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***Sold*** Electrovoice EV AC ONE audio crossover controller
£120


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Now sold - thank you.

Up for sale is my EV AC One crossover controller. This is in good condition (a few scratches but nothing severe) and operates perfectly. There is some blurb from EV below the photos. I would prefer collection from Bolton Lancs but will post at cost price if necessary. Thanks for looking.

[url="http://s1291.photobucket.com/user/zedsled/media/AC%20ONE/_DSC0008_zpsqzqfgo7t.jpg.html"][/url]

[url="http://s1291.photobucket.com/user/zedsled/media/AC%20ONE/_DSC0010_zpsykzl2eoh.jpg.html"][/url]

[url="http://s1291.photobucket.com/user/zedsled/media/AC%20ONE/_DSC0009_zpspjnaiety.jpg.html"][/url]

The AC One Audio Controller includes a newly designed crossover function (patent pending) that
improves SPL around the crossover frequency. This makes it the ideal solution for systems with
relatively small full-range speakers plus subwoofers. And best of all, you don’t need an engineering
degree. Just trust your ears and be impressed by the acoustical result.
The highest requirements of modern audio applications can be met only by using active multicomponent
loudspeaker systems that can be amplified separately and that reproduce the audio
signal’s individual frequency ranges. Active 2-way installations with additional subwoofer systems
probably offer the best price/performance ratio. The subwoofers reproduce the low-frequency range
of the audio signal, while high-quality, full-range cabinets take care of the mid/hi frequencies and
vocals.
One essential advantage is that vocals are not divided between different speaker systems. This
makes the sound system easier to adjust. Opposite-to-active 3- or 4-way configurations, difficult
analysis, and measurement of sound fields become unnecessary.
Since low-frequency sound is nearly impossible to locate spatially, monaural subwoofers suffice for
smaller stages or rooms. On wider stages, individual subwoofer systems must be used for each
side. If they are not, the level differences between bass and treble audibly degrade the overall
sound. Of course, adding a centrally located subwoofer can also improve the sound quality.
The AC One Audio Controller was designed for use in high-performance installations that employ
active 2-way systems plus subwoofers. Such applications usually incorporate professional linear
power amplifiers like the EV P1200, P2000, P3000, Force, Eliminator or the new P1201 and P1202.
When a processor-controlled power amplifier like the EV P1250 is used, the processor section is
simply switched off.
Installing and operating the AC One Controller is easy as can be. The user does not need to know
any complex detail about crossover functions and equalization. All controls for matching the sound
to different acoustic conditions and loudspeakers are located on the front panel. Difficult tasks—-
for instance, electronic signal routing and settings—-are automatically carried out inside the
controller. The PowerMax 12 crossover function makes optimal use of amplifier output power and
loudspeaker transmission capacities. When compared to conventional crossovers or controllers,
this results in improved overall sound quality achieved with less effort.
The AC One Audio Controller also works well in active 2-way instrument reinforcement applications
for keyboards, electric bass, and drums. The PowerMax 12 crossover function eliminates the oftencomplained-
about "lack of punch and definition" common to conventional active musical
reinforcement systems.
The AC One Audio Controller’s excellent dynamic range of more than 117dB, its extremely low
noise level, and its outstanding price/performance ratio make it an excellent alternative to
conventional crossover and controller solutions, even in the critical field of permanent installation.

Edited by mr zed
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