M-Patch 2 - SM Pro Audio
Contents
1. 8 4 4 Damages defects caused by the following conditions are not covered by this warranty e Misuse neglect or failure to operate the unit in compliance with the instruc tions given in the user or service manuals e Connection or operation of the unit in any way that does not comply with the tech nical or safety regulations applicable in the country where the product is used e Damages defects that are caused by any other condition beyond the control of SM Pro Audio 8 4 5 Any repair carried out by unauthorized personnel will void the warranty 8 4 6 Products which do not meet the terms of this warranty will be repaired exclusively at the buyer s expense SM Pro Audio will inform the buyer of any such circumstance If the buyer fails to submit a written repair order within 4 weeks after notification SM Pro Audio will return the unit C O D with a separate invoice for freight and packing Such cost will also be invoiced separately when the buyer has sent in a written repair order 8 5 Claim for Damages Failure of SM Pro Audio to provide proper warranty service shall not entitle the buyer to claim consequential damages In no event shall the liability of SM Pro Audio exceed the invoiced value of the product 8 6 Other Warranty Rights This warranty does not exclude or limit the buyer s statutory rights provided by national law in particular any such rights against the seller that arise from a legally effective purchase contrac2. Input section on rear panel of M Patch 2 Note The M Patch 2 accepts mic or line level input signals Do not connect your power amplifier outputs to the M Patch 2 inputs 4 1 Stereo Inputs The Stereo main inputs feature XLR bal unbalanced combo connectors for L amp R input signal This input is perfect for connection to your main audio interface device example MBox 2 etc Simply connect your cables directly to the unit with either XLR or TS TRS cables 4 2 Aux Inputs The Aux input channel features two different connection possibilities in the form of 2 x RCA L amp R and a stereo 3 5mm mini jack input These connections are perfect for devices such as a CD players line output or a 3 5mm stereo mini jack connection from your PC s standard soundcard Note You can connect up to three different devices to the three physical connector possibilities simultaneously The input selector on the front panel allows selection of the desired input TO REDUCE THE RISK OF FIRE OR ELECTRONIC oe THIS EQUIPMENT TO RAIN OR MOISTURE z SHOCK DO NOT EXPOSE ACN076791654 a Model SERIAL M Patch 2 Input Power DC 12 16V AUX ss L Stereo A 4 3 Analog Audio Outputs The M Patch 2 features two 2 pairs L amp R of XLR balanced analog output con nectors on the rear panel These are labeled 1 amp 2 Connect these outputs to your destination device active monitors digital recorder or wherever you
3. stereo mini jack input source Tce 5 2 1 amp 2 Output selector switch The 1 2 output switch on the front panel of the M Patch 2 is for se lecting which desired output pair 1 or 2 you would like to route the audio signal to Simply change the position of the switch to toggle between output destinations Note If you have more than one pair of monitor speakers you could create a perfect switching facility for toggling between near field and lager format active room monitors 5 3 Input volume rotary attenuator controls The Aux input volume rotary attenuator control on the front panel of the M Patch 2 adjusts the level of monitored output signal for devices connected to the Aux inputs either the RCA or 3 5mm stereo min jack of the M Patch 2 The stereo input volume attenuator switch on the front panel of the M Patch 2 ad justs the level of monitored output signal for devices connected to the stereo inputs XLR combo connectors of the M Patch 2 AUX VOLUME 20 25 445 30 a An STEREO 2 OM 40 PASSIVE VOLUME CONTROL A H 5 QD 0dB MONO MONITOR SWITC JB INPUT SELECTION OUTPUT SELECTION MUTE 45 6 7 aces Y V A JL STEREO AUX ON VvO ME HEADPHONE 5 4 On Off Mute Switch The on off mute switch on the front panel is for enabling and disabling the M Patch 2 s built in mute function All audio signal output is disabled when the mute switch is in a depressed position The mute
4. STEREO VOLUME 20 AUX VOLUME s 20 25 7 15 30N 40 STEREO PASSIVE VOLUME CONTROL MONITOR SWITCH on i 50 2 73 JB INPUT SELECTION OUTPUT SELECTION MUTE 45 6 3 y R WLSTEREO AUX am ON VOBUME HEADPHONE Patch 2 Operating Manual August 2012 SIVIPRO SAFETY INSTRUCTIONS CAUTION To reduce the risk of electrical shock do not remove the cover or rear panel of this unit No user serviceable parts inside Please refer servicing to qualified personnel only WARNING To reduce the risk of fire or electrical shock do not expose this appliance to rain or moisture DETAILED SAFETY INSTRUCTIONS All safety and operation instructions of this manual should be read and adhered to before operation Retain Instructions Please retain all safety and operating instructions for future reference Follow instructions All operation and user instructions should be followed Water liquid and Moisture The appliance should not be used near water rain or other liquids Make sure that no liquid can leak spill or otherwise seep into the appliance Ventilation Please place the appliance so no obstacles interfere or impede the flow of air through the ventilation openings Heat The appliance should be situated away from other heat sources such as heaters radiators ovens or other appliances that produce heat Power Source Make sure your appliance is set to the correct voltage for the
