Peavey QF 231 Operating Manual
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Peavey QF 231 Operating Manual

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QF
231
™
QF
151
™
Graphic Equalizers
Operating
Manual
www.peavey.com

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Summary of Contents for Peavey QF 231

  • Page 1 ™ ™ Graphic Equalizers Operating Manual www.peavey.com...
  • Page 2 ATTENTION: Afin de réduire le risque de choc électrique, ne pas enlever le couvercle. Il ne se trouve à l’intérieur aucune pièce pouvant être reparée par l’utilisateur. Confiez I’entretien et la réparation de l’appareil à un réparateur Peavey agréé. AVIS: Dans le but de reduire les risques d’incendie ou de decharge electrique, cet appareil ne doit pas etre expose a la pluie ou a l’humidite et aucun objet rempli de liquide, tel qu’un vase, ne doit etre pose sur celui-ci.

  • Page 3: Important Safety Instructions

    IMPORTANT SAFETY INSTRUCTIONS WARNING: When using electrical products, basic cautions should always be followed, including the following: Read these instructions. Keep these instructions. Heed all warnings. Follow all instructions. Do not use this apparatus near water. Clean only with a dry cloth. Do not block any of the ventilation openings.
  • Page 4 Logo referenced in Directive 2002/96/EC Annex Logotipo al que se hace referencia en la Directiva 2002/96/EC IV(OJ(L)37/38,13.02.03 and defined in EN 50419: 2005 AnexoIV(OJ(L)37/38,13.02.03 y definido en EN 50419: 2005 The bar is the symbol for marking of new waste and is applied La barra es el símbolo para marcar los nuevos desechos y se aplica solamente a equipamiento fabricado después del 13 de agosto de 2005 only to equipment manufactured after 13 August 2005...
  • Page 5 (1) This device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation. Warning: Changes or modifications to the equipment not approved by Peavey Electronics Corp. can void the user’s authority to use the equipment.
  • Page 6 ™ Graphic Equalizers Thank you for purchasing a Peavey Electronics QF Series graphic equalizer. The QF family features one dual-channel model and one single-channel unit, all incorporating Peavey’s legendary low-noise, low-distortion design. Ruggedly constructed, QF Series EQs have 45 mm, center-detented control sliders enclosed in metal for durability. These two rack-space units also offer ±15 dB gain control and an LED display indicating output level.

  • Page 7: Output Level Led Meter

    F R O N T P a N E L Output Level LED Meter This LED array indicates output level from –12 dB to +12 dB. Gain This calibrated, detented control regulates overall gain of the EQUALIZER SECTION (3). Unity gain throughout the signal chain can be maintained by recovering lost signal gain at this point.
  • Page 8 R E a R P a N E L IEC Mains Connector This is a standard IEC power connector. An AC mains cord having the appropriate AC plug and ratings for the intended operating voltage is included in the carton. NOTE: Never break off the ground pin on any equipment.
  • Page 9 ™ SERIES BLOCK DIaGRaM...

  • Page 10: Specifications

    SPECIFICATIONS* ™ ™ Filter Q 4.77 Filter Frequencies (Hz) 20, 25, 32, 40, 50, 63, 80, 25, 40, 63, 100, 160, 100, 125, 160, 200, 250, 250, 400, 630, 1 k, 1.6 k, 315, 400, 500, 630, 800, 2.5 k, 4 k, 6.3 k, 10 k, 16 k 1 k, 1.25 k, 1.6 k, 2 k, 2.5 k, 3.15 k, 4 k, 5 k, 6.3 k, 8 k, 10 k, 12.5 k, 16 k, 20 k...

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