PDF R-502 User Manual
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1. REAL Innovation R 502 3 Band Parametric Equalizer 9 center frequencies ARREL R502 User Manual Issue 0 2 ARREL Audio SAFETY INSTRUCTIONS A WARNING Always follow the precautions listed below to avoid any possibility of serious injury or even death from electrical shock short circuiting damages fire or other hazards These precautions include but are not limited to the following e Do not expose the instrument to liquids and rain Do not use it near water or in damp or wet conditions or place containers on it containing liquids If any liquid seeps turn off the power and unplug the power cord from the AC outlet e Do not put burning items such as candles on the unit A burning item may fall over and cause a fire e This instrument contains no user serviceable parts Do not open the instrument or attempt to disassemble or modify the internal circuit e _ Never insert or remove an electric plug with wet hands e Check the electric plug periodically and remove any dirt or dust which may have accumulated on it e Do not place the power cord near heat sources such as heaters or radiators and do not excessively bend or otherwise damage the cord place heavy objects on it or place it in a position where anyone could walk on trip over or roll anything over it A CAUTION Always follow the precautions listed below to avoid any possibility of serious injury or even death from electrical shock short circuit2. R 502 MID band F x 1 R 502 User Manual Issue 0 2 Page 13 ARREL Audio Omas R 502 LO BAND F x 1 N BANDO F x 2210 2014 13 26 37 22 10 2014 13 28 25 co a p m 5 500 Tk Frequency Hz 10 22 2014 2 05 Page 2 of 2 FIG 6 R 502 LO band F x 1 R 502 User Manual Issue 0 2 Page 14 ARREL Audio TECHNICAL SPECIFICATIONS Number of Channels 1 16 VDC very low power supply currents with respect to the 500 Electronically Balanced Impedance 20KQ Input Level 4dBu Max 20 dBu Line Input Electronically Balanced Level 4 dBu Max 28 dBu Output Impedance 100 Q andwidth 6 300 KHz 0 1dB perfect square wave up to 50 KHz lt 0 003 typical 0 001 True By Pass button LED Gain Emphasis De Emphasis rotary control with center detect 3 controls Range 14 dB Center Frequency rotary control 3 controls Frequency band control three positions switch Frequency 2 Frequency x 1 Frequency x 2 3 controls Q control three positions switch narrow medium wide 3 controls Controlled by 3 positions switches LO Bell shape 20 60 Hz F 2 40 120 Hz F x 1 or 80 240 Hz Fx2 Frequency Bands MID Bell shape 200 600 Hz F 2 400 1200 Hz F x 1 or 800 2400 Hz Fx2 HI Bell shape 2 000 6 000 Hz F 2 4 000 12 000 Hz F x 1 or 8 000 24 000 Hz Fx2 a ER Series 500 compatible connector onnectors Compliant 500 series rack with PSU and external audio Ou
3. the products packaging and or accompanying documents means that used electrical and electronic products should not be mixed with general household waste For proper treatment recovery and recycling of old products please take them to applicable collection points in accordance with your national legislation and the Directives 2002 96 EC By disposing of these products correctly you will help to save valuable resources and prevent any potential negative effects on human health and the environment which could otherwise arise from inappropriate waste handling For more information about collection and recycling of old products please contact your local municipality your waste disposal service or the point of sale where you purchased the items For business users in the European Union If you wish to discard electrical and electronic equipment please contact your dealer or supplier for further information Information on Disposal in other Countries outside the European Union This symbol is only valid in the European Union If you wish to discard these items please contact your local authorities or dealer and ask for the correct method of disposal R 502 User Manual Issue 0 2 Page 2 ARREL Audio REAL Audio Contacts REAL Audio Via A Mondadori 7 00128 Rome Italy Tel 39 06 506 2017 Fax 39 06 5062017 Info info real audio it Web www real audio it Support http www real audio it support REAL Audio is cont
