Hi Ron,
I hear a difference but I wouldn't classify it as distortion
or muddy. What it sounds like to me is the Orion II has much more
bass boost than the TS-870 or the TS-870 has bass cut or boosted
Treble. How did you record this? Did you take if directly from
the speaker? or did you use the line output? The TT speaker I
think has much more bass than most of the other speakers. In fact
when I first put the TT speaker on my Jupiter I almost took it
out of line and put the old Motorola mobile speaker I was using
back on. The mobile speaker allowed many more highs to pass or
cut the low's or both. But after using the TT speaker a few days
I realized that it gave much better reception as far as reduced
interference from nearby stations and even the NR worked better.
However if I was going to use it a lot on broadcast I would go
back to the speaker with the greater highs.
73 Jim K4CGY
--- Ron Castro <ronc@sonic.net> wrote:
> One of the items on my "wish list" for the Orion II is to fix
> the AM receive audio, which sounds to me like a problem in the
> DSP code that causes distortion and 'muddy' sound. It's most
> noticeable during selective fades that cause a serious clipping
> effect. Last night, I made an MP3 of a local AM radio station
> comparing the O2 to a TS-870, and sent it to TT service. This
> morning, TT said they couldn't hear any difference between the
> two receivers. Is it my ears or what? The link to the clip is
> below. The O2 is the first 60 seconds and the 870 is the
> second 60 seconds. Bandwidth on the O2 is 6 kHz, while the 870
> is 3 kHz, although as you'll hear, it sounds just the opposite!
>
> http://n6ie.com/OrionII_vs_870.mp3
>
> Can anyone besides me hear the difference?
>
> Ron N6IE
> www.N6IE.com
> (Formerly N6AHA)
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