I just built and installed the KSB2 for my KS SN5319. I used the capacitors
for 2.6 MHZ bandwidth and the transmit audio sounds excellent and full
bodied as tested on my Mark V. I did notice on the receive audio that there
is some roll off below 450 HTZ regardless of where the filter/BFO is set.
The roll off is gradual until it gets to the filter edge so I am not too
concerned about this for communications purposes, but it does take away from
the ability to get that full bodied sound on receive that I get on my Mark
V. I suspect that this roll-off must be in the audio circuit and I wonder if
anybody else has ideas on this.
The other thing is that the compressor does not seem to work. There is no
detectable difference between 1:1, 2:1, 3:1 or 4:1 settings. The transmitted
signal sounds really good otherwise. I am using a standard Yaesu MH-31
dynamic mic that is known to work good on other radios.
Thanks for your help and ideas!
Dean
KG7MZ
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