USER MANUAL - Telenet Users
Contents
1. BYPASS GRAPHIC SECTION PARAMETRIC ALL SECTION 250 ON 6dB Zooxo mr jf IN C C COUT S MAX gt MEASURING 5 90 6 dB 6 HF 6d8 HELVING FILTERS 6dBIOCT 10K POINT 300 Hz 2i CUT FILTERS 12dB 0CT SCALE J amp 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 Graphic section switch with control led enables or disa bles the graphic equaliser Even in bypass mode the level and clip detection keeps monitoring the graphic equalis er s circuitry for overload conditions 6 dB scale switch with control led to alter the cut and ds boost range of the graphic equaliser from 12dB to 6 dB Parametric section switch with control led enables or disa bles the three parametric filters Three parametric sections See next pages for detailed information about these controls led indicates when mains2. 1 3 OCTAVE PARAGRAPHIC EQUALISER USER MANUAL Thank you for choosing this PE series equaliser for your application You have made an excellent choice This PE series paragraphic equaliser is designed and built to be the most versatile analog graphic plus parametric proces sor available The combination of a full featured graphic and parametric equaliser with high and low pass and shelving fil ters 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 unique feature makes it possible to reduce the noise floor of the unit by as much as 12dB making the equaliser 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 PE series guarantees trouble free operation of this unit 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 the Q4audio equalisers will be very enlighting Summit Engineering nv Q4audio division Tongersesteenweg 1
3. 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 die Gefahr eines Feuers bzw eine Verletzung durch elektrischen Schlag zu vermeiden sollte qas 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 washbowl 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 liquid entry Care should be taken so that objects do not fall and liquids are
4. Only a very small frequency band around the center frequency is af fected by the filter AUDIO PRECISION AMPL dBu vs FREQ Hz 15 000 0 0 15 00 30 00 45 00 60 00 200 1k 5 Note Although high quality 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 pro duction lots Actual values can differ by as much as 20 from the indicated values The Rear Panel www Q4audio com Q4audio IS A PRODUCT OF SUMMIT ENGINEERING NV MADE IN BELGIUM EU INPUTIMPEDANCE 20K BALANCED 10K UNBALANCED JUTPUT IMPEDANCE 100 BALANCED 50 OHM UNBALAN NOTICE SYSTEM CONNECTOR U OPRIET RY FORMAT REF 4 Model 137 audio Date of manufacture 05 11 02 Made in Belgium EU Serialnr PE137 01AA 0001 FUSE T 315 mA 250 V Power requirements 85 264V AC 50 60Hz 12W SES FER TO USER ECTIONS SYSTEM CANNECTOR CAUTION RISK OF ELECTRIC DONOT OPEN WARNING TO REDUCE THE RISK OF FIRE OR ELECTRIC SHOCK DO NOT EXPOSE THIS EQUIPMENT TO OR MOISTURE NO USER SERVICEABLE PARTS INSIDE REFER SERVICING TO QUALIFIED PERSONNEL READ INSTRUCTION MANUAL ATTENTION AENDE REDURELE RISQUE DE CHOC PAS EXPOSER AAA LUE N A CA
5. or malfunctioning product shall be made available to us free and clear of all lies or other encumbrances The refund will be equal to the 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 16
6. power is connected to the unit High Pass frequency adjustment Adjustment range is 15Hz to 300Hz HP switch with control led to turn HP filter on or off 9 10 LP switch with control led to turn LP filter on or off Low Pass frequency adjustment Range is 2KHz to 40KHz 11 High Frequency Shelving filter control Enables tilting the 12 Low Frequency Shelving filter control 13 14 high frequency range by 6dB Enables tilting the low frequency range by 6db Gain control knob to adjust overall gain between 12dB and 12dB 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 signal level in the equaliser electronic circuits and improves the signal to noise ratio by as much as 12dB Use the headroom 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 overall 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 head room indicator measures signal level at every critical point in the equaliser therefore also at the output turning the DYN control clockwise wi
7. 90 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 00051 Rev A 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 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 instructions in the literature accompanying the appli ance gt gt Explication des symboles graphiques Ce symbole doit alerter l utilisateur du danger provenant d un voltage dangereux et non prot g 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 gt Erklarung der Bildsymbole Dieses Symbol warnt den Benutzer vor nicht isolierter ef 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 Bedienungs und Wartungsanweisungen hin die in den ger tebegleitenden Unterlagen auf
