[Icom] Re: Icom digest, IC-746PRO issues

[Steve Jones]

Yes but George if you run any power with no offense intended, you tend to
get RFI through the receiver or at least I have and find my nice Yaesu SP5
speakers sound great. Oh well just my thoughts, Steve
----- Original Message -----
From: "George, W5YR" <w5yr@att.net>
To: <icom@mailman.qth.net>
Sent: Friday, May 17, 2002 12:49 PM
Subject: Re: [Icom] Re: Icom digest, IC-746PRO issues


> The "secret" to hearing the exceptional audio that the PRO *can* produce
is
> to go either of two ways:
>
> 1. take the receive audio from the ACC1 connector on the rear panel and
run
> it through a small amplifier to as large a speaker system as you can
> provide. This provides the best available audio output.
>
> 2. connect the largest speaker you can provide to the Speaker output on
the
> rear panel. This is the second-best approach.
>
> Either of these is far superior to the little internal speaker or even to
> the SP-20 and SP-21 Icom speakers. I initially used my SP-20 when I first
> got the PRO and was impressed with how much better it sounded than my 765
> using the same speaker. But when I took the audio from ACC1 and ran it
into
> an old stereo receiver/amp into a large stereo speaker cabinet with some
> very old but still very good speakers, then for the first time I really
> could hear what the PRO could do.
>
> Any judgements as to audio quality of any radio using the small internal
> speakers can be pretty far off base. It takes a large, decent speaker to
> reproduce the frequency range the PRO can produce, especially from ACC1.
> That range, incidently, is essentially from zero Hz to over 3600 Hz.
>
> A final somewhat negative comment: the analog internal audio output system
> in the PRO is "alright" but it is noisy and distorted compared to the
> signal obtained from ACC1. For routine ham operations, the sound is
> adequate, but for really enjoyable listening, especially to the
> higher-quality SSB stations and SWBC AM stations, an external amp/speaker
> operated by the ACC1 output is the way to go.
>
> 73/72/oo, George W5YR - the Yellow Rose of Texas
> Fairview, TX 30 mi NE of Dallas in Collin county EM13qe
> Amateur Radio W5YR, in the 56th year and it just keeps getting better!
> QRP-L 1373 NETXQRP 6 SOC 262 COG 8 FPQRP 404 TEN-X 11771 I-LINK 11735
> Icom IC-756PRO #02121  Kachina 505 DSP  #91900556  Icom IC-765 #02437
>
>
> anthony costa wrote:
> >
> > hi pipy,you have to remmember,40 years ago your ear drums had less wax
in
> > them.you now have a tin ear so that might be the problem or your 756 pro
is
> > a lemon.I cant tell you.I can say i have a 756 pro and the recieve audio
is
> > the best ive heard and i have quite a few radio's.you might want to
check
> > you pro out to see if its in alingment.good luck.
>
> ----
> Your Moderator: Dick Flanagan W6OLD, icom-owner@mailman.qth.net
> Icom FAQ: http://www.qsl.net/icom/
>