4. INPUT XLR On the back WIRING R 502 3 1 Ground 2 PHASE 3 PHASE Balanced line Can be unbalanced MAIN OUTPUT XLR On the back 3 1 Ground 2 PHASE a 3 PHASE Balanced line only To use unbalanced lines disconnect pin 3 FIG 2 External connections R 502 User Manual Issue 0 2 Page 9 ARREL Audio APPENDIX C 500 series module edge connector GROUND OUT OUT GROUND R 500 MODULE u 1 2 3 4 5 6 7 8 16V GROUND 16V 48 V FIG 3 500 Series module edge connector R 502 User Manual Issue 0 2 Page 10 ARREL Audio APPENDIX C R 502 Measurements Audio Sa ARREL Audio R 502 Distorsion precision Signal Path1 Stepped Frequend Sweep Measured 1 22 10 2014 15 04 05 ARREL Audio R 502 Distorsion 22 10 2014 15 04 05 ARREL Audio R 502 Distorsion 22 10 2014 15 04 05 Si oO m um a IE a a e HH m m ha 200 500 Frequency Hz 10 22 2014 3 04 Page 1 of 1 FIG 4 R 502 distorsion at 4 dBu R 502 User Manual Issue 0 2 Page 11 ARREL Audio IO CH R 502 HI BAND F x 1 ICON Er Xx 22002014 12 21 05 2270 2014 12 23 41 CO E m 5 500 Tk Frequency Hz 10 22 2014 2 02 Page 2 of 2 FIG 5 R 502 HI band F x 1 R 502 User Manual Issue 0 2 Page 12 ARREL Audio Audio HH R 502 MID BAND F x 1 precision co a p m A 500 Frequency Hz 10 22 2014 3 18 Page 2 of 2 FIG 6
5. asus nen 15 R 502 User Manual Issue 0 2 Page 4 ARREL Audio INTRODUCTION REAL Audio R 502 is an advanced single channel parametric equalizer conceived to offer to the 500 series user the superior audio performance of the REAL audio high level series products The unit offers to the 500 user high reliability rugged design outstanding audio quality versatility and ease of use typical of the tradition of REAL Audio products The R 502 equalizer is based on the Livio Agentini s Single Stage Parallel Configuration patented design This innovative phase coherent EQ design offers the lowest distortion noise specifications not available in other products The R 502 filtering section offers three band LO MID HI controls bell shape The emphasis de emphasis control range is 14 dB the three primary bands become nine by using three center frequency switches The Q control value narrow mid wide is selected by three switches one for each band A bypass button is used for a true analog by pass function LED To obtain an outstanding audio quality no servo amplifiers are used in the R 502 output stage so IT IS NOT POSSIBLE TO UNBALANCE THE SEND OUT OF THE R 502 If you need an unbalanced connection for the SEND out follow the indications shown in APPENDIX B R 502 is the first of the serie of equalizer that REAL Audio conceived for the 500 series the other models are R 503 R 504 R 505 in order to give to the user
6. ect the microphone audio source or instrument and select the correct settings gt The module is not designed to be hot plugged so please ensure the power to the 500 series lunchbox is OFF before inserting or removing a module this recommendation is useful in order to protect the lunchbox and the connected units R 502 User Manual Issue 0 2 Page 6 ARREL Audio R 502 Front Panel Controls and Operations The frequency and Q controls are available for the three frequency bands HI MID and LO CENTER FREQUENCY CONTROL KNOB The frequency band can be easily tuned by rotating the frequency control knob FREQUENCY RANGE SWITCH The frequency band control switch is used to modify the frequency band related to the center frequency control knob Three positions are available Frequency 2 Frequency x 1 Frequency x 2 EMPHASIS DE EMPHASIS CONTROL KNOB Rotate the emphasis de emphasis control knob to change the frequency content in a range of 14 dB Q CONTROL SWITCH Turn the toggle switch to change the Q Three positions are available narrow medium wide ON BUTTON Push the button to turn on the equalizer green LED on Press again to switch to turn off the equalizer green LED off R 502 User Manual Issue 0 2 Page 7 ARREL Audio APPENDIX A Front Panel FIG 1 R 502 Front Panel R 502 User Manual Issue 0 2 Page 8 ARREL Audio APPENDIX B EXTERNAL CONNECTIONS AREL AUDIO LINE
