Yes, the v1 audio response at 0dB was much flatter than v2. There's also a
rolloff at low freq (<150hz) in v2 such that it can't be restored with the
EQ control to have the same low end extension as v1.
73, Barry N1EU
On 3/15/06, Bill Tippett <btippett@alum.mit.edu> wrote:
>
> I wrote:
>
> >Everything looks (using Spectrogram) and sounds
> identical and PBT works correctly on both.
>
> Well maybe not identical. Bandwidth is
> identical but SSB audio response is not flat
> according to Spectrogram. Also the audio
> response for Main RX is slightly different
> than for Sub RX. Main seems to slope up
> slightly and Sub slopes down slightly. With
> 0 dB RX EQ, both should be perfectly flat.
> You can also hear this in the character of
> the noise when you switch between the two.
> The same is true in CW mode also. Maybe
> EQ needs a little more tweaking. I'm not
> sure if this is a problem in V1 or not since
> I've never really checked it before.
>
> 73, Bill W4ZV
>
>
>
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