USER MANUAL - Telenet Service
Contents
1. 482 60 420 00 132. 16 Four M4 screws fix the 19 bracket orna mental parts In case a security cover is mounted these mounting positions are used to fix the security cover Note Although high guality carbon polymer potentiometers are used in this unit absolute calibration accuracy of these controls is only modest Indicated values on the front panel represent average numbers collected from several produc tion lots Actual values can differ by as much as 20 from the indicated values A Re td bars vei paravana f pat A JI A IIIT 1 Balanced input XLR 3 The input impedance is 20K Ohm bal anced or 10K unbalanced Each input leg has the same im pedance to ground to maximise input common mode rejection ratio independent of source impedance The maximum over load level of the input circuitry is 21dBu Pin 1 of the input connector is connected to chassis ground Pin 2 is the non inverting positive pin 3 the inverting negative input con form international standards Balanced output XLR 3 The output impedance is 100 Ohm balanced or 50 Ohm unbalanced The output can drive 21dBu into 600 Ohm with low distortion Pin 1 is connected to chassis ground Pin 2 is the non inverting positive pin 3 the inverting negative input conform international standards Mains inlet and fuseholde
3. humidit ni l eau pluie ACHTUNG GEFAR FUR ELEKTRISCHEN SCHLAG GER T NICHT FFNEN ACHTUNG Um Gef hrdung durch elektrischen Schlag zu vermeiden darf das Ger t nicht ge ffnet werden Es befinden sich keine vom Benutzer reparierbaren Teile im inneren des Ger tes Jegliche Reparatur soll einem qualifizierten Fachmann uberlassen werden WARNUNG Um die Gefahr eines Feuers bzw eine Verletzung durch elektrischen Schlag zu vermeiden sollte das Ger t niemals Regen oder Feuchtigkeit ausgesetzt werden Safety Instructions 1 2 Read Instructions All safety and operating instructions should be read before this unit is put into service Keep instructions The safety and operating instructions should be retained for future reference Observe Warnings All warnings on the unit and in this oper ating manual should be strictly followed Water and Moisture This unit should not be used near water for example near bathtub washbow kitchen sink laundry tub in a wet basement near a swimming pool or the like Heat This unit should be placed away from heat sources such as radiators or other devices which produce heat Power cord protection The power supply cord should be routed so that it is not likely to be stepped on or pinched by objects placed on or against them Non use periods The power cord of the unit should be un plugged from the outlet when the unit is not used for a longer period Object and
4. liguid entry Care should be taken so that objects do not fall and liguids are not spilled into the inside of the unit Damage reguiring service Unplug the unit and refer servic ing to gualified service personnel under any of the following conditions Objects have fallen or liguid has been spilled into the unit The unit has been exposed to rain The unit does not appear to operate normally or exhibits a marked change in performance The unit has been dropped or its chassis damaged The power cord or plug is damaged 10 Servicing The user should not attempt to service the unit beyond those means described in this operating manual All other servicing should be referred to gualified personnel To prevent fire or electric shock Only use the polarised mains plug option together with a polarised receptacle This unit is eguipped with a single pole disconnect device fuse in the phase live wire If an unpolarised mains connection is used the receptacle the unit is connected to must be eguipped with a two pole disconnect device fuse of appropriate rating 12 Grounding and mains polarisation Precautions should be taken so that the grounding and mains polarisation means of the unit are not defeated 13 Ventilation Slots and openings in the unit are provided for ventilation to ensure reliable operation and to prevent over heating of the unit These openings should not be blocked or covered The Fron
5. of the DYN control The INPUT and OUT positions enable overall gain adjust ment of the unit and should only be used temporarily while adjusting the equaliser Response time of the display is very fast in this mode to avoid delay Headroom meter and a clip indicator The headroom indi cator is an average calibrated peak meter that indicates headroom in dB from clipping level The clip led lights at 20dBu 0 dBu is 0 7746V The absolute overload point of the unit is at 21dBu The clip led gives accurate indication of overload conditions inside the unit independent of the measuring point switch position Bypass All switch with control led to bypass the complete equaliser By pressing this knob the input is directly linked to the output by means of a the fail safe relay When the power to the unit is removed the unit automatically switches to this bypass mode Dynamics control knob This control enables levelling of the signal inside the equaliser By turning the control anti clockwise low noise position the signal is amplified at the input and attenuated at the output This increases the sig nal level in the equaliser electronic circuits and improves the signal to noise ratio by as much as 12dB Use the head room indicator as a read out of the maximum signal level in the unit s circuits to adjust this control Turning the DYN control clockwise will reduce the input gain and at the same time increase output gain to keep ov
