Meyer Sound UPJunior UltraCompact VariO, Operating Instructions Manual

Page 1: ...Keep these important operating instructions Check www meyersound com for updates OPERATING INSTRUCTIONS ULTRASERIES UPJunior UltraCompact VariO Loudspeaker ...

Page 2: ...msec half sine on each of 6 sides Vibration 10 55 Hz 0 010 m peak to peak excursion 2007 Meyer Sound All rights reserved UPJunior UltraCompact VariO Loudspeaker Operating Instructions The contents of this manual are furnished for informational purposes only are subject to change without notice and should not be con strued as a commitment by Meyer Sound Laboratories Inc Meyer Sound assumes no respo...

Page 3: ...use attachments accessories specified by Meyer Sound 12 Use only with the caster rails or rigging specified by Meyer Sound or sold with the loudspeaker Handles are for carrying only CAUTION Rigging should only be done by experienced professionals 13 Unplug this loudspeaker during lightning storms or when unused for long periods of time 14 Refer all servicing to qualified service personnel Servic i...

Page 4: ...eines elektrischen Schlages auf ein Minimum zu reduzieren den Lautsprecher vom Stromnetz trennen bevor ggf ein Audio Schnittstellensignalkabel ange schlossen wird Das Netzkabel erst nach Herstellung aller Signalverbindun gen wieder einstecken Der Lautsprecher an eine geerdete zweipolige Dreiphasen Netzsteckdose anschließen Die Steckdose muß mit einem geeigneten Abzweigschutz Sicherung oder Leistun...

Page 5: ...iver 18 Galileo Loudspeaker Management System 18 Using Digital Signal Processors 18 Chapter 5 The VariO Horn 21 Rotating the VariO Horn 21 Chapter 6 QuickFly Rigging 23 Basic Eyebolt Rigging 23 Pole Mounting the UPJunior 24 The MUB UPJunior U Bracket 24 The MYA UPJunior Mounting Yoke 26 The MAAM UPJunior Array Adapter 27 Chapter 7 The RMS Remote Monitoring System 31 The RMS Software 31 The RMS Mod...

Page 6: ...CONTENTS vi ...

Page 7: ...he UPJunior produces a robust peak power output of 126 dB SPL at 1 meter making it suit able for use as either a primary loudspeaker in small rooms or as a fill delay effects or under balcony loudspeaker in small to medium sized distributed systems The UPJunior s low frequency section employs an 8 inch neodymium magnet cone driver while the high frequency section uses a proprietary 0 75 inch exit ...

Page 8: ...DUCTION 8 UPJunior with MYA UPJunior Mounting Yoke UPJunior Pole Mounted with Third Party Pole Adapter UPJuniors with MAAM UPJunior Array Adapters and Eyebolts UPJunior Array with MUB UPJunior U Bracket Truss Mounted ...

Page 9: ...n eight at 230 V nine total for the circuit The AC Loop Output Connector Gray The gray AC Loop Output connector allows multiple UPJun iors to be looped and powered from a single power source Connect the AC Loop Output of the first UPJunior to the AC Input of the second UPJunior and so forth The AC Loop Output uses a PowerCon3 AC mains locking connector that prevents accidental disconnections The m...

Page 10: ...t AC also suppresses high voltage transients up to sev eral kilovolts filters common mode and differential mode radio frequencies EMI and sustains operation temporarily during low voltage periods When powering up the UPJunior the following startup events take place over several seconds 1 Audio output is muted 2 Voltage is detected and the power supply mode is auto matically adjusted as necessary 3...

Page 11: ...nd lifting adapter or cut the AC cable ground pin Keep all liquids away from the UPJunior to avoid hazards from electrical shock Do not operate the unit if the power cables are frayed or broken Do not exceed the current capability of the UPJunior s 20 amp AC Input connector When looping loudspeak ers consider the total current draw for all loudspeakers on the circuit including the first loudspeake...

Page 12: ...CHAPTER 2 POWER REQUIREMENTS 12 ...

Page 13: ...al signal Pin 1 is connected to earth through a 220 kOhm 1000 pF 15 V clamped network This circuitry provides virtual ground lift for audio frequencies while allowing unwanted signals to bleed to ground Make sure to use standard balanced XLR audio cables with all three pins connected on both ends Telescopic grounding is not recommended and shorting an input connector pin to the case may cause a gr...

