LP1 PHONO PREAMPLIFIER

LAMM Audio
  • 详细说明
  • 产品参数

TheLP1SignaturehasbeendesignedtocomplementtheML3amplifierandtheLL1preamplifier.ItcompletestheSignatureSeriestriadand,incombinationwiththeothertwoSignaturecomponents,representsa"matchmadeinheaven".However,theLP1Signaturewillperformitsmagicinanysystemprovideditisofsufficientquality.

TheexperienceoflisteningtotheLP1isauniqueone.Itis,atonce,intimateandexpansive—asifbeingtransportedtoaspacethatbelongstojustthelistenerandthemusicastheymergewithoneanother.Withnoelectricalartificetoimpedecommunication,agreaterunderstandingofthemusicisimmediatelypossible.Thusenabled,thelistenercanenjoyeachandeverymusicalelementlockedintheLP’sgrooveswithnewfounddepth,profundityandinsight.

TheLP1Signaturefeaturesatopologythatbringsoutthemostnaturalsoundperformanceintheaudiopath.ThemaindistinctionoftheLP1Signaturefromanyothercomparabletypeofpreamplifiersisitsalmostinaudiblesonicsignature.Whenconnectedtotheappropriatetypeofelectronics,andespeciallyLAMMamplifiersandpreamplifiers,itassurestheextraordinarytransparencyofperceivedsoundandrecreationofathreedimensionalsoundstageinthehome,recordingstudio,etc.withoutboundariesandlimitations.
TheLP1SignatureisavacuumtubepreamplifierthatemploysahighcurrentpureclassAoperationfrominputtooutput.Noloopfeedbackisemployed.Otherfeaturesinclude:

Audiblyneutralpowersupplies(oneforeachchannel)featuringfull-wavevacuumrectifiers,chokecontainedfilters,vacuumtubehigh-voltageregulators,andsolid-statelow-voltageanaloguenon-switchingregulatorsusedastheheatersupplies

ThreeseparateinputsforMMandMC(twoinputs)cartridges

Allamplificationstagesutilizehightransconductancesuperlownoisehigh-currentvacuumtriodes

VeryaccurateRIAAEQnetwork

Eachpreamplifieriscarefullyhandcraftedofthefinestmaterialsandhandselectedtopqualitypartslikemilitary-gradeDALEmetal-filmresistors,RCDwire-woundresistors,BOURNSmulti-turnpotentiometers;ELECTROCUBE,CORNELLDUBILIERandROEDERSTEINfilmcapacitors;highfrequencyswitchinggradeCORNELLDUBILIERelectrolyticcapacitors;HAMMONDchokes;gold-platedNEUTRICconnectors;andmilitary-gradelow-noiselong-lifevacuumtubes.

Acustom-designedmassivedampingpanelinstalledinthepreamplifierunitsignificantlyreducesalltypesofmechanicalvibrationswhich,inturn,leadstoamoreextended,coherentandnaturalbassreproduction.
TheLP1Signaturefeaturesacustom-designedsuper-lownoisepowertransformer.

技术规格

额度输出电压:0.135V(RMS)

电压增益:3560(MC1 +2%、71+0.2dB)、970(MC2+2%、59.7+0.2dB)、100(MM +2%、40+0.2dB)

RIAA精度:+0.05dB/-0.3dB

唱头过载:14mv(MC1)、45mv(MC2)、425mv(MM)

总谐波失真:≤0.1%(MC1)、≤0.07%(MC2)、≤0.04%(MM)

输入灵敏度(RMS+2%):0.038mv(MC1)、0.14mv(MC2)、1.35mv(MM)

输入阻抗:31.5Ohms(MC1)、430Ohms(MC2)、47KOhms/100Ohms/10KOhms/47KOhms/75KOhms/100KOhms、100pF/150pF/200pF/300pF/400pF(MM)

输出阻抗:1.3KOhms

信噪比:≥78dB(MC1)、≥79.5dB(MC2)、≥81.5dB(MM)

耗电:170W

工厂老化:72小时

建议系统老化:160小时

热机:30分钟

体积(HWD):4.5×19×13.875+1.375挽手(英寸)

重量:16.7Kg(主机)、9.4Kg(电源)

使用电子管:主机6C3P/6C3П、6C3P/6C3П 、6C45P-E/6C45П-E、6C45P-E/6C45П-E ;

电源12AX3/12BE3×2、6C19P/6C19П、5651A、12AX7/ECC83

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