. And I can go in mike 8 pin, back , balanced , or ,line in. All work correctly depending on what type of output I am providing to the radio from the audio system. a great radio with fantastic audio .
  • Tim - W4TME
    Tim - W4TME Administrator, FlexRadio Employee admin
    edited March 2017
    How are you measuring the output to determine what gain you are seeing?
  • David
    David Member
    edited December 2013
    Hello Tim, thanks for the reply. I checked with my 5000a doing on air type test. When I transmit on the 6500 and watch using the histogram display with the 2 k set to 0 I see about 100dbm peak. When I take the slider on the 2k to plus 10 db I see a rise at 2k to about 95dbm. I am not saying it is not working but are we getting + or - 10 db? Thanks, David Gardner
  • Tim - W4TME
    Tim - W4TME Administrator, FlexRadio Employee admin
    edited March 2017
    The EQ is definitely adding the prescribed gain to the audio chain at the center frequency of the slider. We have characterized this in detail. I am not sure how accurate the 5000's Histogram display is in regards to magnitude due to the display bin size. I think we OK

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