8. UTION ron CONTINUED PROTECTION AGAINST FIRE HAZARD REPLACE ONLY WITH SAME FUSE AND RATING REFER AND LABEL FOR FUSE RATING ATTENTION AFIN D ASSURER UNE ENTE CONTRE REMPLECEZ poss ENT Par PAR UN FUSIBLE DE LA PLAQUE DE MARQUAGE MAINS INPUT CLASS 1 EQUIPMENT LINE 52 MUST BE EARTHED 10 1 Balanced input XLR 3 The input impedance is 20K Ohm balanced or 10K unbalanced Each input leg has the same impedance to ground to maximise input common mode re jection ratio independent of source impedance The maxi mum overload 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 conform 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 fuseholder 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 polari
9. g op tional e 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 Output Type Electronically balanced and floating simulating trans former output Active transformer balancing optional e Output impedance 100 Ohms 50 Ohms each leg Maximum output level 21dBu into 600 Ohms or greater e Output connector XLR 3M Pin 1 Ground Pin 2 Signal hot Pin 3 Signal cold General performance e Frequency response 0 5dB 20Hz 20KHz all controls flat e THD lt 0 005 20Hz 20KHz e Noise lt 93dBu 22Hz 22KHz unweighted graphic equaliser in circuit OdB settings Level meter display 8 led average calibrated peak respond ing headroom indication in 3dB steps Clip led lights for ap proximately 200ms if the instantaneous peak voltage at any potential overload point in the unit comes within 1 dB of clip ping independent of level display routing switch position e 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 14 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 e
10. gef hrt werden gt gt Note This 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 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 f CAUTION CAUTION To reduce the risk of electric shoc do not open No user serviceable parts inside Refer servicing to qualified 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 humidit ni l eau pluie GEFAR FUR ELEKTRISCHEN SCHLAG GER
11. ll not always show up on the head room indicator Reason is that the output level remains the same and decreasing the signal level in circuits that pre cede the output 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 15 16 17 18 it can be important to reduce the signal level in the shelv ing 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 measur ing point because the graphic equaliser that follows the shelving filters in the signal path attenuates the output level Changing the DYN control position does not change over all gain of the unit smaller than 0 5dB of overall gain change over the entire control range 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 mea
12. not spilled into the inside of the unit Damage requiring service Unplug the unit and refer servic ing to qualified service personnel under any of the following conditions Objects have fallen or liquid has been spilled into the unit eThe unit has been exposed to rain eThe unit does not appear to operate normally or exhibits a marked change in performance eThe unit has been dropped or its chassis damaged eThe power cord or plug is damaged 10 Servicing The user should not attempt to service the unit 11 12 13 beyond those means described in this operating manual All other servicing should be referred to qualified personnel To prevent fire or electric shock Only use the polarised mains plug option together with a polarised receptacle This unit is equipped 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 equipped with a two pole disconnect device fuse of appropriate rating Grounding and mains polarisation Precautions should be taken so that the grounding and mains polarisation means of the unit are not defeated 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 Front Panel 4K 5K 6K3 8K 10K 12K5 16K 20K 8 GAIN 1228
13. qualiser switcheable in out of signal path High pass filter 15Hz 300Hz frequency range Butterworth maximally flat 12dB octave response Switcheable in out of signal path e Low pass filter 2KHz 40KHz frequency range Butterworth 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 e Parametric filter sections 3 of Gain control 12dB 0 5dB cut or boost range in reciprocal mode Notch depth typically 50dB at 1KHz and average setting Q factor continuously variable between 0 5 and 8 Frequency continuously variable from 17Hz to 20KHz in 3 ranges Frequency vernier 10 of main frequency control The group of parametric filters is switcheable in out of the signal path Power requirements e Voltage 85V 264V 50 60Hz e Consumption 15VA Connector IEC 3 pin Dimensions 420mm 482 6mm with 19 mounting brackets wide x 88 9mm high x 55mm deep Weight Shipping 3 1kg Net 2 4 kg Standards e Safety EN60065 EMC EN55103 1 EN55103 2 E2 E3 Note Although high quality 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 pro duction lots Actual values can differ by as much as 20 from the indicated values In keeping with our policy of continued improvement Q4a
