The problem is if you are going to hook up a outboard DSP unit or any
other accessory to the audio line, the outboard unit will have one side
of the audio input grounded. Therefore, you must isolate the audio output
from the Jupiter from ground.
Carl Moreschi N4PY
Franklinton, North Carolina
n4py@earthlink.net
----- Original Message -----
From: "WILLIAM F MANSEY" <WA2PVK@prodigy.net>
To: <tentec@contesting.com>
Sent: Monday, May 21, 2001 4:47 AM
Subject: [TenTec] Jupiter external speaker
>
> Hello all,
> Please excuse me while I ask a dumb question. What is wrong with
using
> an ungrounded speaker with the Jupiter? I noted the "warning" and,
perhaps
> not knowing better, went and connected an ungrounded speaker. This
> particular speaker is one of a pair of "Optimus" mini-bookshelf speakers.
> The other one is connected to my IC-746. Both speakers sound very good
> whether listening to SSB or even AM short-wave broadcasts. They may not
> have the ideal response that a "real" communications speaker would have
BUT
> I have had no problems hearing even weak stations. The cabinets of these
> speakers are made of wood - so I do not think that grounding them would do
> much good anyway. I feel that I may have missed a key posting about some
> type of problem and this is why I am confused about the need for
> transformers and/or other measures. Please bear with me! BILL
>
>
> --
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>
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