[Icom] Seeking better audio from my IC-746

[Tony Hwang]

Hi,
I use SP-20 as well with my 765. If desired, ext. speaker with built-in 
amp, equalizer will do
quite well. My SP-20 has an after market speaker made for mobile audio 
which improves the
sound quality.
73,
Tony, VE6CGX

Siu Johnny wrote:

>An external  speaker will be certainly better.  I am using the ICOM SP-20
>which is very good indeed.  However, I feel the SP-20 is very pricy so that
>you may wish to shop around the market.  Any set-up with 5 inch diameter
>speaker will be fine but you have to pay attention to the frequency response
>and RF shielding arrangement.  The use of toriod as RF choke along the
>speaker input cable could be a way to avoid RF feed to the speaker.
>
>With respect to the speaker inside the rig, I did in the past replace it
>with a better quality mid-range speaker. Clearly, you have to get one with
>matched size.  The result of the modification is good for my IC756.
>
>73
>
>Johnny VR2XMC
>
>
>----- Original Message -----
>From: "Bruce D. McLaughlin" <bmclaugh@buckeye-express.com>
>To: <icom@mailman.qth.net>
>Sent: Thursday, December 05, 2002 5:48 AM
>Subject: RE: [Icom] Seeking better audio from my IC-746
>
>
>  
>
>>I use an RCA speaker I purchased for about $20.00 from Radio Shack.  It
>>has a tweeter and woofer and is in a decent enclosure.  It works very
>>well with my 765.  That rig, by the way, does have a tone control.  I
>>think a decent auxiliary speaker in that class might well be worth a
>>look.
>>
>>I think you might achieve some change in tone by playing with the IF
>>shift to either emphasize the high or low frequencies.  Of course there
>>are limits as to how far you can go with that before you begin to have
>>an adverse impact on signal sensitivity and the signal to noise ratio.
>>
>>Bruce - W8FU
>>    
>>
>
>----
>Your Moderator: Dick Flanagan W6OLD, icom-owner@mailman.qth.net
>Icom Users Net: Sundays, 1700Z, 14.315 MHz
>Icom FAQ: http://www.qsl.net/icom/
>
>  
>



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