PDF ML-117 User Manual
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1. MODULE NAME MODULE FUNCTION ML 117A Input module ML 117 BC Shelving module continuous controls ML 117 DC Parametric module continuous controls ML 117 E Band pass continuous controls ML 117 BS Shelving module stepped controls ML 117 DS Parametric module stepped controls Tab 1 ML 117 Series modules Two different types are available the continuous control version and the stepped control version The input module and the band pass module are available only in the continuous version On customer reguest custom modules can be produced with different filter freguency characteristics ML 117 Configurations The typical standard configuration of the ML 117 is the same of the ML 116 two channels A and B each eguipped with an input module and full parametric egualizers in continuous Fig 1 and Tab 2 or stepped Fig 2 and Tab 3 version SLOT NUMBER MODULE NAME FUNCTION 1 ML 117 A Input module 2 ML 117 BC Shelving module continuous controls 3 ML 117 DC Parametric module continuous controls 4 ML 117 DC Parametric module continuous controls 5 ML 117 DC Parametric module continuous controls 6 ML 117 DC Parametric module continuous controls 7 ML 117 DC Parametric module continuous controls Tab 2 ML 117 Egualizer continuous mode controls configuration SLOT NUMBER MODULE NAME FUNCTION 1 ML 117 A Input module 2 ML 117 BS Shelving module stepped controls2. REAL Innovation ML 117 Mastering Monster Line Five Band Modular Parametric Egualizer Shelving ML 117 MONSTER EG CONTINUOUS CONTROLS MODULE STEPPED CONTROLS MODULE User Manual Issue 0 1 ARREL Audio SAFETY INSTRUCTIONS AN 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 Do not expose the instrument to liguids and rain Do not use it near water in damp wet conditions or place containers on it containing liguids If any liguid 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 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 roll anything over it A CAUTION Always fo
3. 3 ML 117 DS Parametric module stepped controls 4 ML 117 DS Parametric module stepped controls 5 ML 117 DS Parametric module stepped controls 6 ML 117 DS Parametric module stepped controls 7 ML 117 DS Parametric module stepped controls Tab 3 ML 117 Egualizer stepped mode controls configuration Custom configurations can be implemented In any case the first slot must be always eguipped with an input module ML 117 A ML 117 User Manual Issue 0 1 Page 8 ARREL Audio In custom configuration some rules must be observed as illustrated in Tab 4 SLOT NUMBER FUNCTION 1 Only Input module 2 Shelving or parametric modules 3 4 5 Only parametric modules 6 7 Tab 4 Slot Position modules compatibility ML 117 User Manual Issue 0 1 Page 9 ARREL Audio o HI CUT e e OFF PARAMETRIC Fig 2 Single channel front panel stepped control configuration ML 117 A Input Module This module must be provided as the first module of each section of the ML 117 chassis ML 117 User Manual Issue 0 1 Page 10 ARREL Audio GAIN CONTROL The input section gain control knob is located in the bottom of the module A continuous level control center detect in the 6 dB range is obtained by rotating the corresponding knob Fig 1 BAND PASS SYBSONIC FILTER CUT OFF FREQUENCY SUBSONIC FILTER SWITCH HI CUT FILTER SWITCH 15 dB