6. dienungs und Wartungsanweisungen hin die in den ger tebegleitenden Unterlagen aufgef hrt werden gt gt Note This equipment has been tested and found to comply with EN55103 1 and EN55103 2 product specifications These product specifica tions are designed to provide a reasonable protection against harm ful interference This equipment generates uses and can radiate radio frequency energy and if not installed and used in accordance with instructions can cause harmful interference There is no guar antee that interference will not occur in a specific installation If harmful interference is detected try and correct it by one of the fol lowing measures Increase the separation between the equipment Connect the equipment to different mains outlets Reroute cables RISK OF ELECTRIC SHOCK DO NOT OPEN h CAUTION CAUTION To reduce the risk of electric shoc do not open No user serviceable parts inside Refer servicing to quali fied personnel WARNING To prevent fire or electric shoc do not ex pose this equipment to rain or moisture h ATTENTION RISQUE DE CHOC ELECTRIQUE NE PAS OUVRIR ATTENTION Pour viter les risques de choc lectrique ne pas ouvrir Cet appareil ne comporte aucune pi ce pouvant tre r par e par l utilisateur Confier l entretien un technicien qualifi AVERTISSEMENT Pour viter les risques de choc lectrique ou d incendie n exposez cet appareil ni l
7. e original purchase price less a reasonable depreciation of 10 per year from the date of purchase The refund will not include interests insurance closing costs loss of profit or other financial costs that may be the result of the product s defect OBTAINING WARRANTY SERVICE You must notify us of your need for warranty service preferably by filling out the service request form in this manual and returning it to us We will give you notice of the authorised service center to whom you may deliver the product or we will give you an authorisation to return it to the factory All components must be shipped in a factory pack shipping prepaid Repairs and replacement parts provided under the terms of this warranty shall carry only the unexpired portion of this warranty DISCLAIMER Q4audio is not liable for any damage to other products such as speakers amplifiers or any other equipment that is caused by using this Q4audio product PRODUCT CHANGES We reserve the right to change the design on any product without prior notice and with no obligation to make corresponding changes in products previously manufactured 11 GE134 Dimensions DI cl gi Di GE134 GRAPHIC EQUALISER 48260 420 00 55 00 12 GE234 Dimensions
8. eous peak voltage at any potential overload point in the unit comes within 1 dB of clip ping independent on level display routing switch position Dynamics control Continuously variable 12dB of gain shift lowers noise floor by 12dB or increases headroom by 12dB Changing the DYN control settings will change overall gain of the unit by no more than 0 5dB 0 3dB typical Filters Graphic equaliser 30 near ISO centre frequencies 25Hz 20KHz 1 3 octave Graphic filters centre frequency tolerance lt 5 Max boost cut switcheable 6 or 12dB 0 5dB reciprocal Graphic equaliser switcheable in out of signal path High pass filter 15Hz 300Hz frequency range Butterwort maximally flat 12dB octave response Switcheable in out of signal path Low pass filter 2KHz 40KHz frequency range Butterwort maximally flat 12dB octave response Switcheable in out of signal path Shelving filters 6dB of boost and cut at 100Hz and 14KHz 6dB octave slope Power requirements Voltage 85V 264V 50 60Hz Consumption 12VA GE134 20VA GE234 Connector IEC 3 pin Dimensions GE134 420mm 482 6mm with 19 mounting brackets wide x 88 9mm high x 55mm deep GE234 420mm 482 6mm with 19 mounting brackets wide x 133 3mm high x 55mm deep Weight GE134 Shipping 3 1kg Net 2 4 kg GE234 Shipping 4 0 kg Net 3 3 kg Standards Safety EN60065 EMC EN55103 1 EN55103 2 E2 E3 Warranty SUMMARY The Q4audio division
