to play down to 20Hz.
the driver coil can literally go into meltdown (or worse).
Match Filter
The Architect
way systems. That means that the woofer also handles a large part of
The Truth About
subwoofer, a somewhat expensive approach. A more economic ap-
That can really tax a system which is driving multiple speakers from a
amounts of power into ANY kind of speaker -- up to 60% of your
music content can cause over-excursion: The speaker cone attempts to
filter's cut-off point is adjustable via a small screwdriver adjustment on
WITHIN IT'S PRACTICAL RANGE and eliminate lower frequencies
tion-shaking bass from an in-wall speaker, you should add in a separate
15
The equalization part is handled by The Architect
45Hz control. The prevention part is handled by The Architect
Programmable
reproduce unrealistically low bass, its ability to produce midrange is
lowest bass, will make the bass sound cleaner, punchier and even louder.
panel
bass to small speakers. Most bookshelf and in-wall loudspeakers are 2-
compromised due to intermodulation distortion. So not only don't you
which either can't be reproduced or which incite excessive cone travel.
Model 100 & Model 200
100 and Model 200's Programmable Frequency Match (PFM) filter
ing on the application, your custom installer or dealer may suggest
Match Filter
Pragmatically, it boils down to this: If you want ultra-low, founda-
Frequency
tm Model 100 and Model 200. When you
along, ESPECIALLY when you DO have ample power. The low bass
get low bass, you get lousy vocal and instrumental reproduction.
tm Model 200's
Highpass filter control on back
The Truth About Bass And The
destruction sets in, there are other problems with feeding super-low
the rear of The Architect
Now that digital audio is the favorite musical source, there's more
in the speaker. If more heat is built-up than the speaker can dissipate,
receive your unit, it is programmed with a 40Hz bass cut-off. Depend-
Bass & The
travel farther than its physical limits, potentially causing damage (in
single amplifier channel. The second problem is that bass produces heat
Programmable Frequency
low bass running around in a typical system. Low bass injects large
Installer's Guide
the critical midrange area. When the woofer is bashing around trying to
AudioControl's Programmable Frequency Match circuit is an
proach is to equalize the speaker for maximum low bass output
tm Model
PFM too low because somebody thinks that a 6" woofer should be able
amplifier's output is being used to reproduce frequencies under 100Hz.
changing the filter frequency. Don't let ego get in the way and set the
circuitry. While it may seem surprising, actually cutting off some of the
adjustable subsonic filter which cuts off low frequencies. The PFM
In addition, ultra-low bass and small speakers don't always get
some cases you can actually hear a clacking sound!). Even before
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