4. and to custom modules G CONTROL KNOB The O value is changed by rotating the corresponding knob Fig 4 EMPHASIS DE EMPHASIS CONTROL KNOB The emphasis de emphasis control in the 10 dB range is obtained by rotating the corresponding knob Fig 4 The range becomes 5 dB if the 5 dB function is on ML 117 DC This knob works as frequency boost if the corresponding CUT OFF BOOST switch is in the BOOST position switch lever green illuminated This knob works as frequency cut if the corresponding CUT OFF BOOST switch is in the CUT position switch lever red illuminated CONTROL Continuous LEVEL CONTROL 0 10dB Continuous Switchable 0 5 db DUAL COLOR TOGGLE SWITCH CUT OFF BOST FREQUENCY CONTROL Continuous FREQUENCY RANGE x2 4 Fx2 ML 117 DC ORREL Fig 4 ML 117 DC ML 117 User Manual Issue 0 1 Page 17 ARREL Audio EMPHASIS DE EMPHASIS CONTROL SWITCH This is a lever illuminated toggle switch Freguency boost is selected if the corresponding CUT OFF BOOST switch is in the position switch lever green illuminated Frequency cut is obtained if the corresponding CUT OFF BOOST switch is in the position switch lever red illuminated If the switch is not illuminated the off function is selected so the emphasis de emphasis knob is not active This function is important in order to avoid accidental operations Fig FREGUENCY CONTROL KNOB Turn the freguency
5. dB Step Switchable to 0 5 dB 1 dB Step LO SHELF SLOPE SWITCH Fig 3 ML 117 BS module EMPHASIS DE EMPHASIS CONTROL KNOB HI AND LOW The emphasis de emphasis control in the 10 dB range is obtained by by selecting the corresponding step for the ML 117 BS each step correspond to 2 dB The range becomes 5 dB if the 5 dB function is on In this case each step of the rotary switch to 1 dB Fig 3 SHELF SLOPE SWITCH HI AND LOW The slopes of the HI and LO shelving filters can be changed by using the toggle switch Fig 3 Three slopes are available ML 117 User Manual Issue 0 1 Page 15 ARREL Audio EG SHELVING SECTION ON SWITCH The shelving section can be activated by pressing the ON button green LED indicator Push the button to activate the shelving section green LED on Push again to by pass the shelving section of the egualizer green LED off Fig 3 5 dB SWITCH The range of the shelving section emphasis de emphasis knobs can be changed to the 5 dB range by pressing the 5 dB button yellow LED indicator Push the button to change to the 5 dB range yellow LED on Push again to switch off the 5 dB function yellow LED off Fig 2 ML 117 User Manual Issue 0 1 Page 16 ARREL Audio ML 117 DC Parametric Module Continuous Controls Each control described in this section is applicable to the five standard freguency bands LO MID LO MID MID HI HI
6. knob in order to select the reguired freguency value Fig 4 and Tab 5 FX2 SWITCH This button selects the F x 2 function Push the button to activate the F x 2 function red LED on Push again to deselect the F x 2 function red LED off Fig 4 This function permits to obtain ten different frequency bands FREQUENCY BAND ML 117 Dc FREQUENCY ML 117 Dc FREQUENCY BANDS BANDS FX20FF FX2ON LO 20 60 Hz 40 120 Hz MID LO 80 240 Hz 160 480 Hz MID 300 800 Hz 600 1600 Hz MID HI 1000 3000 Hz 2000 6000 Hz HI 4000 12000 Hz 8000 24000 Hz CUSTOM XX XX Hz XX XX Hz Tab 5 Frequency bands for the ML 117 DC ML 117 User Manual Issue 0 1 Page 18 ARREL Audio ML 117 DS Parametric Module Stepped Controls Each control described in this section is applicable to the five standard freguency bands LO MID LO MID MID HI HI and to custom modules Q CONTROL KNOB The Q value is changed by selecting the step 12 steps available in the stepped version Fig 5 EMPHASIS DE EMPHASIS CONTROL KNOB The emphasis de emphasis control in the 10 dB range is obtained by rotating the corresponding knob Fig 5 The range becomes 5 dB if the 5 dB function is on For the ML 117 DS we have 1 dB step 5 dB function off or 0 5 dB step 5 dB function on Fig 5 This knob works as frequency boost if the corresponding CUT OFF BOOST switch is in the BOOST position switch lever green illuminated This
