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Extron electronics MPA 152, User Manual

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Extron electronics MPA 152 User Manual Download Page 11

-0!!MPLIlERs)NTRODUCTION

 

1-3

MPA 152 Features

Class D digital audio amplifier

ˆ&ORHIGHEFlCIENCYANDLESS

HEATPRODUCTION

Ripple Steering technology —

0RODUCESCLEANERLOWEMISSION

AUDIOOUTPUTSIGNALS

Fixed switching frequency —

3WITCHESATAFREQUENCYBELOWTHE

!-BANDWHICHREDUCESTHECHANCEOFRADIOINTERFERENCE

Three audio inputs —

!CCEPTSBALANCEDUNBALANCEDINPUT

PAIRCAPTIVESCREW ANDUNBALANCEDPAIRS2#!AND

423 PROVIDINGUPTOTHREERIGHTANDTHREELEFTCHANNEL

INPUTS!LLTHREERIGHTINPUTSAREMIXEDTOPRODUCEA

SINGLERIGHTOUTPUTALLTHREELEFTOUTPUTSAREMIXEDTO

PRODUCEASINGLELEFTOUTPUT

Stereo/Dual Mono toggle switch —

!LLOWSTHEUSERTOCHOOSE

BETWEENSTEREOOUTPUTORTOSUMTHELEFTANDRIGHTOUTPUTS

ANDPRODUCEDUALMONOOUTPUTS

Up to 15 watts (rms)/channel stereo output — 

$ELIVERSUPTO

WATTSRMS CHANNELSTEREOORDUALMONOINTOAOHM

SPEAKERSYSTEMORUPTOWATTSRMS CHANNELINTOAN

OHMSYSTEM

Front panel controls

ˆ)NPUTLEVELBASSANDTREBLEAREEASILY

ADJUSTEDFROMTHEFRONTPANEL

Quick-plug speaker outputs

ˆ3PEAKEROUTPUTISONACAPTIVE

SCREWCONNECTORFORQUICKINSTALLATION

Volume and mute remote control

ˆ!REARPANELTHREEPIN

CAPTIVESCREWREMOTEINPUTCONNECTORALLOWSREMOTE

ADJUSTMENTOFVOLUMEANDMUTING

Always-on clip limiting

ˆ2EDUCESGAINAUTOMATICALLYTO

PREVENTAMPLIlERCLIPPING

Compact size

ˆ4HEAMPLIlERSAREHOUSEDINA5HIGHQUARTER

RACKDEEPMETALENCLOSUREWHICHOFFERSmEXIBLE

MOUNTINGOPTIONS

UL 2043 plenum rated

ˆ4HE-0!MEETS5,

REQUIREMENTSFORHEATANDSMOKERELEASEANDISSUITABLE

FORINTHECEILINGINSTALLATIONSALLOWINGTHEUNITTOBE

STOREDOUTOFSIGHTWITHREDUCEDRISKOFTHEFT

C

 

Although the amplifier is plenum rated, the power 

supply provided with it is not.  The power supply 

must not be placed in the plenum space.  All cables 

connected to the amplifier must be plenum rated.

Summary of Contents for MPA 152

Page 1: ...User s Manual Mini Power Amplifier 68 1320 01 Rev A 02 09 MPA 152...

Page 2: ...utzerdaraufaufmerksam machen da im Inneren des Geh uses dieses Produktesgef hrlicheSpannungen dienichtisoliert sind und die einen elektrischen Schock verursachen k nnen herrschen CHTUNG Lesen der Anle...

Page 3: ...E INTERFERENCE WILL NOT OCCUR IN A PARTICULAR INSTALLATION F THIS EQUIPMENT DOES CAUSE HARMFUL INTERFERENCE TO RADIO OR TELEVISION RECEPTION WHICH CAN BE DETERMINED BY TURNING THE EQUIPMENT OFF AND ON...

Page 4: ...OUTLET CONSULT AN ELECTRICIAN FOR REPLACEMENT OF THE OBSOLETE OUTLET 0ROTECT THE POWER CORD FROM BEING WALKED ON OR PINCHED PARTICULARLY AT PLUGS CONVENIENCE RECEPTACLES AND THE POINT WHERE THEY EXIT...

Page 5: ...FROM THE AUDIO SOURCE AND OR PROJECTOR NSURE THAT THE PROJECTOR S AUDIO OUTPUT IS SET TO variable out ULTIPLE INPUT OPTIONS CAN BE USED SIMULTANEOUSLY AND RESULT IN AUDIO MIXING SEE Audio Inputs IN HA...

