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The tone ring does the same job as hole with a tube behind it in your
subwoofer. It makes a ported cabinet rather than a sealed one. This
boosts low frequencies. Common in Hi-Fi speakers, but unusual in
guitar amps.
best
Dano Clam (www.geocities.com/wedontsing)
--- In , "Brian Neal" <bneal@i...> wrote:
> Thats a great story Dano...I'm glad it worked out for Eric. Does
this guy
> you know re-tolex for a living? Does he have a business or anything?
>
> So its my understanding that tone rings let the speaker "breathe".
If a
> speaker is in a sealed cabinet, it has to work a lot harder to move
because
> of the air trapped in the cabinet. If you slap on tone ring on
there, it
> lets air in so the speaker can push out, and lets the air out so the
speaker
> can move in. Since the speaker in a tone-ring cab has an easier
time, it
> sounds better (or thats how it was explained to me).
>
> So......how come Dual Showman cabinets don't have tone rings? They
are
> completely sealed up with no porting. At least mine is.
>
> Thanks,
> BN