7. knob works as frequency cut if the corresponding CUT OFF BOOST switch is in the CUT position switch lever red illuminated PARAM 20 100 sd STEPPED Q CONTROL 12 STEPS EMPHASIS DE EMPHASIS CONTROL 0 10dB 1dB Step Switchable to 0 5 dB 0 5 dB Step DUAL COLOR TOGGLE SWITCH CUT OFF BOST FREQUENCY TRIM CENTER DETECT CENTRAL FREQUENCY SELECTOR 6 STEPS Fig 5 ML 117 DS ML 117 User Manual Issue 0 1 Page 19 ARREL Audio EMPHASIS DE EMPHASIS CONTROL SWITCH This is a lever illuminated toggle switch Freguency boost is selected if the corresponding CUT OFF BOOST switch is in the position switch lever green illuminated Frequency cut is obtained if the corresponding CUT OFF BOOST switch is in the position switch lever red illuminated If the switch is not illuminated the off function is selected so the emphasis de emphasis knob is not active This function is important in order to avoid accidental operations Fig 5 FREGUENCY CONTROL KNOB Select the desired step to change the freguency band 6 steps are available 20 28 40 55 75 100 Hz Fig 5 and Tab 6 FREGUENCY TRIM CONTROL KNOB Rotate the freguency trim knob to change the freguency band A variation of 10 95 is available on 270 degrees of knob rotation FREGUENCY BAND ML 117 DS FREGUENCY BANDS FX 2 OFF LO 20 28 40 55 75 100 Hz MID LO 80 110 160 220 300 400 Hz MID 30
8. red LED PARAMETRIC SECTION Egualizer Mute Mute button to deselect the parametric section red LED 5 dB Button dB range switch yellow LED to change the range of the emphasis de emphasis potentiometer Input Peak Meter BAND PASS FILTER LO CUT filter 6 selectable cut off frequencies sub sonic filter 10 15 20 25 30 40 Hz 12 dB Oct HI CUT filter 50 KHz cut off frequency 12 dB Oct MS 117 BC SHELVING EQUALIZER MODULE CONTINUOUS CONTROLS HI SHELF 10 dB gain 5 dB gain with 5 dB button on LO SHELF 10 dB gain 5 dB gain with 5 dB button on SHELF SHAPE SWITCH 3 positions switch to selects the slope of the shelving filters By Pass True bypass switch green LED dB range switch yellow LED to change the range of the shelving peron emphasis de emphasis potentiometer ML 117 BS SHELVING EQUALIZER MODULE STEPPED CONTROLS HI SHELF 11 steps rotary knob 10 dB gain 1 dB step 5 dB gain with 5 dB button on 0 5 dB gain 11 steps rotary knob 10 dB gain 1 dB step 5 dB gain with 5 dB LO button on 0 5 dB gain SHELF SHAPE SWITCH 3 positions switch to selects the slope of the shelving filters ON switch True bypass switch green LED dB range switch yellow LED to change the range of the shelving emphasis de emphasis potentiomete
9. 0 420 600 825 1125 1500 Hz MID HI 1000 1400 2000 2750 3750 5000 Hz 4000 5600 8000 11000 15000 20000 Hz CUSTOM XX XX XX XX XX XX Tab 6 Freguency bands for the ML 117 DS ML 117 User Manual Issue 0 1 Page 20 ARREL Audio ML 117 D Band Pass Module The ML 117 D flexible filtering module that cha be used as HI pass LO CUT on HI CUT off LO pass LO CUT off HI CUT on or BAND PASS LO CUT on HI CUT on filter CUT OFF FREQUENCY CONTROL KNOB Turn the frequency knob in order to select the required cut off frequency Fig 6 and Tab 7 for the LO CUT and HI CUT sections Two ranges are available depending on the frequency range switch FREQUENCY RANGE SWITCH This switch selects two different frequency ranges for the LO CUT and HI CUT sections Fig 6 Tab 7 LO CUT SWITCH The input signal can be filtered by a HI pass filter by pressing the LO CUT button green LED indicator Push the button to activate the HI pass filter green LED on Push again to deselect the HI pass filter green LED off Fig 6 HI CUT SWITCH The input signal can be filtered by a LO pass filter by pressing the HI CUT button green LED indicator Push the button to activate the HI pass filter green LED on Push again to deselect the HI pass filter green LED off Fig 6 LO CUT FILTER FREQUENCY RANGE FREQUENCY SELECTOR SWITCH 1 10 1 10 KHz FREQUENCY SELECTOR SWITCH 8 10 8 20 KHz HI CUT FILTER FR
