PDF R-507 User Manual
Contents
1. R 507 User Manual Issue 0 0 Page 142. This special symbol on 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 507 User Manual Issue 0 0 Page 2 ARREL Audio ARREL Audio Contacts ARREL Audio 7 00128 Rome Italy Tel 39 06 506 2017 Fax 39 06 5062017 Info info arrel audio com Web www arrel audio com Support http www arrel
3. REAL Innovation R 507 Mid Side Unit O R507 ELITE STEREO WIDTH 2 Ly OFF a LPF 0 DRY User Manual Issue 0 0 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 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 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 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 electrica
4. s La a s 5 LJ a 4 go LE Eb eds 122 12 3 8 4 E 8 PA 2 s 58 54 ay 2 507 BLOCK DIAGRAM ARREL ARREL AUDIO FIG 5 R 507 Block Diagram R 507 User Manual Issue 0 0 Page 13 ARREL Audio TECHNICAL SPECIFICATIONS 16 VDC very low power supply currents with respect to the Powe Supply 500 series standard Electronically Balanced Input Impedance 20KQ Input Level 4dBu Max 24 dBu Output Level Electronically Balanced Level 4 dBu Max 26 dBu Output Impedance 100 Q Bandwidth 5 200 000 Hz 1dB perfect square wave up to 20 KHz Distortion Noise lt 0 005 typical 0 001 L R Filters LPF HI CUT with 2 frequencies 8500 Hz 7000 Hz HPF LO CUT 30 700 Hz Front Panel Controls L R INPUT LEVEL HPF LO CUT SWITCH HPF LO CUT KNOB LPF HI CUT SWITCH DRY WET KNOB STEREO WIDTH VU METER SWITCH Front Panel Indicators 10 led bar graph display Rear Panel Input 500 series compatible connector two standard units Connectors Compliant 500 series rack with PSU and external audio Construction connections Two 500 series rack slots are required for each R 507 module Dimensions Series 500 compatible double module Weight 500 g
5. am 13 TECHNICAL SPECIFICATIONS nn seeds 14 R 507 User Manual Issue 0 0 Page 4 ARREL Audio INTRODUCTION The ARREL Audio R 507 is a new MID SIDE unit characterized by an outstanding sound quality and a number of new functions that are not available on other MID SIDE units on the market At present the R 507 is the first MID SIDE unit available for the 500 series The R 507 is an advanced Mid Side analog processor designed by ARREL Audio for the 500 series to comply with the demands of professional recording and mastering engineers Mid Side processing is based on the coding of a stereo signal into two components The Mid channel contains the information that appears in both the left and right channels and the Side channel contains all the information that differs between the left and right channels Once encoded into M S these two signals can be processed independently before being decoded back into channels The M S technique gives more control over the width of the stereo image than techniques based on microphone placement techniques The R 507 is a code decode mono stereo system to be used primarily for mastering and recording On top of its amazing sound quality the R 507 MS unit features a unique set of functions The L R channel gain control gives the maximum Signal Noise ratio and the optimum headroom in the audio path This fact is impor
6. ath L R LEVEL KNOB The L R level knob is used to chain the gain at the input of the L R chain HPF LO CUT SWITCH The HPF switch is used to activate the LO CUT filter HPF LO CUT KNOB The HPF knob is used to change the cut off frequency of the LO CUT filter The frequency range is 30 700 Hz 12 dB Oct LPF HI CUT SWITCH The HPF switch is used to activate the LO CUT filter and to choose one of the two LO CUT frequencies 3500 Hz and 7000 Hz INSERT CONNECTORS The insert Bantam connectors on the front panel are used to connect outboards in order to process the L R and the L R channel The four connectors correspond to balanced line level lines INSERT SWITCH The insert switches are used to activate the insertion of the outboards connected to the insert XLR connectors DRY WET KNOB The DRY WET knob is used to mix the DRY L R channel with the processed L R channel STEREO WIDTH KNOB This knob controls the level of the L R channel before the reconstruction of the stereo image R 507 User Manual Issue 0 0 Page 7 ARREL Audio O 507 ELITE Fig 1 R 507 front panel R 507 User Manual Issue 0 0 Page 8 ARREL Audio VU METER SWITCH The VU switch is used to select different signals at the input of the VU meter Input L R level after gain control LEFT and RIGTH right output channels BAR GRAPH DISPLAY 10 led bar graph display is used to visualize the audio level R 507 User Man