5. arton together with the return authorization number to the following address SM Pro Audio Service Department W25 26 28 Roberna St Moorabbin Melbourne Victoria Australia 3189 m 8 4 Warranty Regulations 8 4 1 Warranty services will be furnished only if the product is accompanied by an original retail dealer s invoice Any product deemed eligible for repair or replace ment by SM Pro Audio under the terms of this warranty will be repaired or replaced in the best possible manner 8 4 2 If the product needs to be modified or adapted in order to comply with applicable technical or safety standards on a national or local level in any country which is not the country for which the product was originally developed and manu factured this modification adaptation shall not be considered a defect in materials or workmanship The warranty does not cover any such modification adaptation irrespective of whether it was carried out properly or not Under the terms of this warranty SM Pro Audio shall not be held responsible for any cost resulting from such a modification adaptation 8 4 3 Free inspections maintenance repair work and replacement of parts are expressly excluded from this warranty in particular if caused by inappropriate use Likewise the warranty does not cover defects of expendable parts caused by normal wear of the product Expendable parts are typically pots potentiometers switches and similar components
6. country in which it will be use before switching the device ON Grounding and Polarization Precautions should be taken so that the grounding or polarization means of an ap pliance is not defeated Power Cord Protection Power supply cords should be routed so that they are not likely to be walked on pinched damaged worn or rubbed by any other device or obstacle Cleaning The appliance should be cleaned only with a light soft cloth Do not use any dama ging or corrosive products on the unit Periods of inactivity The power cord of the appliance should be unplugged from the outlet when left un used for a long period of time or in case a lightning storm occurs Damage Requiring Service The appliance should be serviced by qualified service personnel when e The power supply cord or the plug has been damaged or e Objects have fallen or liquid has been spilled into the appliance or e The appliance has been exposed to rain or e The appliance does not appear to operate normally or exhibits a marked change in performance or e The appliance has been dropped or the enclosure damaged Servicing The user should not attempt to service the appliance beyond that is described in the Operating Instructions All other servicing should be referred to qualified service personnel FOREWORD Dear Customer Thank you very much for expressing your confidence in SM ProAudio products by purchasing this unit The M Patch 2 has be
7. en designed to be used as a standard tool for home pro studios P A rental companies Schools and in many other situ ations where audio products would be used With much experience in the audio industry over a long period of time and along with valuable suggestions from our customers our engineers have developed a product we know you will be satisfied with We guarantee you uncompromising quality as well as excellent technical and audio properties at an extremely affordable price Regards SM ProAudio It should be pointed out that extreme output volumes may damage your ears and or your headphone units Turn down the LEVEL controls before you switch on the unit PLACEMENT The SM ProAudio M Patch 2 has an electronic circuit inside as well as isolation transformers Be sure that there is enough air space around the unit for cooling As to avoid overheating please do not place the units on high temperature devices such as power amplifiers or near other units which may have high frequency trans mittance such as wireless devices MAINS VOLTAGE The M Patch 2 can be used with voltages ranging from 100V AC to 250V AG please make sure that you have selected the correct voltage range on the supplied power supply before switching the unit ON Any damage occurring as a result of incorrect voltage selection may not be granted a warranty repair M PATCH 2 MAIN FEATURES Professional multi purpose passive volume attenuator with built in headpho
8. ired For example connect the outputs of your audio interface eg Digidesign MBox 2 to the balanced combo connectors and your soundcards mini jack output to the stereo 3 5mm AUX input on the M Patch 2 You could also connect your CD or other line level device to the AUX RCA inputs This enables you to level balance two input sources by passive attenuation 2 Connect XLR cables from the outputs of the M Patch 2 to your active monitors or the amplifier that powers the monitors Remember you have two 2 output destina tions so if you have two different monitor pairs near field amp far field room speakers you can connect one pair to output 1 L amp R and the other pair to output 2 L amp R 3 Turn the volume all the way up on your monitors or amplifier set your software amp software volume control panel to Zero dB and use the M Patch 2 on your desktop to control your monitor level Simple effective transparent 10 7 SPEGIFIGATIONS AUDIO INPUTS Connectors 2x XLR Combo connectors e 1 x stereo RCA pair L amp R e 1x stereo 3 5mm jack AUDIO OUTPUTS Output Connectors 2x XLR output pairs A L amp R B L amp R HEADPHONE OUTPUT Output Connectors e 1x 14 TRS stereo output Frequency response e 20Hz 20Hz 0 5dB Maximum output level e 320mW into 32Q POWER External e DC12 16V adaptor PHYSICAL Dimensions e 22cm x 12cm x 8 6 cm Net weight e approx 1 kg 8 WARRANTY 8 1 Warranty Card To be protec
