DSPPA MP-220PII User manual

1
PASYSTEM
ClassroomBroadcastAmplifier MP-220PII
OWNER SMANUAL
Beforeoperating, pleasereadthismanualcarefully.
FEATURES
lMinivolume, microphonecanbeputinside, suitforthelittlebroadcastoccasion.
lCanbehangingup onthewall;theturnovercoveriswithalockthatsuitfortheclassroom.
lForcedinsertion,
l2MICinputs, 2auxinputs.
l100Vpowersignalinput, withpriority.
lIndividualchannelandvolumecontrolled.
lAlarmcircuitrypreventspotentialdamagefromoverheating, short-circuit.

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FrontPanel (Turnover cover)
1. Sparemicrophone2. Powerindicator3. Woof-regulate
4. LEDdisplay,5. Alt-regulate6. VolumecontrolofMic.1
7. VolumecontrolofMic.28. Volumecontrolofinput9. VolumecontrolofAux.1
10. VolumecontrolofAux.211.Powerswitch
REAR and SIDE PANEL
1. Nail hole2. Fuse3. 24VSwitchpowerinput
4. Jackofspeaker5. AC220Vcable6. 100Vsignalinput
7. Mic.1/2inputjack8. Aux.1/2inputjack
CONNECTION FOREXAMPLE OFTHE CLASSROOM）
1 2 3 4 5 6 7 8 9 10 11
1
2
3
4
5
6
7
8

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OPERATION AND NOTICE
lConnectwiththeMP9820 theturnedoff amplifierwill bestaredup whenthereistheDC24
switchpower. Itcanacceptthepriority100Vpowerwhichfromthesystemcentreandcarry
outthemutefunction. The100Vsignalcanaffectthemutefunctionbutnotthevolume.
lThevolumeofsparemicrophonecanbeadjustbythevolumecontrolofMic.1. Mic.1hasthe
priority.
lTheturnovercoverwithelasticityshall beopenbythekey. 1~2 microphonecanbeputinside.
lThetotalloadpowershouldbeless thantheratedpower.
lAll ofthewireshouldbeingoodcondition.
lAgainstthewed, unventilated, heat.
HANGING
1. Sticktwonailsonthewall.(the
positionandthedistance referto
thetwonail holeoftheamplifier.
2.Connectthewirelinethenhangiton.
ToMP9820S
Switching Power
（selected）Mic.1
Receive100V
signalfromthe
controlcentre
（selected）
Aux input1
Mic.2
Aux input2
Speakers
Nail hole
N
ail
hole
Nail hole
2
Notice：All oftheCOMispublicgroundlink;thepolaritycan tbeconnectedbycontraries.
Guardagainst
thefthole

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SPECIFICATIONS
Ratedoutput 20W（4Ωload）
OutputMode 4～8Ωratedoutput
MIC1 2:≥3mV, unbalanced
AUX1 2:10 kΩ, ≥350 mV, unbalanced
InputSensitivity
LINE IN：≥30V
SwitchPower
EMC
IN
DC24±2V
LINE IN, MIC:150 Hz~15 kHz
Frequency
response AUX:20 Hz~20 kHz
Distortion <0.5%at1kHz, 1/3ratedpower
Mic1 2:≤5 mV
Theratioof
signaltonoise AUX1 2:≤3 mV
BASS:±10 dBat100 Hz
Tone TREBLE:±10 dBat10 kHz
Capabilityoffuse
ACFUSE（F1A）×1
Power
requirements AC198~242 V/50 ~60 Hz
Power
consumption 40W
Dimensions 250×220×80 mm3
Gross weight /
Netweight 2kg /1.2kg
Specificationsaresubjecttochangewithoutnotice
CAUTION
●Whenthe “Powerswitcher”isoff, pleasepull outthepowercordfromthesocket.
●Pleasekeeptheequipmentoutofwater.
●Toreduce theriskofelectricshock, donotremovethecover.
●Nouserpartsinside. Referservicingtoqualifiedservice personnel.
DSPPAACOUSTICTECHNOLOGY CO. LTD.