Owners Manual 使用说明书U.R.G., Pro Audio equivalent to a 20 k Hz filter with infinite dB/octave attenuation. PAD ON , GAIN Minimum ( Sensitivity = +10 dBu )82 (92 dB S/N)dBuMaximum Voltage GainCH IN to CH OUT64dBCrosstalkAdjacent Inputs 1 k Hz90dBPAD ON, GAIN Minimum 10 k Hz70dBCH INPUT GAIN controlvariable44dBCH INPUT PAD switch26dBCH High Pass Filter80 Hz, 12 dB/octave Turn over /roll-off frequency of shelving : 3 dB below maximum variable level.Phantom Power+48 V DC is applied to balanced inputs for powering condenser microphones via 6.8 k ohms current-limiting/isolation resistors.CH PEAK LEDOne red LED per channel. Comes on when post GAIN signal level reaches +17 dBu.CH SIGNAL LEDOne green LED per channel. Comes on when post GAIN signal level reaches -10 dBu.Included AccessoriesPower Supply Cord, Euroblock Connectors ( 3P 8 ), Rubber Feet ( 4 ), Owners ManualPower Consumption25 WDimensions (W H D)480 mm 44 mm 375.5 mmWeight4.7 kgENGLISH12MIC LINE AMPLIFIERInput Characteristics / 输入特性 *1: 0 dBu is referenced to 0.775 Vrms. *1: 0 dBu 参考 0.775 Vrms。 Output Characteristics / 输出特性 *1: 0 dBu is referenced to 0.775 Vrms. *1: 0 dBu 参考 0.775 Vrms。 D-sub 25pin Assignment Table / D-sub 25 针分配表 Specifications and descriptions in this owners manual are for information purposes only. Yamaha Corp. reserves the right to change or modify products or specifications at any time without prior notice. Since specifications, equipment or options may not be the same in every locale, please check with your Yamaha dealer.本使用说明书中的技术规格及介绍仅供参考。 Yamaha公司保留随时更改或修订产品或技术规格的权利， 若确有更改， 恕不事先通知。 技术 规格、 设备或选购件在各个地区可能会有所不同，因此如有问题，请与当地 Yamaha 经销商确认。 PADGainActual Load ImpedanceFor Use With NominalInput Level *1Connector InAmplifier unitNominalMax. before Clip0 603 k ohms50 600 ohms Mics 600 ohms Lines60 dBu (0.775 mV)40 dBu (7.75 mV)XLR-3-31type (balanced)2634 dBu (15.5 mV)14 dBu (155 mV)0 1616 dBu (123 mV)+4 dBu (1.23 V)26+10 dBu (2.45 V)+30 dBu (24.5 V)Actual Source ImpedanceFor Use With NominalOutput Level *1Connector InAmplifier unitNominalMax. before Clip150 ohms10 k ohms Lines+4 dBu (1.23 V)+24 dBu (12.3 V)Euroblock connectors (balanced)D-SUB 25P female connector (balanced) SignalOutput ChOpenGND12345678PinHot2410217184151132, 5, 8, 11 ,16, 19, 22, 25Cold12239206173142514131ENGLISH13MIC LINE AMPLIFIERDimensions / 外形尺寸 * When the included rubber feet are attached * 当装有附带的橡胶脚垫时 If you do not intend to rack-mount the MLA8, attach the included rubber feet to the bottom surface of the device. Attach the rubber feet in the positions marked by small circles on the bottom.如果不想通过机架安装 MLA8， 请在本设备的底部装上附带的橡胶脚垫。 请将橡胶脚垫装在底部有小圆圈标记之处。439 430375.5 353.5173484351220653504804445 22423-16 +10-34-60 GAIN-16 +10-34-60 GAINSIGNALPEAKOFFON +48VSIGNALPEAKOFFON +48V8080-16 +10-34-60 GAINSIGNALPEAKOFFON +48V80-16 +10-34-60 GAINSIGNALPEAKOFFON +48V80-16 +10-34-60 GAINSIGNALPEAKOFFON +48V80-16 +10-34-60 GAINSIGNALPEAKOFFON +48V80-16 +10-34-60 GAINSIGNALPEAKOFFON +48V80-16 +10-34-60 GAINSIGNALPEAKOFFON +48V8012345678MIC LINE AMPLIFIERPOWERON /OFF26dB26dB26dB26dB26dB26dB26dB26dB*单位 ： mmFor details of products, please contact your nearest Yamaha representative or the authorized distributor listed below.关于各产品的详细信息，请向就近的 Yamaha 代理商或下列经 销商询问。 CANADAYamaha Canada Music Ltd.135 Milner Avenue, Scarborough, Ontario, M1S 3R1, Canada Tel: 416-298-1311U.S.A.Yamaha Corporation of America 6600 Orangethorpe Ave., Buena Park, Calif. 90620, U.S.A. Tel: 714-522-9011MEXICOYamaha de Mxico S.A. de C.V.Calz. Javier Rojo Gmez #1149, Col. Guadalupe del Moral C.P. 09300, Mxico, D.F., Mxico Tel: 55-5804-0600 BRAZILYamaha Musical do Brasil Ltda.Rua Joaquim Floriano, 913 - 4 andar, Itaim Bibi, CEP 04534-013 Sao Paulo, SP. BRAZIL Tel: 011-3704-1377ARGENTINAYamaha Music Latin America, S.A. Sucursal de ArgentinaOlga Cossettini 1553, Piso 4 Norte Madero Este-C1107CEK Buenos Aires, Argentina Tel: 011-4119-7000PANAMA AND OTHER LATIN AMERICAN COUNTRIES/ CARIBBEAN COUNTRIES Yamaha Music Latin America, S.A.Torre Banco General, Piso 7, Urbanizacin Marbella, Calle 47 y Aquilino de la Guardia, Ciudad de Panam, Panam Tel: +507-269-5311THE UNITED KINGDOMYamaha Music U.K. Ltd.Sherbourne Drive, Tilbrook, Milton Keynes, MK7 8BL, England Tel: 01908-366700GERMANYYamaha Music Central Europe GmbHSiemensstrae 22-34, 25462 Rellingen, Germany Tel: 04101-3030SWITZERLAND/LIECHTENSTEINYamaha Music Central Europe GmbH, Branch SwitzerlandSeefeldstrasse 94, 8008 Zrich, Switzerland Tel: 01-383 3990AUSTRIAYamaha Music Central Europe GmbH, Branch AustriaSchleiergasse 20, A-1100 Wien, Austria Tel: 01-60203900CZECH REPUBLIC/SLOVAKIA/ HUNGARY/SLOVENIAYamaha Music Central Europe GmbH, Branch Austria, CEE DepartmentSchleiergasse 20, A-1100 Wien, Austria Tel: 01-602039025POLANDYamaha Music Central Europe GmbH Sp.z. o.o. Oddzial w Polsceul. 17 Stycznia 56, PL-02-146 Warszawa, Poland Tel: 022-868-07-57THE NETHERLANDS/ BELGIUM/LUXEMBOURGYamaha Music