14. s to start frequency adjustment with the vernier control in the center 0 position making coarse adjustments with the frequency control and then fine tuning the center frequency with the ver nier control The Q control adjusts the filter bandwidth Q is defined as the ratio of filter center frequency to filter bandwidth Q f Bw In reciprocal mode the 3dB frequencies are measured rela tive to the maximum cut or boost setting In notch mode the 3dB bandwidth is referenced to OdB flat response 15 00 0 0 15 00 fc Bw The cut mode switch allows selection of notch down posi tion or reciprocal up position filter response In reciprocal mode the cut response has the same form factor as the boost response In this mode two cascaded filters with the same alignment center frequency of which one boosts a certain number of dB s while the other cuts that same amount will perfectly compensate each other because both the gain and the phase responses are perfectly complementary The gain control adjusts the amount of cut or boost The center detent position completely bypasses the filter thereby guaranteeing perfectly flat response independant on com ponent tolerances Remark The figure below shows the response of the para metric filter in reciprocal and notch response It is clear that notch response is far superior to reciprocal cut response for eliminating smallband noise or feedback problems
15. sed mains plug option together with a polarised receptacle This unit is equipped 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 disconnect 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 of the 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 guarantees trouble free operation all over the world inde pendent of local mains conditions Acceptable mains voltages are in the range from 85 to 264 Vrms 50 60Hz When mains power is removed the unit 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 of the 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 a
16. suring point switch position Measuring point switch selects monitoring of input out put 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 constants are chosen for easy read out and comfort able adjustment 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 Sliders to cut or boost the individual 1 3 octave frequen cies of the graphic equaliser Four M4 screws fix the 19 bracket ornamental parts In case a security cover is mounted these mounting posi tions are used to fix the security cover Parametric Sections Each of the 3 parametric sections of the PE137 operates independantly of the others and allows the setting of a fully adapt able boost cut or notch filter anywhere in the audio spectrum 1 The coarse frequency control allows the setting of the filter center frequency For fine tuning the frequency use the ver nier control 3 2 The range switch sets the range in which the frequency con trol operates The audio spectrum is divided into 3 overlap ping ranges 17 200Hz 170 2KHz and 1 7 20KHz 3 Frequency vernier control allows fine tuning of the center fre quency over a 10 range Normal procedure i
17. t all times 15 pin SubD system connector This connector integrates the PE137 in the optional Q4audio equaliser drawer The system connector can also be used to monitor and control the unit remotely in installations See next page for layout and pinning of the system connector 11 System connector layout and pinning information 12 OUTPUT 15V 15V SUPPLY VOLTAGE MAX CURRENT 50mA 15V 15V SUPPLY VOLTAGE MAX CURRENT 50mA PIN VOLTAGE SWITCHES FROM 15V TO 15V IN CASE 14 OVLLED OF OVERLOAD THEVENIN IMPEDANCE 3 3K MAX CURRENT 10mA REFERENCED TO 15V 7 ACTIVE SINKS APP 10mA VVHEN UNIT IS ACTIVE CONNECTING THIS PIN TO 15 REM OFF GROUND OR 15V PUTS THE UNIT IN BYPASS MODE Dimensions 5 3 40 50 63 80 100 125 160 200 250 315 400 500 630 800 1K 1K25 1K6 2K 2KS 3K15 4K 5K 6K3 8K 10K 12K5 16K 20Kw 88 90 2 PE137 PARAGRAPH EQUALISER GRAPHIC SECTION D aan zoomo gt mz E MOT O SHELVING FILTERS uL E 482 60 420 00 55 00 13 Specifications Input Type Electronically balanced Transformer balancin
18. udio reserves the right to change features and specifications without prior notice 15 Warranty SUMMARY The Q4audio division 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
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