10. 39 06 5062017 Info info arrel audio com Web www arrel audio com Support http Avww arrel 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 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 ML 117 User Manual Issue 0 1 Page 3 ARREL Audio TABLE OF CONTENTS SAFETY NST RUS eegend 2 ARREL Audio Contacts i sis a i iii H 3 INTRODUCTION WE 6 Housing and Hack Mounting E 7 ML 117 Modules Table 8 EEGEN RE 8 MEATZA Pt MOG 10 Gain EE 11 aes 11 Peak indicator M MP i ii i i i i i i i a i i 11 OFF SWITGH EE 12 SA B MAC sa a aa a aaa GE A cuu dM TTT CUM A 12 LO CUT subsonic filter switch E 12 CUT OFF FREQUENCY ROTARY eet edel eg 12 SWIN eegene 12 ML 117 BC Shelving Module Continuous Controls 13 Emphasis de emphasis c
11. 5 mm 1 75 1 RU D 225 mm 8 86 Weight 6 Kg ML 117 POWER SUPPLY Power Supply Linear Regulator Toroidal Transformer Operating Voltage 220V 50 Hz 110V 60 Hzon request 110 V Power Consumption 25W Rear Panel AC mains IEC C13 16 A connector AC mains cord with IEC Schuko 16A Voltage Output 18 24 300 mA 48 VDC 25 mA Power switch B ack panel backlighted switch ML 117 User Manual Issue 0 1 Page 31
12. EQUENCY RANGE FREQUENCY SELECTOR SWITCH 1 10 20 60 Hz FREQUENCY SELECTOR SWITCH 8 10 50 150 Hz Tab 7 Frequency bands ML 117 E band pass filter module ML 117 User Manual Issue 0 1 Page 21 ARREL Audio FREGUENCY CONTROL Continuous TOGGLE SWITCH RANGE SELECTOR HI CUT SWITCH LO CUT SWITCH FREQUENCY CONTROL Continuous TOGGLE SWITCH RANGE SELECTOR Fig 6 ML 117 E ML 117 User Manual Issue 0 1 Page 22 ARREL Audio ML 117 Back Panel Controls and Operations POWER SUPPLY SWITCH The ML 117 power on switch is located in the left part of the back panel The power on state is indicated by the illumination of the switch Fig 4 BAL UMBAL SWITCH On the back panel of the ML116 each output is eguipped with a Bal Unbal switch Fig 4 o CHANNEL B CHANNEL A OUTPUT INPUT OUTPUT INPUT 1 GROUND 2 PHASE 3 PHASE Fig 4 Back panel ML 117 User Manual Issue 0 1 Page 23 ARREL Audio APPENDIX A External connections ARKEL AUDIO WIRING ML 117 LINE INPUT XLR On the back 3 1 Ground 2 PHASE 3 PHASE Balanced line It is possible connect unbalanced lines MAIN OUTPUT XLR On the back 3 1 Ground pPI 2 PHASE 1 2 _ 3 NOJ Balanced line only Switch for unbalanced lines FIG 5 ML 117 external connections ML 117 User Manual Issue 0 1 Page 24 ARREL Aud
13. L Audio APPENDIX Half Front Panel aa aaa i EEN 25 APPENDIX Half Front Panel Stepped Control 26 APPENDIX D Front Pariel u242222022222220202022 222 220 0222222202220202022 20 0 09 02 2 920 0 2m9c029 2020 27 APPENDIX E Back Panel 28 TECHNICAL SPECIFICATION cenar nn iii i i i eterne nennen 29 ML 117 User Manual Issue 0 1 Page 5 ARREL Audio INTRODUCTION The ARREL Audio Mastering Monster Modular EG ML 117 is an advanced 2 channel modular egualizer built to meet the versatility demands of professional recording and mastering engineers Special analog design technigues has been used to obtain a precise control of the sound structure down to the minimum details Each channel of the ML 117 is eguipped with 7 modules Three families of modules are available stepped control continuous control modules and custom modules The first module on the left of each channel must be an input module the other modules can be chosen between continuous stepped or custom modules see the compatibility list in Tab 4 The ML 117 features and LO cut filters and a 5 band parametric equalizer section high and low shelving filters This advanced set of tools for the manipulation of the frequency spectrum allow for unique filtering designs and for tuning of the structure of the sound down to the smallest detail The ML 117 is based on Livio Argentini s patented