9. erall gain constant As a consequence the input signal level to the filters is lowered giving more headroom at the expense of an increased noise floor Because the headroom indica 15 tor measures signal level at every critical point in the equal iser therefore also at the output turning the DYN control clockwise will not always show up on the headroom indica tor Reason is that the output level remains the same and decreasing the signal level in circuits that precede the out put is not sensed by the headroom indicator The true virtue of the clockwise DYN range becomes ap parent when some filters in the unit are masked by others For instance when the shelving controls are used to boost a range of frequencies while the graphic equaliser is used to cut a specific range of these frequencies In such case it can be important to reduce the signal level in the shelving filters to accommodate the boost and avoid clipping of the these filters In this case the gain in headroom is clearly indicated by the level meter because the measuring point at the shelving filters in not masked by the output measuring point because the graphic equaliser that follows the shelv ing filters in the signal path attenuates the output level Changing the DYN control position does not change overall gain ofthe unit smaller than 0 5dB of overall gain change over the entire control range Gain control knob to adjust overall gain between 12dB and 12dB
10. of Summit Engineering nv Tongersesteenweg 190 3800 Sint Truiden Belgium the creators and manufacturers of the Q4audio product line warrants to you the original purchaser and any subsequent owner of this Q4audio product for a period of 2 two years warranty period from the date of purchase by the original purchaser that the product is free of defects in components and factory workmanship The date of purchase is the date appearing on the first end user s sales receipt or other proof of original purchase from an authorised Q4audio dealer ITEMS EXCLUDED FROM WARRANTY This Q4audio warranty does not cover product failure caused by misuse accident or neglect Nor shall it be applicable to any product on which the serial number has been defaced altered or removed This warranty shall be considered void if this product is subjected to repair work or alteration by persons other than authorised by Q4audio in such a manner as to injure in the sole judgment of Q4audio the performance stability reliability or safety of this product This warranty does not apply to finish or appearance items This warranty is in effect only during the warranty period OUR COMMITMENT During the warranty period Q4audio will remedy any defect except as excluded by repair or at its option replacement or refund In case of refund the defective or malfunctioning product shall be made available to us free and clear of all lies or other encumbrances The refund will be equal to th
11. overed together in this manual Summit Engineering nv Q4audio division Tongersesteenweg 190 3800 Sint Truiden Belgium tel 32 11 69 42 59 fax 32 11 69 45 92 www Q4audio com email info Q4audio com SE Part Number 17000 00041 Rev B Q4audio is a registered trademark of Summit Engineering nv All other trademarks are property of their respective owners Explanation of grahical symbols This symbol is intended to alert the user of presence of uninsulated dangerous voltage within the products AN enclosure that may be of sufficient magnitude to con stitute risk of electric shock to persons This symbol is intended to alert the user of presence of important operating and maintenance servicing he instructions in ance he literature accompanying the app Explication des symboles graphiques Ce symbole doit alerter l utilisateur du danger provenant d un voltage dangereux et non prot g l int rieur de l appareil voltage suffisamment fort pour repr senter un danger r el d lectrocution Ce symbole doit attirer l attention de l utilisateur sur les instructions importantes qui concernent le service et la maintenance et qui accompagnent tout appareil Erkl rung der Bildsymbole Dieses Symbol warnt den Benutzer vor nicht isolierter gef hrlicher Spannung im Inneren des Ger tes Diese pannung ist hoch genug um Personen durch elektrischen Schlag zu gef hrden Dieses Symbol weist den Benutzer auf wichtige Be
