[ICOM] PRO vs PRO2

[David J. Ring, Jr.]

Thanks Adam, I hadn't noticed that yet as my material on the 7000 is sparse.

But I would it would be a good competitor for the 706 -

How about you, Adam, if it were EVEN money, would you buy the 706MK2G or the 
7000?

An interesting question - I actually wouldn't jump at the 7000 because of 
how good the '706 is.

Of course it brings up the question - where is the balance between analog 
and digital?

When technology is able to bring DSP i.f. up to the 400 kHz range, it would 
be VERY interesting to mix mechanical / crystal filters with DSP "backbone" 
of ultimate rejection.

Would the "natural" shape factor of mechanical or crystal filters still 
"sound" better then?  I like Collins filters - they have a beautiful sound - 
but at the bandpass ends, they're obviously not as quiet as DSP - they have 
hiss leakage, etc.

But imagine a flat DSP bandpass with brick wall AFTER that Collins filter?

Awesome, I'd think.

73

David N1EA



----- Original Message ----- 
From: "Adam Farson" <farson at shaw.ca>
To: "'ICOM Reflector'" <icom at mailman.qth.net>
Sent: Friday, August 19, 2005 9:19 PM
Subject: RE: [ICOM] PRO vs PRO2


Hi Dave,

The DSP in the 7000 is slower than in the 756Pro series or in the
746Pro/7400. The final (DSP) IF is 16 vs. 36 kHz.

What I have seen thus far is that the filter shape factors are not quite as
good; SSB 2.4 kHz is 1.625 vs 1.50.

Cheers for now, 73,
Adam VA7OJ/AB4OJ


-----Original Message-----
From: icom-bounces at mailman.qth.net [mailto:icom-bounces at mailman.qth.net] On
Behalf Of David J. Ring, Jr.
Sent: 19 August 2005 13:27
To: ICOM Reflector
Subject: Re: [ICOM] PRO vs PRO2

The very sharp 50 Hz filtering is better in the PRO2 than in the PRO.

But there are several reviews around that say the improvements to the PRO2's
dsp chain were mostly incorporated into the IC-746PRO.

I'd go for a 746PRO or I'd wait for the new IC-7000 coming out and go for
that.  More bang for the buck.

73

DR


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