Page 14: ...ad to damage over time CAUTION The Limit LEDs indicate when a safe optimum level is exceeded If a UPJunior begins to limit before reaching the required SPL con sider adding more loudspeakers to the system NOTE The UPJunior uses optical limiters that add no noise and have no effect on the signal when the limiters are not engaged and the Limit LEDs are not lit On Temp LED When the UPJunior is initia...

Page 15: ...ive pressure wave when a positive signal is applied to pin 2 When the switch is in the down position pin 3 is hot relative to pin 2 result ing in a positive pressure wave when a positive signal is applied to pin 3 Attenuator Knob The Attenuator knob reduces the source signal level con nected to the Input connector The knob offers an attenua tion range of 0 dB no attenuation when turned all the way...

Page 16: ...CHAPTER 3 AMPLIFICATION AND AUDIO 16 ...

Page 17: ...BY DAISY CHAINING When UPJunior loudspeakers and subwoofers are daisy chained using the Loop connector the result is a fairly flat frequency response However the response will show a rise in the 60 200 Hz range where the loudspeakers response overlaps at certain ratios see Table 1 To add a subwoofer by daisy chaining 1 Daisy chain the suggested number of UPJuniors for your subwoofer see Table 1 Co...

Page 18: ...apart the polarities may need to be reversed again to compen sate for delay propagation In these cases a measure ment system like Meyer Sound s SIM 3 is recommended to determine appropriate delay and polarity settings GALILEO LOUDSPEAKER MANAGEMENT SYSTEM Meyer Sound s Galileo loudspeaker management system is a comprehensive solution for driving and aligning loud speaker systems especially those c...

Page 19: ...e set to Butterworth Q 7 If loudspeakers will be driven directly from a digital signal processor make sure the signal is sufficient to drive the total load impedance of the connected loudspeakers see Loop Connector on page 13 TIP To address the collective concerns of array design subwoofer integration digital signal processors delay systems and acoustical condi tions a measurement system like Meye...

Page 20: ...CHAPTER 4 ADDING SUBWOOFERS TO A UPJUNIOR SYSTEM 20 ...

Page 21: ...crews from the grille cover two from the top and two from the bottom 2 Carefully remove the grille cover 3 Remove the four 10 32 x 1 flange screws from the horn 4 Carefully remove the horn from the cabinet making sure not to place any stress on its wiring 5 Rotate the horn 90º clockwise so its orientation is 80º x 50º with the horn s wide flange situated near the sides of the cabinet instead of th...

Page 22: ...CHAPTER 5 THE VARIO HORN 22 ...

Page 23: ...building s structural components studs or joists and not just to the wall surface Verify that the building s structure and the anchors used for the installation will safely support the total weight of the mounted loudspeakers Use mounting hardware appropriate for the surface where the loudspeaker will be installed Make sure bolts and eyebolts are tightened securely Meyer Sound recommends using Loc...

Page 24: ...oud speaker s top and bottom plates When flying an array of UPJuniors from the MUB UPJunior U bracket the bracket should be fastened to the holes toward the rear of the loudspeaker plates to compen sate for the shift in center of gravity MUB UPJunior U Bracket Load Ratings for Flown UPJuniors An array of up to three UPJuniors can be flown with the MUB UPJunior U bracket at a 7 1 safety factor When...

Page 25: ...in the array is attached to the MUB UPJunior U bracket and the U bracket is attached to the truss with two C or G hanging clamps not included NOTE When flying an array of UPJuniors from the MUB UPJunior U bracket the bracket should be fastened to the holes near the rear of the loudspeaker plates to compensate for the shift in center of gravity In addition shackles can be attached to the array adap...

Page 26: ... the third party pole and pole adapter have been rated to support the total weight of the loud speakers Observe all safety precautions specified by the manufacturers THE MYA UPJUNIOR MOUNTING YOKE The MYA UPJunior mounting yoke suspends a single UPJunior loudspeaker and allows a wide range of horizontal and vertical adjustment The mounting yoke s bottom bar attaches to the bottom plate of the UPJu...

Page 27: ...plates to the top and bottom plates of the UPJuniors and securing them with the included M8 screws and washers The MAAM UPJunior array adapter can also be used to position a UPJunior as a floor monitor with adjustable angles When positioning the UPJunior as a floor monitor the array adapter plates attach to the UPJunior with the included M8 knobs CAUTION The MAAM UPJunior array adapt ers support a...

Page 28: ... Arrays with the MAAM UPJunior Vertical arrays with the MAAM UPJunior array adapter can be flown by attaching eyebolts to the UPJunior plates or directly to the array adapter plates Shackles can also be attached to the adapter plate s rear pickup holes for addi tional support or to provide control over the vertical tilt Vertical arrays of up to three UPJuniors with the MAAM UPJunior array adapter ...

