Those miniplug adapters use a bent piece of metal
to hold the plug in place.? Most of these things are a heap of junk.?
So, b would be the likely cause.? This happens a lot.? Open it up and
bend them back into place.?
?
As far as your AM reception is concerned.?
This happens to me when I plug my guitar into an amp with a poor quality
cable.? Chances are, your cable is not shielded well-enough.? It may
also occur if you have split the cable in anyway and have not properly shielded
it again.? I can almost guarantee you that if you were to replace your
cable with a properly shielded one, that your problem would
dissappear.
?
Shaun.
?
?
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----- Original Message -----
Sent: Monday, October 22, 2001 3:49
PM
Subject: [Electronics_101] Re: Patch
cords Revisited
Seeing as how someone here has had the
experience....
I used the stereo miniplug method to attach a small tape
player/radio to a home stereo/amp.?
I think it happens about
this time of year... when it starts getting
cold.
I could swear
(and routinely do so at the thing when this
happens), the plug seems to no
longer fit.? IOW, it gets so the
plug is no longer seated firmly in
the player's ear jack.
Anyone know why?
a. Does the cold shrink
the plug (but not the jack too???),
b. the metal loses its firmness and
loses springy character,
c. some strange metal-to-metal conduction effect
from cold,
d. dampness (instead of cold),
I would gladly rip out the
minijack and substitute a 1/4" but
there's no room in the
walkman.
BTW- When connecting to amp with a longer cable, I also get
weird "short wave" reception on the AM band. (Hint: Most people
know
how the earphones to walkmen act as antennas--BUT
THAT ONLY APPLIES TO
FM.?? Also, few radio portables seem to
bother with AM
antennas.)
From an old post:
[Larry Hendry]
>
I agree with Jim on size.? The 1/4 phone jack has long been
standard
> for audio patching.? The nice thing about that
standard is that
you
> can find many sources of these ready made or
custom made.
> Personally, I prdfer to spend time on circuits and leave
the
cable
> soldering to somone else.? I just soldered so many
in my life, I
> would rather not.
>
> Now, whether you use
1/4 mono 2 conductor, or 1/4 3
conductor TRS
> (tip, ring, sleeve)
often called stero, really depends on your
> application.
>
> Larry Hendry
>
>
> --- Jim Purcell
wrote:
> > andrij,
> >
> >
> I'm building a couple simple audio circuits, but want to be
able
> > to use
> > > modular input devices.
>
>
> > Larger jacks are better unless you plug them in only on
rare
> > occasion.
> >
> > Jim
>
>
>
>
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