Summary of GQ600
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Contents declaration of conformity .......................................................................................................... 1 important safety instructions ..................................................................................................... 2 instructions de securi...
Page 3: Declaration Of Conformity
Gq600 page 1 declaration of conformity we, the manufacturer: xta electronics ltd., the design house, vale business park, worcester road, stourport on severn, worcestershire, england dy13 9bz acknowledge our responsibility that the following products: kind of equipment: audio processor commodity code...
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Gq600 page 2 important safety instructions caution: risk of electric shock. Do not open warning: apparatus with class i construction shall be connected to a mains socket outlet with a protective earthing connection. Warning: to prevent injury, this apparatus must be securely attached to the rack in ...
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Gq600 page 3 instructions de securite importantes attention: risque de choc electrique. Ne pas ouvrir attention: appareils de construction de classe i doit être raccordé au réseau électrique via une prise de courant reliée à la terre. Attention: pour éviter toute blessure, cet appareil doit être sol...
Page 6: Thanks
Gq600 page 4 thanks thank you for choosing the xta gq600 for your application. Please spare a little time to digest the contents of this manual, so that you obtain the best possible performance from this unit. All xta products are carefully engineered for world-class performance and reliability. If ...
Page 7: Introduction
Gq600 page 5 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 b...
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Gq600 page 6 response of a single 1/3 octave filter section. Combining effect with sliders set to achieve +10db overall gain. Note lack of amplitude ripple. Response of h.F. Trim frequency control. At maximum and minimum gain..
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Gq600 page 7 effect of h.F. Trim gain control, with frequency set at minimum. 1/3 octave centre frequencies the 1/3 octave iso centre frequencies used on most graphic equalisers are normally 'rounded off' to whole numbers. This leads to unequal spacing of filters if these marked frequencies are used...
Page 10: Front Panel Functions
Gq600 page 8 front panel functions 1. Output gain control - allows ±10db of gain to be applied. This control features a centre detent for 0db gain. 2. E.Q. In/out switch - selects graphic equaliser filter section in or out of circuit. 3. H.F. Trim switch. - selects h.F. Trim section in or out of cir...
Page 11: Rear Panel Functions
Gq600 page 9 rear panel functions 1. Safety ground screw - do not remove. 2. Mains power - is connected via a standard iec socket. A compatible power cord is supplied with the unit. 3. Mains fuse - is located in a finger-proof fuseholder adjacent to the mains inlet. Always replace this fuse with the...
Page 12: Specifications
Gq600 page 10 specifications inputs two, electronically balanced. Impedance > 10k ohms. Cmrr > 65db 50hz - 10khz. Outputs two, electronically balanced. Source imp. Min. Load 600 ohms. Max. Level +23dbm into 600 ohm load. Gain ± 10db via rotary control. Frequency response ± 0.5db 20hz - 20khz with co...
Page 13: Operating Notes
Gq600 page 11 operating notes generally, operating the gq600 is very straightforward, 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 unwante...
Page 14: Warranty
Gq600 page 12 security cover. A perspex security cover is available to enclose all front panel controls and so avoid accidental or unauthorised adjustment. To fit this cover proceed as follows:- fit four m4 x 17mm pillars into the four front panel bushes located in between the six panel mounting scr...