14. RANGE SWITCH PARAMETRIC SECTION PEAK MUTE BUTTON PEAK DETECTOR LED ks 4 OFF PARAMETRIC PHASE INVERSION SWITCH Fig 1 ML 117 A Front panel PHASE SWITCH The input signal phase can be inverted by pressing the PHASE button red LED indicator Push the button to invert the phase red LED on Push again to switch off the phase inversion red LED off Fig 1 PEAK INDICATOR A peak level detector red LED on circuit indicates when the output level is 6 dB with respect to the saturation level Fig 1 The red LED do not means saturation but must be interpreted as a warning indicating you are reaching the saturation level ML 117 User Manual Issue 0 1 Page 11 ARREL Audio OFF SWITCH The parametric section can be excluded by pressing the OFF button red LED indicator Push the button to exclude the parametric section red LED on Push again to switch on the parametric section of the egualizer red LED off Fig 1 5 dB SWITCH This button changes the range of the emphasis de emphasis continuous or stepped controls in the corresponding parametric modules ML 117 DC ML 117 DS The range can be changed to 5 dB by pressing the 5 dB button yellow LED indicator Push the button to change to the 5 dB range yellow LED on Push again to switch off the 5 dB function obtaining 10 dB range yellow LED off Fig 1 LO CUT SUBSONIC FILTER SWITCH The input signal can be filtered by a var
15. equency bands The stepped control modules ML 117 S are characterized by rotary switches The ML 117 BS has 11 positions for emphasis de emphasis control and a three positions toggle switch for the shelving slope The ML 117 BS has 11 positions for the emphasis de emphasis control and 6 positions for the selection of the frequency band Moreover a fine trim continuous knob is used for super fine tuning of the frequency In the ML 117 short lever toggle switches have been used to limit accidental operations To obtain an outstanding audio quality no servo amplifiers are used in the ML 117 so IT IS NOT POSSIBLE TO UNBALANCE THE LINE OUT OF THE ML 117 If you need an unbalanced connection for the line out there follow the instructions in APPENDIX A Even though the ML 166 has been designed for professional mastering applications it can be used in any high profile recording broadcast or live applications ML 117 User Manual Issue 0 1 Page 6 ARREL Audio HOUSING AND RACK MOUNTING The ML 117 has been designed to be compliant with a 3U rack No specific air Conditioning is required for the racks provided that there is a free flow of air through the rack from front to back and the temperature is maintained in the operating range Consequently the racks may be stacked ML 117 User Manual Issue 0 1 Page 7 ARREL Audio ML 117 Modules Table At present the modules available are listed in Tab 1
16. he gain potentiometer emphasis OFF de emphasis Emphasis de emphasis knob 11 steps rotary control knob to set the emphasis de emphasis value Q Control 11 steps rotary knob to set the Q value ML 117 User Manual Issue O 1 Page 30 ARREL Audio MS 117 D BAND PASS FILTER MODULE LO CUT SWITCH On off switch for the high pass filter green LED HI CUT SWITCH On off switch for the low pass filter green LED LO CUT TOGGLE SWITCH Freguency range switch 4 10 KHz 8 20 2 HI CUT TOGGLE SWITCH Freguency range switch 20 60 Hz 50 150 Hz LO CUT CONTROL Freguency band LO CUT rotary knob 12 dB Oct HI CUT FREQUENCY CONTROL Freguency band HI CUT rotary knob 12 dB Oct ML 117 OUTPUT SECTION Output Electronically balanced Output Impedance 100 O minimum external load 6000 Output Level Level 4dBu Max 28 dBu Bandwidth 5 200 000 Hz 1dB perfect square wave up to 20 KHz Distortion Noise lt 0 005 typical 0 001 90 BACK PANEL CONTROLS Power On Switch Power Supply switch Bal Unbal Switch to select balanced or unbalanced connection ML 117 MECHANICAL SPECIFICAT ION Construction 19 3U rack mount metal box Number of Modules 14 Dimensions W 483 mm 19 H 133 3
