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Anleitung Zusammenfassung
Installation Page 4 2.1 Inspection and un-packing 2.2 Operating environment 2.3 CE standards 2.4 Power requirements 2.5 Signal levels 2.6 External connections 3. Warranty Page 7 4. Description of controls Page 8 4.1 Channel 1 Page 8 4.2 Channel 2 Page 10 5. Applications Page 11-12 5.1 Setting up and using the EQX20 Audio sweetening and Precision equalisation Removing subsonics Making compressors frequency conscious Special effects Enhancing the EQ on a mixing console 6. Circuit description Page 13 7. Specifications Page 14 6. Blank panel drawings Page 15 Page 3 1.0 INTRODUCTION The EQX20 is a two channel 3 band Parametric Equaliser which can also be configured as a single channel 6 band unit. Each band offers variableFrequency, 15dB cut and boost and variable Q (Bandwidth). Having all parameters fully variable makes the EQX20 a powerful tool capable of a range of effects from subtle fine tuning through to radical tonal changes. Each channel has a high pass filter switch intended to remove subsonics such as stage noise and tightening bass sounds. The facilities provided by the EQX20 are summarised as follows • 2 Channel 3 band or single channel 6 band parametric EQ • Wide frequency sweep (40:1) on each band • Q variable between 12 (1/12th octave = 1 semitone) to 0.3 (3 octaves) • ±15dB gain on each band • High pass filter on each channel • Bypass switching on each channel • Balanced inputs on XLR and TRS jack • Balanced impedance, ground compensated outputs on XLR and TRS jack • +4dBu and -10dBV input and output levels • Low noise and distortion Typical applications for the EQX20 include • Audio sweetening • Precision equalisation • Feedback elimination • Hum, subsonic and noise removal • Making a compressor frequency conscious • Special effects • Enhancing the EQ on a mixing console Page 4 2.0 INSTALLATION IMPORTANT: PLEASE READ THIS SECTION BEFORE USING THE EQX20 2.1 INSPECTION AND UNPACKING The EQX20 has been carefully packed at our factory in a carton designed to withstand handling in transit. Should the unit appear to have been damaged in transit notify your dealer immediately and do not discard any of the packing. The carton should contain • The EQX20 unit • Power cord • Operator Manual (this book) 2.2 OPERATING ENVIRONMENT The EQX20 is designed to operate between 0 and 50°C (32-122°F) with relative humidity no more than 80%. Should the unit be installed in an equipment rack, ensure that the environment conforms to these levels. 2.3 CE STANDARDS AND THE LOW VOLTAGE DIRECTIVE (LVD) The EQX20 has been designed to meet the latest Electromagnetic Compatibility (EMC) regulations. However we recommend you do not operate the unit close to strong emitters of electromagnetic radiation such as power transformers, motors, mobile telephones or radio transmitters. The unit should only be connected to a power supply of the type describedin 2.4 POWER REQUIREMENTS or as marked on the unit. The unit must be earthed for safe operation. Disconnect the mains supply before removing any cover. 2.4 POWER REQUIREMENTS There is a mains fuse located inside the unit which is accessed by removing the cover. This fuse is for protection against unit faults and as such will not normally need replacing. If you think you have a power relatedproblem please refer to your dealer. The voltage and fuse rating have been factory set for 230V 50mA UK 220V 50mA Republic of Korea 115V 100mA North America • The correct voltage and fuse rating is indicated on the rear panel. Page 5 • Please check that your unit is correctly rated for the voltage of the country of operation. If the fuse requires changing at any time please ensure the correct fuse isfitted. An incorrect fuse could cause damage to the unit and may constitutea fire hazard. If you carry your EQX20 from one country to another it is very important to ensure the voltage is compatible. For your information the unit can be internally rewired for use in 230V, or 110-125V countries -contact your dealer for information. A special 100V version is available for Japan and a 220V, 60Hz version for Republic of Korea. The mains lead connections to the appliance are coloured in accordance with the following code: Green-and-Yellow Earth Blue Neutral Brown Live • WARNING: THIS APPLIANCE MUST BE EARTHED 2.5 SIGNAL LEVELS The EQX20 will accommodate both -10dB and +4dB operating levels without the need for level switching. PLEASE NOTE: the XLRs are set for +4dBu and the TRS jacks for -10dBV operating levels. Use the appropriate connector/level to interface between your equipment and the EQX20. Usingthe TRS jackinputwith +4dB signal levelsin some set-upswill over drive the EQX20 and cause distortion. Signalsin excessof+20dB will cause the unitto distort. 2.6 EXTERNAL CONNECTIONS Fig 2.6.1 EQX20 rear view showing Input and Output connections Page 6 The input and outputs of the EQX20 are balanced on both XLR and 1/4" TRS jack connectors. For balanced input and outputs, connections to the unit should be wire...