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DN330 Equaliser
The Klark Teknik DN330 is a single channel, 30 band equaliser offering 12dB of cut or boost in
1/3 octave steps between the frequencies of 20Hz and 20kHz.
Filter Shape and Combining Action
At the heart of any equaliser is the bank of filters used to shape the signal response, and Klark Teknik
utilise a proprietary filter circuit which replaces which replaces the conventional inductor based circuit,
at the same time, offering several performance advantages. Inductor based circuits are heavy, expensive
to produce and suffer from low frequency distortion and induced hum. Klark Teknik’s proprietary filters
on the contrary suffer none of these problems, yet offer unequalled phase response and control accuracy
with the additional benefits of low noise and minimal ripple.
The nature, shape and way in which individual equaliser filters combine, has a profound effect on the
control provided by the equaliser and on the resulting quality of sound. The majority of applications
within the sound reinforcement, broadcast and recording fields, require a smooth and continuous
equalisation response curve in order to correctly contour the overall response characteristics of a sound
system, loudspeaker, recording effect or audio channel. To achieve this, the individual filters must be
capable of combining smoothly together to result in a continuous response curve, free from shape
discontinuities in order to avoid unwanted audible peaks of anomalies in the final sound.
Individual channel level controls, overload indicators and bypass switches with incorporated low cut
filters are featured on the control panel.
Other features
The bypass switch silently removes the graphic equaliser sections from the signal path. The equaliser
also incorporates variable low and high pass 12dB/octave filters with a range from 2K5Hz to 30kHz
and 15Hz to 300Hz respectively.
Other features include an overload LED per channel, which warns of impending overload at any point
in the equaliser. A detachable security cover is an inherent feature to prevent unauthorised personnel
from tampering with the control settings.
This product is built to the same high electrical and mechanical standards as all Klark Teknik equipment
and is both robust and stylish. It occupies a standard one unit of rack space and has electronically
balanced inputs and outputs.
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