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adjusted in different frequency bands to<br />
match the position of membrane and coil.<br />
The AOI system allows the reproduction of<br />
sound without transducer colouring over<br />
the whole frequency range.<br />
Practical Advantages<br />
The PSI <strong>Audio</strong> speakers featuring the AOI<br />
system have superior impulse behaviour<br />
to traditional amplifi er designs. Whilst the<br />
transducer travels to its intended position,<br />
the AOI circuitry seamlessly adapts the<br />
amplifi ers output impedance to ensure ideal<br />
acceleration of the membrane to reproduce<br />
the desired impulse. Once the transducer<br />
reaches the end of the impulse, the AOI<br />
circuitry provides a break in order to act<br />
against an overshooting of the transducer.<br />
The AOI circuitry is almost capable of<br />
reproducing a square wave and there<strong>for</strong>e<br />
increases accuracy by marrying the<br />
monitors <strong>2009</strong><br />
++PSI++++PSI++++PSI++++PSI++++PSI++++PSI++++PSI+<br />
NEW: PSI <strong>Audio</strong> A214-M!<br />
• Full symmetric dispersion<br />
• Very compact<br />
• Amazing SPL<br />
• Swiss precision<br />
The PSI <strong>Audio</strong> A214-M is mainly designed as a centre speaker <strong>for</strong> surround monitoring<br />
applications. However, the unit may also be used as a basic component <strong>for</strong> all monitoring<br />
requirements.<br />
Thanks to its large dispersion,<br />
as well as its full symmetric<br />
construction, the A214-M is<br />
perfectly adapted to all situations<br />
where intelligibility and a wide<br />
spectrum are required, <strong>for</strong> instance<br />
as a centre speaker in surround<br />
PSI <strong>Audio</strong> A214-M<br />
systems.<br />
The A214-M employs two woofers of 147/104mm and one tweeter of 100/25mm, <strong>for</strong> a<br />
programme power-handling of 160W. The speaker has suffi cient acoustical output to satisfy<br />
the requirements of post-production and fi lm mixing suites, as well as <strong>for</strong> other mixing<br />
applications.<br />
The low height of the A214-M (166mm) allows the speaker to easily be incorporated into<br />
surround installations where space is an important factor.<br />
Contact us to test it: www.psiaudio.com<br />
Key Technical Data:<br />
Continuous Max SPL, 1m. 108dB (single)<br />
Programme Max SPL, 1m. 119dB (pair)<br />
Response at -6dB 53-23000 Hz<br />
Tolerances +/-2 dB (60Hz – 20kHz)<br />
Distortions THD ‹1.2% (120Hz – 12kHz)<br />
Cabinet Dimensions (WxHxDmm) 166 x 446 x 200<br />
transducer and the amplifi er into a<br />
perfect couple. From our experience,<br />
a nice side effect of the AOI system is<br />
that the membranes of a PSI speaker do<br />
not produce parasitic sounds when other<br />
speaker systems in the room are in use.<br />
When air pressure changes due to other<br />
sound sources, the AOI will detect this and<br />
tighten the damping of its transducers<br />
in order not to produce parasitic sounds<br />
(sounds not present at the input). In today’s<br />
times where much more importance<br />
is given to the low end reproduction of<br />
sounds, especially when using sub woofer<br />
technology in surround sound systems,<br />
the importance of a monitoring system<br />
that has an accurate, and not a fl attering,<br />
reproduction becomes essential. As a result<br />
of the AOI, the PSI <strong>Audio</strong> speaker range has<br />
a highly accurate impulse behaviour, with a<br />
minimum of transducer coloration.<br />
Company<br />
PSI <strong>Audio</strong> is the brand name of Relec,<br />
a Swiss company specialising in high<br />
per<strong>for</strong>mance professional studio monitors.<br />
Since it was <strong>for</strong>med in 1977, Relec has<br />
developed a huge variety of speakers<br />
<strong>for</strong> Hi-Fi, PA, and Professional Studio<br />
applications, a large number of which are<br />
OEM products produced <strong>for</strong> respected<br />
international companies who label and<br />
market the speakers under their own<br />
brand names.<br />
Many of these products have gone on to<br />
win the industry’s most desirable awards,<br />
as well as being extremely enthusiastically<br />
received by the professional press.<br />
Today, PSI <strong>Audio</strong> has evolved into a<br />
worldwide brand, producing the ultimate in<br />
professional studio monitors.<br />
CONTACT DETAILS<br />
HQ/US/UK DISTRIBUTOR<br />
Relec SA<br />
Z.I. Petits-Champs 11 a+b<br />
CH-1400 Yverdon-les-Bains<br />
Switzerland<br />
t +41 (0) 24 426 04 20<br />
f +41 (0) 24 426 04 51<br />
e info@psiaudio.com<br />
w www.psiaudio.com<br />
GERMAN DISTRIBUTOR:<br />
Synthax GmbH<br />
t +49 (8133) 91810<br />
e info@synthax.de<br />
DUTCH DISTRIBUTOR:<br />
Helios Recording & Broadcast<br />
t +31 23 5172666<br />
e sales@helios.nl<br />
THE INTERNATIONAL AUDIO MONITORS BUYER’S GUIDE 25