Page 6: ...NO SOUND SHOULD COME OUT c 2ETURN TO THE 0 AND RAISE THE LEVEL UNTIL SOUND DISTORTION lRST OCCURS THEN LOWER SLIGHTLY UNTIL THE DISTORTION DISAPPEARS 4HIS SETTING ENSURES THAT WHATEVER THE PROJECTOR V...

Page 7: ...PROCEDURES 2 3 4ABLETOP PLACEMENT 2 3 0ROJECTOR MOUNTING 2 4 0LENUM PLACEMENT 2 5 5NDER FURNITURE MOUNTING 2 6 MPA RONT 0ANEL EATURES 2 8 0 2EAR 0ANEL EATURES 2 9 0OWER CONNECTOR 2 10 UDIO INPUTS 2 11...

Page 8: ...ii 0 MPLIlER s 4ABLE OF ONTENTS Table of Contents cont d...

Page 9: ...MPA 152 Amplifier 1 Chapter One Introduction About this Manual About the MPA 152 MPA 152 Features...

Page 10: ...SMOKE AND lRE CODE FOR IN THE CEILING INSTALLATIONS AND CAN BE STORED IN THE PLENUM SPACE OF THE ROOF LTERNATIVELY THE UNITS CAN BE MOUNTED ON A TABLETOP IN A RACK UNDER A DESK OR IN A PROJECTOR MOUN...

Page 11: ...ANNEL STEREO OR DUAL MONO INTO A OHM SPEAKER SYSTEM OR UP TO WATTS RMS CHANNEL INTO AN OHM SYSTEM Front panel controls NPUT LEVEL BASS AND TREBLE ARE EASILY ADJUSTED FROM THE FRONT PANEL Quick plug sp...

Page 12: ...0 MPLIlER s NTRODUCTION Introduction cont d 1 4...

Page 13: ...MPA 152 Amplifier 2 Chapter Two Installation Mounting the MPA 152 MPA 152 Front Panel Features MPA 152 Rear Panel Features...

Page 14: ...AMBIENT TEMPERATURE OF THE RACK ENVIRONMENT MAY BE GREATER THAN ROOM AMBIENT TEMPERATURE 4HEREFORE INSTALL THE EQUIPMENT IN AN ENVIRONMENT COMPATIBLE WITH THE MAXIMUM AMBIENT TEMPERATURE 4MA SPECIlED...

Page 15: ...TOM OF THE UNIT 2 3ECURE THE 0 TO THE SHELF WITH TWO X SCREWS IN OPPOSITE CORNERS OF THE BASE SEE lGURE BELOW 3 NSTALL FALSE FACEPLATE S OR OTHER UNIT S TO THE RACK SHELF 4 TTACH THE SHELF TO THE RACK...

Page 16: ...RUBBER FEET FROM THE BOTTOM OF THE 0 2 OUNT THE RECEIVER TO ANY OF THE BRACKETgS THREE MOUNTING PLATES 4HE UNIT SHOULD BE VERTICALLY MOUNTED WITH THE REAR PANEL HOUSING THE INPUT AND OUTPUT CONNECTORS...

Page 17: ...OUND THE PROJECTOR POLE AND INSERT THE TWO ENDS THROUGH THE SLOTTED HOLES IN THE CLAMPING PLATE AND THEN THROUGH THE ROUND HOLES IN THE BACKING BRACE N The provided U bolt fits a pole with an external...

Page 18: ...LOCATION OF THE SCREW HOLES OF THE BRACKET ON THE MOUNTING SURFACE 3 RILL MM DIAMETER PILOT HOLES MM DEEP IN THE MOUNTING SURFACE AT THE MARKED LOCATIONS 4 NSERT WOOD SCREWS INTO THE FOUR PILOT HOLES...

Page 19: ...0 MPLIlER s NSTALLATION 2 7...

Page 20: ...52 STEREO DUAL MONO 3 2 Figure 2 4 MPA 152 Front Panel Features a Power LED 4HE GREEN IS LIT WHEN THE UNIT RECEIVES POWER b Stereo Dual Mono toggle switch LLOWS THE USER TO CHOOSE BETWEEN STEREO OUTPU...

Page 21: ...PLY TO THE AMPLIlER USING THE POLE CAPTIVE SCREW CONNECTOR e RCA input connectors 4HESE FEMALE 2 CONNECTORS ACCEPT LINE LEVEL MONO OR STEREO AUDIO SOURCES f 3 5 mm stereo input 4HIS INPUT ACCEPTS A MM...

