[Icom] Icom 756 Pro II Speaker Options

Fri, 9 Aug 2002 23:17:04 -0400

Tried that, it does have the amplifier built in to the subwoofer, even cut
off, it still picks some up enough to be a pain, Oh well, Thanks friend...

----- Original Message -----
From: "Matt Erickson" <[email protected]>
To: <[email protected]>
Sent: Friday, August 09, 2002 11:14 PM
Subject: Re: [Icom] Icom 756 Pro II Speaker Options

> If the system is an "amplified" speaker system, like many are now days,
you
> may never get the RF out of them. Shielding is almost none existent, and
> the amp circuits are prone to RF pick up, best to shut the system off when
> you are on the air.
>
> At 10:11 PM 8/9/02 -0400, you wrote:
> >Matt, thanks for the info. How about computer speakers and RFI getting in
to
> >them. Should I used the same principle, One at the speaker and one at the
> >audio source? Thanks, Steve
> >
> >----- Original Message -----
> >From: "Matt Erickson" <[email protected]>
> >To: <[email protected]>
> >Sent: Friday, August 09, 2002 8:47 PM
> >Subject: Re: [Icom] Icom 756 Pro II Speaker Options
> >
> >
> > > Size and brand/mix of the ferrite is not important, placement is,
place a
> > > core on the line at the rig, and the speaker. That is all there is to
it.
> > > At least two turns on each core, more if the RF feed-back is still in
the
> > > speaker.
> > >
> > > At 10:25 PM 8/8/02 -0400, you wrote:
> > > >What brand and size of core do you use and where do you place it.
Close
> >to
> > > >speaker or closer to source end of output audio? Thank you...
> > > >
> > > >----- Original Message -----
> > > >From: "Matt Erickson" <[email protected]>
> > > >To: <[email protected]>
> > > >Sent: Thursday, August 08, 2002 9:03 PM
> > > >Subject: Re: [Icom] Icom 756 Pro II Speaker Options
> > > >
> > > >
> > > > > Wrap the cable a couple turns around a ferrite core, and I have no
RF
> > > > > feed-back at all on any band at legal-limit.
> > > > >
> > > > > 73 de Matt KK5DR
> > > > >
> > > > > At 07:55 PM 8/8/02 -0400, you wrote:
> > > > > >How about RF, these speakers are usually not shielded very well??
> > > > > >
> > > > > >----- Original Message -----
> > > > > >From: "Matt Erickson" <[email protected]>
> > > > > >To: <[email protected]>
> > > > > >Sent: Wednesday, August 07, 2002 10:04 PM
> > > > > >Subject: Re: [Icom] Icom 756 Pro II Speaker Options
> > > > > >
> > > > > >
> > > > > > > Radio Shack "Optimus" series book-shelf HiFi speakers are hard
to
> > > >beat,
> > > > > >but
> > > > > > > they don't have an ICOM logo on them, but who cares about that
> >stuff
> > > > > >anyway.
> > > > > > > These speakers are all I use, never did care for the
over-priced,
> > > >crappy
> > > > > > > sounding, "matching" speakers.
> > > > > > >
> > > > > > > At 06:01 PM 8/7/02 -0700, you wrote:
> > > > > > > >I have decided to add an outboard speaker to my 756PROII.  Of
> >course,
> > > > > >ICOM
> > > > > > > >offers the SP-20 ($249 list) and the SP-21 ($119) list.  Hard
to
> > > >believe
> > > > > >the
> > > > > > > >small amount of audio filtering the SP-20 provides is useful
> >given
> > > >the
> > > > > >notch
> > > > > > > >feature on the PROII but was wondering what others think?
> > > > > > > >
> > > > > > > >Or, what other products besides the ICOM speakers should I
> >consider?
> > > > > >Other
> > > > > > > >thoughts also appreciated.
> > > > > > > >
> > > > > > > >
> > > > > > > >73 de Jim [email protected]
> > > > > > > >
> > > > > > > >----
> > > > > > > >Your Moderator: Dick Flanagan W6OLD,
[email protected]
> > > > > > > >Icom FAQ: http://www.qsl.net/icom/
> > > > > > >
> > > > > > > ----
> > > > > > > Your Moderator: Dick Flanagan W6OLD,
[email protected]
> > > > > > > Icom FAQ: http://www.qsl.net/icom/
> > > > > > >
> > > > > >
> > > > > >----
> > > > > >Your Moderator: Dick Flanagan W6OLD, [email protected]
> > > > > >Icom FAQ: http://www.qsl.net/icom/
> > > > >
> > > > > ----
> > > > > Your Moderator: Dick Flanagan W6OLD, [email protected]
> > > > > Icom FAQ: http://www.qsl.net/icom/
> > > > >
> > > >
> > > >----
> > > >Your Moderator: Dick Flanagan W6OLD, [email protected]
> > > >Icom FAQ: http://www.qsl.net/icom/
> > >
> > > ----
> > > Your Moderator: Dick Flanagan W6OLD, [email protected]
> > > Icom FAQ: http://www.qsl.net/icom/
> > >
> >
> >----
> >Your Moderator: Dick Flanagan W6OLD, [email protected]
> >Icom FAQ: http://www.qsl.net/icom/
>
> ----
> Your Moderator: Dick Flanagan W6OLD, [email protected]
> Icom FAQ: http://www.qsl.net/icom/
>