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In order to deliver superlative performance and control, the 452 equalizer incorporates independent variable Hi Pass (low cut) and Low Pass (high cut) filters. Having separate and variable precision control for both the Hi Pass and Low Pass filters allows the user to custom tailor the audio signal to perfection. Many competing products only feature shelving switches, which have a fixed frequency point. Others do not have separate filtering for both high and low frequencies. These designs do not offer the control - or the precision - of an ART 400 SERIES equalizer.
The 452 also features automatic relay bypass of audio, an essential function if power to the unit is lost. Rugged construction and solid audio performance makes the 452 particularly well suited to fixed installation as well as touring live sound systems. It utilizes a variable input level control, clip level indicator, ground lift switch, and selectable line voltage. Additional features include selectable Scale Switching - (High Slider Resolution +/-6dB - or Normal Resolution (+/-12dB), active balanced and unbalanced input/output connectors, and RFI filtering. A passive Bypass switch allows for direct comparison between the equalized and non-equalized signal for each channel.
Main Features:
- Constant-Q circuitry with a 3% center frequency accuracy
- LED metering of output signal
- 1/3 Octave bands
- 60MM full range precision Sliders
- LED metering
- selectable range 6dB or 12dB
- active balanced and unbalanced input/output connectors
- RFI filters
- variable input level control
- passive bypass switch
- clip level indicators
- ground lift switch
- selectable line voltage switch
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