Page 22: ...mooth A A DC Power Cord Captive Screw Connector AC Power Cord Ground 12 VDC External Power Supply 12 VDC 3 A POWER 12V 3A MAX Figure 2 6 Connecting power N The length of the exposed wires in the strip...

Page 23: ...stripping process is critical The ideal length is 3 16 5 mm Any longer and the exposed wires may touch causing a short circuit between them Any shorter and the wires can be easily pulled out even if t...

Page 24: ...n them Any shorter and the wires can be easily pulled out even if tightly fastened by the captive screws C Do not tin the wires Tinned wire does not hold its shape and can become loose over time 7IRE...

Page 25: ...ound may begin to be heard even if the levels have been set to their lowest The muting of the output however can be remedied with a contact closure button attached between the Vol Mute and Ground pin...

Page 26: ...HT AND LEFT CHANNELS WILL BE MIXED AND SUMMED FOR A DUAL MONO OUTPUT 7ITH AN OHM LOAD THE AMPLIlER PRODUCES UP TO WATTS CHANNEL 7ITH A OHM LOAD THE AMPLIlER PRODUCES UP TO WATTS PER CHANNEL C Do not s...

Page 27: ...MPA 152 Amplifier 3 Chapter Three Operation Setting up the MPA 152 Amplifier Remote Control Options...

Page 28: ...ORTION DISAPPEARS 4HIS SETTING WILL ENSURE THAT WHATEVER THE VOLUME SETTING OF THE AUDIO SOURCE NO CLIPPING WILL OCCUR Setting bass and treble DJUST THE 0 BASS AND TREBLE AS FOLLOWS 1 5SE THE BASS POT...

Page 29: ...rol Options a Using the projector s IR remote OR A PROJECTOR WITH VARIABLE AUDIO OUTPUTS CONNECT THE PROJECTOR AUDIO OUTPUT TO THE 0 AUDIO INPUT 5SE THE PROJECTORgS 2 REMOTE TO CONTROL THE PROJECTORgS...

Page 30: ...0 MPLIlER s PERATION Operation cont d 3 4...

Page 31: ...MPA 152 Amplifier A Appendix A Reference Information Specifications Included Parts Accessories...

Page 32: ...4HE THREE INPUTS ARE INDIVIDUALLY BUFFERED AND MIXED TOGETHER ONNECTORS MM CAPTIVE SCREW CONNECTOR POLE MAIN INPUT MM MINI AUDIO JACK TIP RING SLEEVE PAIR 2 MPEDANCE K OHMS BALANCED UNBALANCED COUPLED...

Page 33: ...VARIABLE VOLTAGE 0IN 6OLUME CONTROL VOLTAGE RANGE 6 MUTE TO 6 MAXIMUM VOLUME General XTERNAL POWER SUPPLY 6 TO 6 Z EXTERNAL TO 6 MAX REGULATED 0OWER INPUT REQUIREMENT 6 UP TO 4EMPERATURE HUMIDITY 3TO...

Page 34: ...IN PLENUM AIRSPACES MEETS 5 FOR HEAT AND SMOKE RELEASE EXCLUDING THE POWER SUPPLY MEETS 5 FOR SAFETY TICK LASS 3 6 4 HOURS 7ARRANTY YEARS PARTS AND LABOR N All nominal levels are at 10 N Specification...

Page 35: ...0 0ROJECTOR MOUNTING KIT 23 DEEP 5 BASIC RACK SHELF 23 DEEP 5 RACK SHELF KIT 23 DEEP 5 BASIC RACK SHELF 235 DEEP 5 RACK SHELF KIT 23 DEEP 5 BASIC RACK SHELF 235 DEEP 5 RACK SHELF KIT 6 6OLUME CONTROL...

Page 36: ...0 MPLIlER s 2EFERENCE NFORMATION Reference Information cont d A 6...

Page 37: ...DOES NOT APPLY IF THE FAULT HAS BEEN CAUSED BY MISUSE IMPROPER handling care electrical or mechanical abuse abnormal operating conditions or non Extron authorized modification to the product If it ha...

Page 38: ...FAX Extron Europe 800 3987 6673 Inside Europe Only 31 33 453 4040 31 33 453 4050 FAX Extron Asia 800 7339 8766 Inside Asia Only 65 6383 4400 65 6383 4664 FAX Extron Japan 81 3 3511 7655 81 3 3511 765...

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