9. k mountable support options Desktop mount configuration For desktop angled mounting simply connect the included rack stand mounting ears in an upright manner to each side of the M Patch 2 using the included screws Multiple screw positions are available on each side of the M patch 2 which allow a user defined selection of up to six 6 different angled positions Screw the included rubber feet stoppers onto the bottom of the rack ears as to provide stability to the M Patch 2 in addition to protecting your desktop Note Please take into consideration your particular setup and cable arrangement when deciding on mounting your M Patch with the highest degree of angle in relati on to your desktop surface You will need to ensure that you have enough space to connect your cables Rack mount configuration If you would like to rack mount the M Patch 2 simply connect the supplied rack stand ears to each side of the M Patch 2 using the included screws This allows you to rack mount the unit in a standard 19 professional rack Output ponc WARNING TO REDUCE THE RISK OF FIRE OR ste K ELECTRONIC SHOCK DO NOT EXPOSE w we THIS EQUIPMENT TO RAIN OR MOISTURE 2 e e o pi z ACN076791654 Model SERIAL M Patch2 z Input ___ Power DC 12 16V 1 4 CONNECTIONS The M Patch 2 features two 2 separate input channels named Aux amp Stereo The connections are found on the rear panel
10. led will illuminate when the system is in a current muted state of operation 5 5 Mono Stereo Summing Switch The mono stereo summing switch on the front panel of the M Patch 2 al lows you to sum a stereo signal to a mono signal This can be very handy when testing your audio for certain issues like phase cancellation prepara tion for AM radio etc Select the desired mode of operation by positioning the mono stereo switch in the up or down position 5 6 Headphone amplifier and output connector A headphone amplifier is provided for monitoring the audio signal selected by the Input Selection control switches Simply connect a pair of headphones to the 1 4 TRS headphone connector socket and use the rotary headphone volume control knob to adjust the volume level to your desired setting Note Use of the headphone amplifier requires the connection of the external power Supply STEREO VOLUME 20 AUX VOLUME i VA tl STEREO OM MONO INPUT SELECTION MUTE 4 5 6 3 7 z V O WLSTEREO AUX am ON VOLUME HEADPHONE 6 APPLICATION Soundcard CD player MP3 player 6 1 Using the M Patch 2 outputs You can use M Patch 2 anywhe 33 re you want to trim the amount of 22 gain ie reduce the volume of ana log audio signals For example you could use one to trim the out put of a microphone pre amplifier y With its high quality potentiometer i the M Patch 2 passes signal more A A acc
11. ne amplifier High quality passive volume attenuator Great monitor switching device 2 x Input channels 2 x Output channels Combo RCA amp 3 5mm input connectors XLR outputs balanced or unbalanced depends on the inputs selected Mono Stereo summing switch System mute function Built in headphone amplifier Quality components and rugged construction Desktop or Rack mountable installation External 16Vac power supply Supplied Only required for operation of headphone amplifier 1 INTRODUCTION In purchasing the new M Patch 2 you have acquired a passive volume control de vice of high class that meets the demands of the home pro studio An affordable high quality problem solver for mixer less DAW and nonlinear video production environments the M Patch 2 provides an ideal desktop stereo level con trol solution for any monitoring or distributed sound application The M Patch 2 is essentially a multi channel stereo attenuator using passive cir cuitry designed for users wishing to work without outboard mixers or bit degrading digital volume attenuators The M Patch 2 provides stereo level control solutions for any monitor or distributed sound application Featuring two rotary controls for precise two x stereo channel level adjustments and housed in a compact desktop or rack mountable sized chassis the M Patch 2 passive volume control and patch control device is perfectly suited to serve in any common capacity in which more contr
12. need the attenuated output signal sent Note It is possible to activate or deactivate each desired output pair via the out put selector switches on the front panel It is possible to have both 1 amp 2 outputs active at the same time This is very useful when connecting the outputs to a re cording device and a monitoring device simultaneously San 4 4 Power Connection Serer Power to the M Patch 2 is required only if you wish to use the headpho ne amplifier or view the illuminated led indicator lamps The included power supply can be connected from mains power to the power connector socket located on the rear panel of the M Patch 2 The Blue led on the front panel next to the mono stereo control switch will illumi nate when the external power supply is connected and mains power is present Note All passive attenuation functions operate fully without the connection of the power supply This enables full portable use of the M Patch 2 without restriction 5 FRONT PANEL CONTROLS eee 5 1 Stereo Aux input selection control EE The input selection controls on the front panel of the M Patch 2 allow selection of either Stereo or Aux input source material to be routed to the output pairs for immediate listening and attenuation control JL STEREO de AUX Select the stereo position to activate the main stereo input source connected to the XLR combo inputs or select Aux position to activate the RCA and 3 5mm
