MTX Thunder TH90.4 - Gain Control; X-Over Switch; High Pass X-Over Frequency Control; Low Pass X-Over Frequency Control

Control Panel :
(BJO$POUSPM("*/5IFHBJODPOUSPMNBUDIFTUIFJOQVUTFOTJUJWJUZPGUIFBNQMJöFSUPUIFTPVSDFVOJUCFJOHVTFE
5IFPQFSBUJOHSBOHFWBSJFTGSPNNWUP7
Adjusting the gain
5VSOUIFHBJODPOUSPMPOUIFBNQMJöFSBMMUIFXBZEPXODPVOUFSDMPDLXJTF
5VSOVQUIFWPMVNFDPOUSPMPOUIFTPVSDFVOJUUPBQQSPYJNBUFMZcPGNBYJNVN
"EKVTUUIFHBJODPOUSPMPOUIFBNQMJöFSVOUJMBVEJCMFEJTUPSUJPOTPDDVST
"EKVTUUIFHBJODPOUSPMEPXOVOUJMBVEJCMFEJTUPSUJPOEJTBQQFBST
5. The amplier is now calibrated to the output of the source unit.
-PX1BTT)JHI1BTT90WFS4XJUDI907&3
*Oi-1'wQPTJUJPOUIFBDUJWFMPXQBTT-1YPWFSJTUVSOFEPO
*Oi)1'wQPTJUJPOUIFBDUJWFIJHIQBTT)1YPWFSJTUVSOFEPO
*Oi'6--wQPTJUJPOUIFYPWFSJTUVSOFEPò
)JHI1BTT90WFS'SFRVFODZ$POUSPM)1'
6TFEUPTFMFDUUIFEFTJSFEIJHIQBTT)1YPWFSGSFRVFODZ5IFGSFRVFODZJTBEKVTUBCMFGSPN)[UP)[
-PX1BTT90WFS'SFRVFODZ$POUSPM-1'
6TFEUPTFMFDUUIFEFTJSFEMPXQBTT-1YPWFSGSFRVFODZ5IFGSFRVFODZJTBEKVTUBCMFGSPN)[UP)[
3$"*OQVUT*/1655IFTF3$"JOQVUTBSFVTFEXJUITPVSDFVOJUTUIBUIBWF3$"PS-JOFMFWFMPVUQVUT4PVSDF
VOJUTOFFEBNJOJNVNMFWFMPGN7PVUQVUGPSQSPQFSPQFSBUJPOPGUIFBNQMJöFS
.59 SFDPNNFOET POMZ IJHI RVBMJUZ UXJTUFE QBJS DBCMFT TVDI BT 4USFFU8JSFT UP EFDSFBTF UIF QPTTJCJMJUZ PG
radiated noise entering the system.
5IF1PXFS-&%XJMMJMMVNJOBUFXIFOUIFVOJU IBTQPXFSGSPNB7TPVSDFBOE7JTBQQMJFEUPUIF SFNPUF
UFSNJOBM5IF1PXFS-&%XJMMCMJOLXIFOUIFBNQMJöFSFOUFSTQSPUFDUNPEFEVFUPBOFMFDUSJDBMTIPSUPSFYDFTTJWF
UIFSNBMJODJEFOUTFF5SPVCMFTIPPUJOH
4QFBLFSMFWFMJOQVUT)-*5IJTJOQVUXJMMBMMPXUIFBNQMJöFSUPPQFSBUFGSPNTPVSDFVOJUTXJUITQFBLFSMFWFM
PVUQVUT0VUQVUTQFBLFSMFBETGSPNUIFTPVSDFVOJUTIPVMECFUJFEEJSFDUMZUPUIFXJSFIBSOFTTQSPWJEFEXJUI
the amplier.
/PUF8IFOTQFBLFSMFWFMJOQVUTBSFVTFEBSFNPUFUVSOPOXJSFNVTUCFVTFEUPTXJUDIUIFBNQMJöFS0OBOE0ò
1PXFS5FSNJOBM#"555IJTJTUIFNBJOQPXFSJOQVUGPSUIFBNQMJöFSBOENVTUCFDPOOFDUFEEJSFDUMZUPUIFQPTJUJWF
UFSNJOBMPGUIFWFIJDMFTCBUUFSZGPSQSPQFSPQFSBUJPO6TFDBVUJPOXIFOJOTUBMMJOHQPXFSDBCMFJOUIFWFIJDMF
"WPJESVOOJOHUIJTDBCMFQBSBMMFMXJUI3$"DBCMFTBOUFOOBTPSPUIFSTFOTJUJWFFRVJQNFOUEVFUPNBTTJWFDVSSFOUT
UIBUDBOJOEVDFOPJTFJOUPUIFBVEJPTZTUFN*UJTBMTPWFSZJNQPSUBOUUPIBWFBUJHIUTFDVSFDPOOFDUJPOGPSNBYJNVN
QFSGPSNBODF.59SFDPNNFOETVTJOH"8(QPXFSXJSFXJUIUIF.595)BNQMJöFS
3FNPUF5FSNJOBM 3&. 5IF BNQMJöFS DBO CF UVSOFE PO CZ BQQMZJOH  WPMUT UP UIJT UFSNJOBM5ZQJDBMMZUIJT
WPMUBHFJTTVQQMJFECZBXJSFGSPNUIFTPVSDFVOJUNBSLFEiSFNPUFwPSiQPXFSBOUFOOBw
(SPVOE5FSNJOBM(/%"QSPQFSHSPVOEJTSFRVJSFEGPSZPVSBNQMJGJFSUPPQFSBUFBUQFBLQFSGPSNBODF"
short ground cable the same diameter as the power cable should be used to attach the ground terminal
EJSFDUMZUPUIFDIBTTJTPGUIFWFIJDMF"MXBZTSFNPWFQBJOUEJSUPSEFCSJTUPFYQPTFCBSFNFUBMXIFSFUIF
ground will be attached.
4QFBLFS5FSNJOBMT41&",&3$POOFDUTQFBLFSTUPUIFTFUFSNJOBMT0CTFSWFTQFBLFSQPMBSJUZUISPVHIPVUUIF
TZTUFN*NQSPQFSQIBTFDBOSFTVMUJOMPTTPGCBTTSFTQPOTFBOEPSQPPSPWFSBMMTPVOERVBMJUZ
#SJEHF.PEF8IFOCSJEHJOHUIFBNQMJöFSVTFUIFSJHIUQPTJUJWFUFSNJOBMBOEUIFMFGUOFHBUJWFUFSNJOBMPOMZ
Warning EPOPUCSJEHFUIFBNQMJöFSXJUIBOJNQFEBODFMPXFSUIBOPIN
'VTF'64&*GUIFGVTFCMPXTSFQMBDFUIFNXJUIUIFTBNFWBMVF/FWFSVTFBIJHIFSSBUFEGVTF
$BVUJPOGVTFTBSFMPDBUFEVOEFSUIFBNQ