12. r The mains connector is a stand ard 3 pin IEC connector The centre terminal is directly con nected to the chassis of the unit and must be connected to the earth terminal of the mains outlet This is important for your safety The mains cable supplied with this unit is a universal European model Use only the polarised mains plug option together with a polarised receptacle This unit is eguipped with a single pole disconnect device fuse in the phase wire If an unpolarised mains connection is used the receptacle the unit is connected to must be equipped with a two pole discon nect device fuse of appropriate rating In case the mains plug on the mains cable is not conform to your local standard you will need to replace it with a suitable one In this case it is very important to respect the colour coding of the wires yellow green earth ground brown or black phase live blue neutral The mains fuse is a standard 5x20mm fuse Rating is indi cated on the type label on the back ofthe unit The fuse drawer can easily be opened with a flat tip screwdriver For safety reasons the mains cable must be removed before the drawer can be opened Replace only with the same fuse type and rating The auto ranging power supply of the GE series guar antees trouble free operation all over the world independent of local mains conditions Acceptable mains voltages are in the range from 85 to 264 Vrms 50 60Hz When mains power is removed the uni
13. t Panel 8 12K5 16K 20Kw o 65 a zoono mz 6 7 10 11 13 Sliders to cut or boost the individual 1 3 octave frequencies of the graphic egualiser Graphic section switch with control led enables or disa bles the graphic egualiser Even in bypass mode the level and clip detection keeps monitoring the graphic egualiser s circuitry for overload conditions 6 dB scale switch with control led to alter the cut and boost range of the graphic egualiser from 12dB to 6 dB High Pass frequency adjustment Adjustment range is 15Hz to 300Hz 5 HP switch with control led to turn HP filter on or off 6 LP switch with control led to turn LP filter on or off 7 LowPass frequency adjustment Range is 2KHz to 40KHz 8 Low Freguency Shelving filter control Enables tilting the low freguency range by 6db 9 High Freguency Shelving filter control Enables tilting the high freguency range by 6dB 10 Power led indicates when mains power is connected to the unit 11 Measuring point switch selects monitoring of input output 12 1 14 pa or maximum signal level During operation the switch should be in the MAX position indicating the maximum signal level of all possible overload points inside the unit Time con stants are chosen for easy read out and comfortable ad justment
14. t automatically switches to the bypass mode hardware linking the input to the output by means of the fail safe relay The screws on both sides ofthe mains inlet are essential for the safety of the unit These screws connect the earth pin of the mains connector to the chassis These screws must be well tightened at all times GE134 only 15pin SubD system connector This connector integrates the equaliser in the optional Q4audio equaliser drawer Speci fications Inpi uts Type Electronically balanced Transformer balancing op tional Input impedance 10KOhm Equal impedance for and legs Maximum input level 21dBu Input connector XLR 3F Pin 1 Floating Pin 2 Signal hot Pin 3 Signal cold Outputs Type Electronically balanced and floating simulating trans former output Active transformer balancing optional Output impedance 100 Ohms 50 Ohms each leg Maximum output level 21dBu into 600 Ohms or greater Output connector XLR 3M Pin 1 Ground Pin 2 Signal hot Pin 3 Signal cold General performance 10 Frequency response 0 5dB 20Hz 20KHz all controls flat THD lt 0 005 20Hz 20KHz Noise lt 93dBu 22Hz 22KHz unweighted graphic egualiser in circuit OdB settings Channel separation gt 80dB 20Hz 20KHz GE234 Level meter display 8 led average calibrated peak respond ing headroom indication in 3dB steps Clip led lights for ap proximately 200ms if the instantan
15. udio G E 1 34 SINGLE 1 3 OCTAVE GRAPHIC EQUALISER G E234 DUAL 1 3 OCTAVE GRAPHIC EQUALISER USER MANUAL Thank you for choosing this GE series graphic egualiser for your application You have made an excellent choice The GE series are designed and built to be the most versatile analog graphic processors available The combination of a full featured graphic egualiser with high and low pass and shelving filters provides full control to even the most exacting user The dynamics trim control and the 8 segment level peak meter provide headroom optimisation of the signal path This unigue feature makes it possible to reduce the noise floor of the unit by as much as 12dB making the egualiser virtually dissapear in critical applications If a higher noise floor is acceptable this control can create an extra 12dB of headroom for the filter circuits thereby minimising distortion and clipping The autoranging power supply of the GE series guarantees trou ble free operation of these units all over the world independent on local mains conditions You probably want to start working with this new equipment right away and not read all of the information inside this manual For those of you who are in a hurry please read the safety in structions carefully Also the information about the DYN control a unique feature of these units will be very enlighting Because of the apparent similarities between the GE134 and the GE234 both are c
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