17. iable cut off freguency subsonic filter by pressing the LO CUT button green LED indicator Push the button to activate the subsonic filter green LED on Push again to deselect the subsonic filter green LED off Fig 1 CUT OFF FREGUENCY ROTARY SWITCH The cut off frequency of the subsonic filter can be changed by the rotary switch Six possible frequencies are available 10 15 20 25 30 40 Hz Fig 1 HI CUT SWITCH The input signal can be filtered by a low pass filter by pressing the HI CUT button green LED indicator Push the button to activate the HI pass filter green LED on Push again to deselect the HI CUT filter green LED off Fig 1 ML 117 User Manual Issue 0 1 Page 12 ARREL Audio ML 117 BC Shelving Module Continuous Controls The shelving egualizers are available in two different versions continuous control version ML 117 BC and stepped version ML 117 BS In the two sections HI and LOW of the ML 117 BC shelving filters are provided Each control described in this section is applicable to the two shelving filters HI and LOW Fig 2 HI SHELF EMPHASIS DE EMPHASIS CONTINUOUS CONTROL 0 10 dB Switchable to 0 5 dB HI SHELF SLOPE 5dB RANGE SWITCH SHELF SECTION BY PASS SWITCH LO SHELF EMPHASIS DE EMPHASIS CONTINUOUS CONTROL 0 10 dB Switchable to 0 5 dB LO SHELF SLOPE Fig 2 ML 117 BC module EMPHASIS DE EMPHASIS CONTROL KNOB HI AND LOW The emphasis de emphasis cont
18. io APPENDIX B Half Front Panel QI REL weg PARAM ML 117 DC o ARREL ML 117 DC ARREL weg PARAM MID ARREL wAu Dc 9 z ARREL wAu pe ARRCL wu 0c wunne BAND PASS PARAMETRIC FIG 6 ML 117 half front panel continuous control module ML 117 User Manual Issue 0 1 Page 25 ARREL Audio APPENDIX C Half Front Panel Stepped Control Module ARREL _ weg 7 2 E LUJ c El 8 2 LU gl 2 E PARAM MID LO PARAM LO BAND PASS PARAMETRIC FIG 7 ML 117 half panel stepped control module ML 117 User Manual Issue 0 1 Page 26 ARREL Audio APPENDIX D Front Panel CONTINUOUS CONTROLS MODULE STEPPED CONTROLS MODULE FIG 7 ML 117 front Panel ML 117 User Manual Issue 0 1 Page 27 ARREL Audio 009 3515 MOE 2 09 09 o o OV 022 00 NI SNIVIN o o o Da UALSNON TN epes 13000 2 929 APPENDIX E Back Panel Page 28 FIG 8 ML 117 Back Panel ML 117 User Manual Issue 0 1 ARREL Audio TECHNICAL SPECIFICATIONS MS 117 A INPUT MODULE Input Electronically balanced Impedance gt 10 KO Input Gain Range 6 dB rotary knob with center detect Phase Inversion Phase Reverse button
19. llow 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 Do not connect the instrument to an electrical outlet using a multiple connector Doing so can result in lower sound quality 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 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 resu
20. lt in the instrument falling over mmm information for Users on Collection and Disposal of Old Equipment 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 ML 117 User Manual Issue 0 1 Page 2 ARREL Audio ARREL Audio Contacts ARREL Audio Via A Mondadori 7 00128 Rome Italy Tel 39 06 506 2017 Fax
21. ontrol knob hi and low 13 Shelf slope switch hi and low AEN 13 ON Eculpe e 14 nid ED a i 14 ML 117 BS Shelving Module Stepped Controls 15 Emphasis de emphasis control knob hi and 10 15 Shelf slope switch hi and low EE 15 Eq shelving section ON SWITGEL siet o i RR a a Lu 16 5 dil rH Ne 16 ML 117 DC Parametric Module Continuous 17 G control le o EO A nan 17 Emphasis de emphasis control knob ENEE 17 Emphasis de emphasis control switch 18 Frequency control uo EE 18 F X 2 SWIC re 18 ML 117 DS Parametric Module Stepped Controls 19 Q contol KNOB 19 Eimphasis de emphasis control KNOB sss Ja LL LO 19 Emphasis de emphasis control switch 20 Frequency control 20 Freg ency thim control i i i i gag a 20 ML 117 D Band TT 21 Cut off frequency control m 21 Frequency Range switch IS 21 EE 21 BEGUT SWIC EE 21 ML 117 Back Panel Controls and 23 Power supply switch aki i a A a a a a a Aa aki aaa 23 lant TE e E 23 APPENDIX A External 24 ML 117 User Manual Issue 0 1 Page 4 ARRE
