Re: Revealed: Re: Audio Shootout - Aluminum vs. Paper Cones


"Deputy Dumbya Dawg" <Deppputyy_Dumbyaa_Daawwg@xxxxxxxxxxxxxxxx> wrote in
message news:jnSJh.12640$tD2.3401@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx

"Mike Rieves" <mriev@xxxxxxxxxxx> wrote in message
news:cVKJh.7448$B7.377@xxxxxxxxx
:
: "Brian Running" <brunning@xxxxxxxxxxxxxxxxx> wrote in
message
: news:pfyJh.6687$yW.5321@xxxxxxxxxxxxxxxxxxxxxxxxxxxxx
:
: > Here are the questions, yet again.
: >
: > Answer this question, yes or no: Are there vented
enclosures that have
: > something other than a 24 dB per octave roll-off?
Yes or no! If you
: > answer yes, then provide me with authority to
support your answer, in the
: > form of a cite to a recognized source -- not a
Wikipedia entry.
:
: Yes, only fourth order vented enclosures roll off at
24 dB/oct, other orders
: will roll off at 12, or 18dB/oct, Sealed enclosures
roll off at 12dB/oct.

I think you should check on the 18db/octave roll off.
What type of design will roll off at 18dB in the
ultimate reject band after the F3 or -3dB point?

Certain aperiodicly damped enclosures are third order and will roll off
at 18dB/oct. Sixth and eighth order enclousres are bandpass types and though
I've seen PA subs like that, I don't believe I've ever seen them as bass
guitar cabinets.However, I have seen aperiodicly damped bass guitar
cabinets.


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