[Icom] Seeking better audio from my IC-746

Thu, 5 Dec 2002 07:53:33 -0600

In other words, disable every radio feature designed to help pick weak
signals out of the noise. :-)

Andy   K5VM

----- Original Message -----
From: "Dana Hoggatt" <[email protected]>
To: <[email protected]>; <[email protected]>
Sent: Thursday, December 05, 2002 7:51 AM
Subject: Re: [Icom] Seeking better audio from my IC-746

> On Dec 4,  2:20pm, "Clifford, Rick" wrote:
> } Subject: [Icom] Seeking better audio from my IC-746
> }
> } I'm wondering if anyone has tried to improve
> } the quality of the audio from their 746 . . .
>
>
> An external speaker will definitely help.  But
> that's not all you can do.  Here's what we have
> in the IC-746 FAQ on this topic.
>
> Good luck.
>
> Dana, KB9SSS
>
>
> ------------------------------
>
>
> Q:8.11 How does one improve the fidelity of a received signal?
>
> Here is a checklist of several possible actions (not
> in any particular order).
>
> *  Assure precise tuning
>
> *  Use a high quality external speaker or headphones
>
> *  Try to run without pre-amps or with attenuator
>
> *  Reduce the RF gain (increase AF gain to compensate)
>
> *  Set TPBT to widest bandwidth
>
> *  Use wider IF filters
>
> *  Lower level of NR (counterclockwise - to the left)
>
> *  Turn off NR
>
> *  Turn off ANF
>
> *  Turn off NB
>
> *  Set AGC to SLOW
>
> *  Be sure input power is greater than or equal to 13.5 Vdc
>
> *  Use an external AF amp via the ACC ports.
>
> *  Equalize the AF output.
>
>
> ----
> Your Moderator: Dick Flanagan W6OLD, [email protected]
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