Buzzaudio REQ-2.2 User Manual

Buzzaudio REQ-2.2 User Manual

Resonance equalizer

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REQ-2.2 Resonance Equalizer
Users Manual
REQ-2.2 USERS MANUAL VERSION-4, MAY 2014. CONTENTS COPYRIGHT BUZZ AUDIO LTD 2008.
PO BOX 6677, TE ARO. WELLINGTON, NEW ZEALAND. PH. +64-4-472-3084
www.buzzaudio.com
email management@buzzaudio.co.nz

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Summary of Contents for Buzzaudio REQ-2.2

  • Page 1 REQ-2.2 Resonance Equalizer Users Manual REQ-2.2 USERS MANUAL VERSION-4, MAY 2014. CONTENTS COPYRIGHT BUZZ AUDIO LTD 2008. PO BOX 6677, TE ARO. WELLINGTON, NEW ZEALAND. PH. +64-4-472-3084 www.buzzaudio.com email management@buzzaudio.co.nz...
  • Page 2: Table Of Contents

    Welcome… Thank you for choosing the Buzz Audio REQ-2.2 Resonance Equalizer. In this manual you will find important information regarding the use of the REQ and we suggest you do read it before using the unit to become familiar with all the controls and their function.
  • Page 3: Installation Precautions

    1] Installation Precautions The REQ-2.2 uses discrete Class A audio amplifiers and these along with the power supply generate a fair amount of heat. Whilst the casing has many ventilation holes, care should be taken to avoid racking the REQ along side other units that run hot.
  • Page 4: Audio Connections

    Fitting a fast blow type fuse may also result in the fuse blowing on power up. 3] Audio Connections All the XLR connectors on the rear of the REQ-2.2 are balanced and wired as follows; Pin 1 = Chassis Ground...
  • Page 5: Overview

    4] Overview The REQ-2.2 is a stereo audio equalizer with four “eq” bands per channel plus a high pass filter and unique “saturation” module. Front panel controls allow you to adjust each eq band centre frequency, filter bandwidth (or Q) and the amount of cut/boost.
  • Page 6: Controls

    5] Controls EQ Band Controls FREQUENCY – each band has a 12 position frequency control which sets the centre frequency of the filter. The two mid bands have two ranges of frequency, and the blue lettering applies when the FREQ x2.5 switch is illuminated.
  • Page 7 CUT/BOOST – adjusts the amount of eq applied to the signal. The above drawing shows the standard version with +/-16dB range. The mastering version of the REQ has a stepped +/-8dB range. ON – when this switch is illuminated, the associated eq band is engaged into the signal path.
  • Page 8: Specifications

    standard version. The mastering version has a different set of frequencies optimized for stereo program equalisation. See the graphs at the end of this manual for more detail. SYSTEM – these switches are used to completely bypass the REQ. When not illuminated, the REQ input XLR connectors are directly connected to the output XLR connectors providing a hard wire bypass.
  • Page 9: Warranty/Service Information

    REQ-2.2 Resonance Equalizer.  Standard Product Warranty Buzz Audio guarantees the REQ-2.2 Resonance Equalizer to be free of defective materials and/or workmanship for a period of 1 year (12 months) from the date of sale, and will replace defective parts and repair malfunctioning products under this warranty when the defect occurs under normal installation and use –...
  • Page 12: Graphs

    9] Graphs...

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