7. audio com support ARREL Audio is continuously 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 507 User Manual Issue 0 0 Page 3 ARREL Audio TABLE OF CONTENTS SAFETY INSTRUCTIONS siii 2 ARREL Audio Contacts ama em ene ee ene eee en eee 3 TABLE OF CONTENTS condado addon door 4 INTRODUC TION a anaes 5 e e en ee ee ee ee mee ee er 5 Installation Instructions cn ce uen 6 R 507 Front Panel Controls and Operations 7 CODING SEC TION de retarde dent mamie 7 L R level ROBE nes AAA dede 7 COSTES WITH 7 COSITA ac 7 HEGUT SWITG AN 7 INSERTOONNESTOR Sacra 7 INSERT SWITG iras AAA O 7 OR OWE NOE AA oda 7 STEREO width KNOB scr 7 VU METER S WITH 9 BAR GRAPH DISPLAY asin dr a 9 APPENDIX A Front Pal denim ins 10 APPENDIX B EXTERNAL CONNECTIONS sosa 11 APPENDIX 500 series module edge 12 APPENDIX D Block Di
8. l shock short circuiting damages fire or other hazards These precautions include but are not limited to the following 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 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 e 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 mu Information for Users on Collection and Disposal of Old Equipment
9. les in the R 507 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 gt The module is not designed to be hot plugged so please ensure the power to the 500 series enclosure is OFF before inserting or removing a module this recommendation is useful in order to protect the 500 enclosure circuits our product due to a very robust construction could be hot plugged without problems R 507 User Manual Issue 0 0 Page 6 ARREL Audio R 507 Front Panel Controls and Operations The R 507 input stage is based on a differential amplifier so it is electronically balanced The standard input level for the R 507 is 4dBu CODING SECTION After the input stage the L and audio signals are processed by the analog processor matrix to obtain the L R and L R signals L R signal being the summation of two signals is in the range 0 6dB while the L R signal is in the typical range of 0 60 dB usually 20 dB Those levels are typical levels and their value depends exclusively on the characteristics of the L and R signals In the R 507 the L R is equalized at a standard amplitude level while the L R channel is equipped with a gain control to obtain a 4 dBu signal at the input of the L R channel This fact is important when compressors limiters are used as inserts in the MID SIDE audio p
10. tant when compressors limiters are used as inserts in the MID SIDE audio path The L R processing section contains HPF LO CUT and LPF HI CUT filters HPF filter parameters 30 700 Hz 12 dB Oct control knob LO CUT filter two fixed frequencies 3500 Hz and 7000 Hz 12dB Oct INSERT points are available to connect outboards on the front panel Bantam in order to elaborate the L R and L R channels In this unit the wet and dry signals can be mixed together An insert switch illuminated by a LED is available on the front panel to activate the connected outboard The R 507 features a multifunction VU meter to display the L R level and the L and R output channels Housing The R 507 Mid Side Unit module has been designed to be compliant with the 500 series standard Two slots are used to install the R 507 R 507 User Manual Issue 0 0 Page 5 ARREL Audio Installation Instructions gt Remove the R 507 module from the packaging gt Turn off the 500 series enclosure and remove mains power gt Find two empty slots in the 500 series rack and remove the 4 fastening screws positioned one on the top of the enclosure and one the the bottom of the enclosure gt Insert the R 507 into the empty slots in the 500 series enclosure Be sure that the rear edge connector on the R 507 module mates correctly with the edge connectors of the 500 series enclosure gt Replace the 4 fastening screws through the top amp bottom ho
11. ual Issue 0 0 Page 9 ARREL Audio APPENDIX A Front Panel ARREL mpspeE R507 AUDIO ELITE O INSERT MID SIDE L R L R SEND SEND RETURN RETURN FIG 2 R 507 front panel R 507 User Manual Issue 0 0 Page 10 ARREL Audio APPENDIX B EXTERNAL CONNECTIONS ARIEL AUDIO WIRING 507 LINE INPUT XLR On the back panel 3 1 Ground eN 2 PHASE t o 2 C y 3 PHASE Balanced line Can be unbalanced MAIN OUTPUT XLR On the back 3 1 Ground 2 PHASE tio 2 3 PHASE Balanced line only use unbalanced lines disconnect pin INSERT SEND BANTAM On the front panel HOT GROUND COLD Balanced line only use unbalanced lines disconnect pin INSERT RETURN BANTAM On the front panel lt HOT GROUND COLD Balanced line Can be unbalanced FIG 3 External connections R 507 User Manual Issue 0 0 Page 11 ARREL Audio APPENDIX C 500 series module edge connector 1 GROUND 2 OUT 3 4 OUT 5 GROUND R 500 7 8 IN MODULE 10 IN 11 12 16V 13 GROUND 14 16 V 15 48 FIG 4 500 Series module edge connector R 507 User Manual Issue 0 0 Page 12 ARREL Audio APPENDIX D Block Diagram RIGHT OUT 2 dBu 15 4 dBu 15 8 E 5 gt 8 E 5 if 7
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