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Table of Contents
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Summary of Contents for XTA GQ600
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Page 2: Table Of Contents
GQ600 Filter Characteristics ........ -
Page 3: Safety Warnings
Thanks Thank you for choosing the XTA GQ600 for your application. Please spare a little time to digest the contents of this manual (figuratively speaking), so that you obtain the best possible performance from this unit. All XTA products are carefully engineered for world class performance and reliability. -
Page 4: Introduction
The GQ600 combines innovative features with impressive specification, to produce a new level of performance in professional equalisation. The GQ600 is a precision dual channel 1/3 octave graphic equaliser which provides up to 10dB of boost or cut at 30 centre frequencies between 25Hz and 20kHz. Filter design has been carefully optimised for good interpolation and improved narrow band performance, whilst high quality long-throw 45mm sliders are used for better resolution. - Page 5 Response of a single 1/3 octave filter section. Combining effect with sliders set to achieve +10dB overall gain. Note lack of amplitude ripple. Freq. max Freq. min Response of H.F. Trim frequency control. At maximum and minimum gain. GQ600 Page 3...
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Page 6: 1/3 Octave Centre Frequencies
'rounded off' to whole numbers. This leads to unequal spacing of filters if these marked frequencies are used to calculate filter values. The GQ600 uses true 1/3 octave frequencies based on 1kHz as a reference, and each filter is automatically tested and adjusted when required, to achieve a centre frequency accuracy of within ±3% of these true 1/3 octave frequencies. -
Page 7: Front Panel Functions
'flat' position. Peak LED - illuminates as clipping point is approached anywhere within the equaliser circuitry. Threshold is +20dB. Power LED - indicates unit is powered on. 10. Fixing Holes - for security cover. GQ600 Page 5... -
Page 8: Rear Panel Functions
Each connector carries input and output connections with all terminations fully balanced, where H = Hot, C = Cold, S = Screen (shield). Safety Ground Screw - Do Not Remove. GQ600 Page 6... -
Page 9: Specifications
110VAC / 220VAC ± 15% @ 50/60Hz. Consumption < 20W Weight 5kg. Nett (6.7kg. shipping ) Size 5.25"(3U) x 19" x 9.3" (133 x 482 x 237mm) excluding connectors. Options = Optional transformers available. Perspex security cover. Klippon BL6 mating plugs. GQ600 Page 7... -
Page 10: Operating Notes
Operating Notes Generally, operating the GQ600 is very straight forward, however certain functions may not be immediately obvious and these are discussed here. Low Pass Filter. 18dB/octave filters are provided for each channel to provide additional H.F. driver protection against unwanted high frequency signals. These have negligible effect on frequency response at 20kHz. -
Page 11: Warranty
This product is warranted against defects in components and workmanship only, for a period of one year from the date of shipment to the end user. During the warranty period, XTA will, at it's option, either repair or replace products which prove to be defective, provided that the product is returned, shipping prepaid, to an authorised XTA service facility.
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