Page 29: ...ay result in holes in the coverage Floor Monitoring with the MAAM UPJunior The MAAM UPJunior array adapter can be used for posi tioning the UPJunior as a floor monitor with the front adjust ment slot being used to adjust the angle of the loudspeaker The following illustrations show the stowed position for when the UPJunior is not in use Figure 2 as well as some of the more common angle configurati...

Page 30: ...CHAPTER 6 QUICKFLY RIGGING 30 ...

Page 31: ...atabase on the host computer The RMS state for each loudspeaker is retained on its RMS module The RMS software displays all loudspeakers on the network in a panel with icons Meter views and Text views that can be customized to suit your needs Loudspeaker data is updated 2 5 times per second Individual loudspeakers can be physically identified with the Wink option in RMS which lights the Wink LED o...

Page 32: ...l is sent from the RMS software by clicking the Wink button on the loud speaker s icon or on its Text view This is useful for identify ing the physical loudspeaker corresponding to a loudspeaker icon in the RMS software Reset Button Pressing the Reset button causes the RMS module s firm ware to reboot this will not affect whether the loudspeaker is commissioned which is stored in flash memory When...

Page 33: ...o the accuracy of MAPP Online Pro s predictions is its exhaustive database of Meyer Sound loudspeaker mea surements Performance predictions for each loudspeaker are based on 360 1 48th octave band measurements taken with a SIM audio analyzer in the Meyer Sound anechoic chamber The extraordinary consistency between Meyer Sound loudspeakers guarantees that predictions from MAPP Online Pro will close...

Page 34: ...ise corrections to bal ance system response using frequency and phase domain information Source Independent Measurement Technique The SIM 3 audio analyzer implements Meyer Sound s source independent measurement technique a dual channel method that accommodates statistically unpredictable exci tation signals Any excitation signal within a desired fre quency range can be used to obtain highly accura...

Page 35: ...rain hood 1 Attach any required cables to the UPJunior and then ori ent the loudspeaker vertically 2 Remove the eight screws from the back sides of the UPJunior 3 Carefully fit the rain hood over the UPJunior rear panel so the screw holes are aligned 4 Insert the previously removed eight screws and tighten them INSTALLING THE HORIZONTAL RAIN HOOD To install the UPJunior horizontal rain hood 1 Atta...

Page 36: ...APPENDIX A INSTALLING THE OPTIONAL RAIN HOODS 36 ...

Page 37: ...LR Input connector Connect the audio source to another loudspeaker to ver ify the signal and that it is within the proper range Turn the source level down before reconnecting the audio source and increase the level slowly to avoid a sudden blast of sound Hum or noise can be produced by a ground loop Since the UPJunior is effectively ground lifted the loop may be broken elsewhere in the system The ...

Page 38: ...her loudspeaker to ver ify the signal is full range Turn the source level down before reconnecting the audio source and increase the level slowly to avoid a sudden blast of sound Use a sine wave or pink noise generator to send a variety of frequencies to the loudspeaker ...

Page 39: ...d noise signal having a 6 dB peak average ratio High Frequency One 2 compression driver Nominal impedance 12 Ω Voice coil size 2 Diaphragm size 2 Exit size 0 75 Power handling capability 100 W AES Note Power handling measured using AES standards transducer driven continuously for two hours with band limited noise signal having a 6 dB peak average ratio Note High frequency driver is coupled to an 8...

Page 40: ...on with looping output Voltage Selection Automatic Safety Agency Rated Operating Voltage 100 240 V AC 50 60 Hz Turn On Turn Off Points 90 264 V AC 50 60 Hz Note No automatic turn off voltages Voltages above 265 V AC are fuse protected but may cause permanent damage to the power supply Voltages below 90 V AC may result in intermittent operation Current Draw Idle Current 0 448 A rms 115 V AC 0 285 A...

Page 41: ...UPJUNIOR OPERATING INSTRUCTIONS 41 UPJunior Dimensions ...

Page 42: ...APPENDIX C UPJUNIOR SPECIFICATIONS 42 ...

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Page 44: ...Meyer Sound Laboratories Inc 2832 San Pablo Avenue Berkeley CA 94702 www meyersound com T 1 510 486 1166 F 1 510 486 8356 2007 Meyer Sound Laboratories Inc 05 173 005 01 A ...