7. ing damages fire or other hazards These precautions include but are not limited to the following e Do not connect the instrument to an electrical outlet using a multiple connector Doing so can result in lower sound quality or possibly cause overheating in the outlet itself e When removing the electric plug from the instrument or an outlet hold the plug itself and not the cord Pulling by the cord can damage it e Remove the electric plug from the outlet when the instrument is not to be used for extended periods of time or during electrical storms e Do not place the instrument in an unstable position where it might accidentally fall over e Before moving the instrument remove all connected cables e When setting up the product make sure that the AC outlet you are using is easily accessible If some trouble or malfunction occurs immediately turn off the power switch and disconnect the plug from the outlet Even when the power switch is turned off electricity is still flowing to the product at the minimum level e When you are not using the product for a long time make sure to unplug the power cord from the wall AC outlet Use only the stand rack specified for the instrument When attaching the stand or rack use the provided screws only Failure to do so could cause damage to the internal components or result in the instrument falling over E Information for Users on Collection and Disposal of Old Equipment This special symbol on
8. inuously working to the improvement of its systems and related documentation In any case we reserve the right to change the specifications without notice but in the respect to the current legislation Disclaimer The information contained in this manual has been carefully checked and we believed is accurate at the time of publication In any case we do not assume any responsibility for inaccuracies errors or omissions nor any liability for any loss or damage resulting either directly or indirectly from use of the information contained in this manual R 502 User Manual Issue 0 2 Page 3 ARREL Audio TABLE OF CONTENTS SAFETY INSTRUC TONS secre 2 BRAEM ee ee eek 3 TABLE OF CONTENTS 0 4 0002000000002 000 E REE REESE RENEE ERE ENES NERE ind E 4 INTRODUCTION E 5 A OU OOO e E Po O TOA 6 instalation Wed De del E 6 R 502 Front Panel Controls and Operations 7 Center reducen y Control du e e E 7 Frequency range switch cccccscccescccsceceeeceeeccececseeceueceaeecseesauseeaeesseesueeeaeeseeeseesseeeeneees 7 Emphasis de emphasis control knob ss 7 Q control SWItCH occcccccccoocnnncccnnnnnncccnonoononnnnnnnnnonononnnnennnnnnnonnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnninonoss 7 ON ios 7 APPENDIX Ae FROM ir E 8 APPENDIX B EXTERNAL CONNECTIONS in 9 APPENDIX C 500 series module edge Connechor nenn nenn nenn nenn nenn nennen 10 APPENDIX G2 Measurements sca a 11 TECHNICAL SPECIFICATIONS
9. the best choice for its application The R 502 offers a very cool satin finish stainless steel or milk white painted RAL 9001 front panel and a semi closed stainless steel enclosure and has been designed to be compliant with the 500 series standard R 502 is dedicated due to his absolute sonic level quality to high professional vocal recordings classical instruments high dynamic range instruments such as drums and percussions REAL Audio products are designed and manufactured in Italy R 502 User Manual Issue 0 2 Page 5 ARREL Audio Housing The R 502 3 Band Parametric Equalizer module has been designed to be compliant with the 500 series standard Installation Instructions gt Remove the R 502 module from the packaging gt Turn off the 500 series enclosure and remove mains power gt Find an empty slot in the 500 series rack and remove the 2 fastening screws positioned one on the top of the enclosure and one the the bottom of the enclosure gt Insert the R 502 into the empty slot in the 500 series enclosure Be sure that the rear edge connector on the R 502 module mates correctly with the edge connector of the 500 series enclosure gt Replace the 2 fastening screws through the top bottom holes in the R 502 module and screw into the 500 series enclosure The module must be secured into the enclosure before turning the mains on gt Apply mains power into the 500 series enclosure and turn on gt Conn
10. tput Front Panel Controls Construction connections Single 500 series rack slot required for each R 501 module Series 500 compatible module Weight 500 g R 502 User Manual Issue 0 2 Page 15
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