[TenTec] Is Jupiter > Icom 746: what is "quiet"?
Mon, 1 Apr 2002 17:57:29 -0500
"am beginning to wonder what "quiet" is"
Thats the million dollar question. To me a quiet receiver is when there is a
signal down in the mud such as on 75 or 160 meters. Turning up the af gain
makes the floor noise the same but make the station signal louder. Thats to
me is a quiet receiver. The filters help but in some cases just the
quietness of the receiver is the only thing that will bring that station in.
----- Original Message -----
To: "Joe Word" <email@example.com>
Sent: Monday, April 01, 2002 5:39 PM
Subject: Re: [TenTec] Is Jupiter > Icom 746: what is "quiet"?
> Hi all -
> I find it quite interesting that Joe has aid the Jupitor is quieter. I
> way of knowing since I have never even seen a Jupitor. What I am REALLY
> about is how the phrase "Quieter" is defined. In one sense, if you hear
> a rig will be really quiet! On the other hand a rig could be quiet yet in
> so shut out some signals you'd really like to hear. I know I sound like a
> idiot, but I am beginning to wonder what "quiet" is. Anybody care to share
> practical definition of a "quiet rig"?
> I have an interesting last two months which I feel has opened my eyes a
> When I finally cleared up a few internal shack errors (with George's
> 756 PRO ran circles around my OMNI V. A took me a little bit of time to
> some problems that I created when I rearranged my shack upon getting the
> mainly ground loops and RFI. (One thing I did was hookup an external audio
> that is totally cool). Once my idiot mistakes were taken care of I could
> experience the 756 PRO. It is a phenomenal rig.
> Now don't get me wrong, I LOVED that OMNI V and I love TenTec as a
> still do and always will. But I have to say that I feel I listened to the
> "crystals are the only way" theme for too long and it made me narrow
> 756 PRO is one terrific rig - no matter where it's made.
> Now here's the interesting part - once I learned how to use it and got
> the characteristics of a DSP rig, I realized my "quiet" OMNI was not
> sigs the 756 was hearing. I know very little about interpreting the spec
> comparisons as shown on Elecraft's chart for all the major rigs, but I do
> what I hear in the shack. So how do we define a "quiet" receiver?
> Quoting Joe Word <firstname.lastname@example.org>:
> > John,
> > I did own an Icom IC-746 and now own a Jupiter.
> > Compared them side-by-side for about a month. I
> > decided to keep the Jupiter and sell the IC-746
> > because the Jupiter was much quieter on receive. Here
> > are my thoughts on the two rigs:
> > Jupiter strong points.
> > 1. Quiet receiver.
> > 2. Better audio reports on transmit.
> > 3. Digital filters, I use them as often as I use RIT.
> > 4. Very seldon use NR because the rig is so quiet, but
> > used NR all the time on the IC-746. NR does work great
> > on 75 meters and has no (none) watery sound.
> > 5. Not picky about SWR, will put out full power at
> > high SWR.
> > IC-746 strong points and what you lose with the
> > Jupiter.
> > 1. One button band selection.
> > 2. Triple band stacking registers.
> > 3. Twin passband tuning.
> > 4. Antenna tuner.
> > 5. Much better display.
> > 6. Better control knob feel, the Jupiter's multi knob
> > feels like you are turning a stick molasses.
> > 7. Less prone to have RF problems in rig.
> > Well this is my opinion...
> > Joe K9MAN
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