22. r ML 117 User Manual Issue 0 1 Page 29 ARREL Audio ML 117 DC PARAMETRIC EGUALIZER MODULE CONTINUOUS CONTROLS LO 20 60 Hz MID LO 80 240 MID 300 800 Hz MID HI 1000 3000 Hz FX20FF HI 4000 12000 Hz All the filters are bell shaped CUSTOM XX XX XX XX Hz LO 40 120 Hz MID LO 160 480 Hz MID 600 1600 Hz FREQUENCY BANDS MID HI 2000 6000 Hz 8000 24000 Hz All the filters are bell shaped CUSTOM XX XX Hz F X 2 Button Switch to multiply by 2 the frequency range of the parametric filters green LED BOOST OFF CUT SWITCH 3 positions switch to select the function of the gain potentiometer emphasis OFF de emphasis Emphasis de emphasis knob Rotary control knob to set the emphasis de emphasis value Q Control Rotary control knob to set the Q value ML 117 DS PARAMETRIC EQUALIZER MODULE STEPPED CONTROLS FREQUENCY BANDS All the filters are bell shaped Six steps rotary switch LO 20 28 40 55 75 100 Hz MID LO 80 110 160 220 300 400 Hz MID 300 420 600 825 1125 1500 Hz MID HI 1000 1400 2000 2750 3750 5000 Hz HI 4000 5600 8000 11000 15000 20000 Hz CUSTOM XX XX XX XX XX XX Hz Frequency trim switch to multiply by 2 the frequency range of the parametric filters green LED BOOST OFF CUT SWITCH 3 positions switch to select the function of t
23. rol in the 10 dB range is obtained by rotating the corresponding knob Fig 2 for the ML 117 BC The range becomes 5 dB if the 5 dB function is on SHELF SLOPE SWITCH HI AND LOW The slopes of the HI and LO shelving filters can be changed by using the toggle switch Fig 2 Three slopes are available ML 117 User Manual Issue 0 1 Page 13 ARREL Audio ON SWITCH The shelving section can be activated by pressing the ON button green LED indicator Push the button to activate the shelving section green LED on Push again to by pass the shelving section of the egualizer green LED off Fig 2 5 dB SWITCH The range of the shelving section emphasis de emphasis knobs can be changed to the 5 dB range by pressing the 5 dB button yellow LED indicator Push the button to change to the 5 dB range yellow LED on Push again to switch off the 5 dB function yellow LED off Fig 2 ML 117 User Manual Issue 0 1 Page 14 ARREL Audio ML 117 BS Shelving Module Stepped Controls In the two sections HI and LOW of the ML 117 BS shelving filters are provided Each control described in this section is applicable to the two shelving filters HI and LOW Fig 3 HI SHELF EMPHASIS DE EMPHASIS STEPPED CONTROL 0 10 dB 2 dB Step Switchable to 0 5 dB 1 dB Step HI SHELF SLOPE SWITCH 5 dB RANGE SWITCH SHELF SECTION BY PASS SWITCH LO SHELF EMPHASIS DE EMPHASIS STEPPED CONTROL 0 10 dB 2
24. single stage parallel parametric filters This innovative phase coherent EQ design offers the lowest distortion noise specifications not available on similar units on the market The equalizer architecture provides a 6 dB rotary knob with center detect controlling the input level a 50 KHz HI cut filter and a subsonic filter with 6 selectable cut off frequencies The continuous parametric control module is a traditional parametric equalizers with Q frequency and emphasis de emphasis rotary knobs This unit has been designed for mastering applications where very precise settings are required To this purpose both the parametric and the shelving sections are equipped by a special function button 5 dB button that halves the emphasis de emphasis range for super fine tunings When this button is pressed the pot s entire 270 rotation is spread on a 5 dB range rather than the default 10 dB range permitting and easy manual recall without the use of stepped controls The filtering section offers low and high shelving filters with 3 different shelving slopes selected by a switch The emphasis de emphasis for the shelving section is controlled in the 10 dB range by rotary knobs A special button labeled 5 dB halves the emphasis de emphasis range for super fine tunings The Monster EQ can be equipped with 5 or 6 in the case the shelving function is not used single stage fully parametric bands The F x 2 switches are used to multiply by 2 the fr
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