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Beta Three EQ2231 User Manual
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Beta Three EQ2231 User Manual

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User M anual
EQ2231
GRAPHIC EQUALISER

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Summary of Contents for Beta Three EQ2231

  • Page 1 User M anual EQ2231 GRAPHIC EQUALISER...
  • Page 2 Catalogue 1.Warning 2.Feature 3.Technical specification 3.1Parameter index 3.2Graphic 4.Panel introduction 5.Back panel introduction 6.Power condition...
  • Page 3 1. ATTENTION Instruction: The lightning flash with arrowhead symbol within the equilateral; triangle is intended to alert the user to the presence of un-insulated “angerous voltage” within the product's enclosure that may be of sufficient magnitude to constitute a risk of electric shock. The exclamation point within the equilateral triangle is intended to alert the user to the presence of important operation an maintenance (servicing) instructions in the literature accompanying this appliance.
  • Page 4 EQ2231 is a general graphic equalization with excellent function which is suitable for many kinds of sound adjustment in the audio projects. below is the function character: 1. The EQ2231 is a two channel graphic equalizer that provides a generous +/-15dB of control range on each of 30 constant Q frequency bands.

  • Page 5: Technical Specification

    3. Technical specification 1.The capability's parameter index Model:EQ2231 Input impedance: 10k balances or unbalanced Overload voltage: 8.5V Frequency response: 5Hz-45Hz +/- 1db Distortion: <0.008% THD 20---20kHz 0 dBu Max output voltage: 9.5V Input impedance: 10k balances or unbalanced S/N Rate: >92dB Dynamic range : >115dB...
  • Page 6 3. Technical specification 2. Curve picture: 2.1 EQ adjustment curve 2.2 EQ adjustment and the relationship with the slider. +11.5 +7.5 +5.5 +3.5 -2.5 -3.5 -5.5 -9.0 -15.0...
  • Page 7 3. Technical specification 2.3 The adjustment curve for the high pass filter 2.4 The adjustment curve for the HF & LF...

  • Page 8: Panel Introduction

    10dB Gain 1. When the eq in switch is in the out, non illuminated position, all EQ2231 functions are bypassed and the input is connected directly to the output with a high quality relay. This condition also occurs when the power is off, and ensures that the signal is passed through the unit in the case of a power or fuse failure.

  • Page 9: Back Panel Introduction

    5. Back panel introduction BALANCED CONNECTIONS BALANCED CONNECTIONS Tip+(Hot) Ring-(cold) Tip+(Hot) Ring-(cold) T500mAL 250V Pin2+(Hot) Pin3-(cold) Pin2+(Hot) Pin3-(cold) VOLTAGE SELECT 115/230VAC 50/60Hz30VA OUTPUT-B INPUT-B OUTPUT-A INPUT-A NO.： 1.Power input socket 2.Voltage select switch. there is a option for 115V and 230V.please select according to local voltage.

  • Page 10: Power Requirement

    6. Power requirement Please make sure the local power voltage is same as the back panel indicates before connect the power socket. There is a power voltage choose switch can suitable for lots of power net. Please check whether the local power voltage is same as the voltage choose switch 115V/230V indicates or not ,and if same it can be connected .If not, please adjust the voltage choose switch to the voltage same as local voltage.
  • Page 11 EQ2231 www.beta3pro.com...