13. ol over volume is desired From desktop media suites mixer less DAW and MIDI systems professional multi channel installations distributed sound systems or any other audio and video post production environments the M Patch 2 adds high quality zone and or channel control wherever it s needed 2 THE DESIGN CONCEPT 2 1 High quality components and design The philosophy behind SM ProAudio products guarantees a no compromise circuit design and employs the best choice of components 2 2 Inputs and outputs All inputs and outputs are secured firmly to the exterior chassis housing This ensu res robust quality and confidence in performance under all conditions 3 INSTALLATION Your SM Pro Audio M Patch 2 was carefully packed in the factory and the packaging was designed to protect the unit from rough handling Nevertheless we recommend that you carefully examine the packaging and its contents for any signs of physical damage which may have occurred in transit If the unit is damaged please do not return it to us but notify your dealer and the shipping company immediately otherwise claims for damage or replacement may not be granted Shipping claims must be made by the consignee 3 1 Desktop or Rack mount installation The SM Pro Audio M Patch 2 s compact size enables it to sit comfortably on your desktop We also include a versatile pair of rack stand mounting ears which enable both desktop stand mounting and standard 19 professional rac
14. t The information contained in this manual is subject to change without notice No part of this manual may be reproduced or transmitted in any form or by any means electronic or mechanical including photocopying and recording of any kind for any purpose without the express written permission of SM Pro Audio ALL RIGHTS RESERVED 2012 SM Pro Audio SM Pro Audio Service Department W25 26 28 Roberna St Moorabbin Melbourne Victoria Australia 3189 le
15. ted by this warranty the buyer must complete and return the enc losed warranty card signed stamped by retail dealer within 14 days of the date of purchase to SM Pro Audio see address below 3 Failure to return the card in due time date as per postmark will void any extended warranty claims 8 2 Warranty 8 2 1 SM ProAudio warrants the mechanical and electronic components of this product to be free of defects in material and workmanship for a period of one 3 years from the original date of purchase in accordance with the warranty regulati ons described below If any defects occur within the specified warranty period that are not caused by normal wear or inappropriate use SM Pro Audio shall at its sole discretion either repair or replace the product 8 2 2 If the warranty claim proves to be justified the product will be returned freight prepaid by SM Pro Audio within Australia Outside of Australia the product will be returned at the buyer s expense 8 2 3 Warranty claims other than those indicated above are expressly excluded 8 3 Return Authorization Number 8 3 1 To obtain warranty service the buyer must call SM Pro Audio during normal business hours BEFORE returning the product Tel 61 3 9555 8081 All inqui ries must be accompanied by a description of the problem SM ProAudio will then issue a return authorization number or by email to service smproaudio com 8 3 2 The product must be returned in its original shipping c
16. urately and sounds better than g p v most built in volume controls Ano _ 2 v v 2 ther use might be to trim the levels A A A A of a 5 1 or greater multi channel 2 monitor system either one pair ren et ae of channels or two or all of them You can also use the M Patch 2 to trim the output level of a Digital to How to connect the M Patch 2 Analog Converter like those found in high end pre amplifiers It is also useful as a local volume control for distributed audio systems The possibilities are endless Handy applications The M Patch 2 is great for those times when you prefer to monitor directly from the outs on your sound card or audio interfaces main outputs directly to your monitors When your monitors are on they are normally extremely loud As a result you may become a bit frustrated as the volume is often simply too high to be comfortable Your only choice is to hook up through an external mixer and attenuate the signal or to attenuate the signal in the computer outputs thereby degrading your bit levels Neither solution is completely satisfying Mixers add color to the signal and reducing the digital output in the computer will compromise the fidelity of your audio Simple steps for your home workstation 1 Typically you should connect the output of your soundcard or audio interface to the input of the M Patch 2 using RCA TRS or XLR jacks You could also connect multiple connections at the same time if requ
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