Barney_Oliver_Amplifier_Memo 电路图.pdf

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1、-. I TO: FROM:DanLansdon DATE:18MAY1972 SUBJECT:BarneyOliverAmplifier AwhilebackBarneyOliverdecidedtodesignastereoamplifier forhishome.Thislaborofloveresultedinastate-of-the-art amplifierwithoutstandingperformance.Peopleat-hp-heard it(orheardaboutit),wantedoneandofferedtohelpmakeit availableto-hp-em

2、ployees.Acooperative,after-hoursG jobresulted.ChrisClare,RichMarconiandKenpetersonof PaulStoftslabassistedonelectricalandmechanicalaspects. PaulRasmussenofCorporateIndustrialDesignlenthisspecial talents.ClarenceStudleyofStoftslabfinalizedthemechanical design.EileenMartinofHPLdidPClayout;BettyDownsof

3、 HPLdidschematicsandartwork.Others,includingTom Osborne,helpedinavarietyofways.Barneyandhishelpers spentmany,manysparetimehourslandwecannowtake ordersfordeliveryinSeptember. Withoutintendingtomakeasalespitch,Icansaythattestsin myhomeagainstanexcellentsystemconvincedmethatBarneys amplifierisprobablyt

4、hebeststereoamplifiereverbuilt. Ifyouwantafinequalitystereosystem,thisamplifieroffers performanceunmatchedattwoorthreetimestheprice,or perhapsatanyprice. TheSantaClaraDivisionhasagreedtobuildarunofthese amplifiersinAugust.THISISNOTANHPPRODUCT,but itwillbe-hp-quality,completelyassembledandtestedin ac

5、cordancewithstandard-hp-practice.WEWILLBUILD ONLYASMANYAMPLIFIERSASNEEDEDFORFIRMORDERS INOURHANDSONJUNE19,1972.WEDONOTANTICIPATE FUTURERUNS. Adescription,includingpicturesandfrequencyresponse curvesisattached,asisanorderblank.Alsoattachedis a qandasheetwhichshouldanswermostofyourquestions. Ifyouwant

6、oneormoreoftheamplifiers,pleasefilloutthe orderblankandmailittousearlyenoughsothatitwillbe inourhandsonJune19th.Wewillacknowledgeyourorder directly. RadioFans.CN 收音机爱 好者资料库 , BARNEYOLIVERAMPLIFIER SPECIFICATIONSHEET OUTPUTPEIlCHANNELI FREQUENCYRESPONSE SPEAKERZCONTINUOUSAUDIOPEAK *Continuoushighpowe

7、roperation atlessthan 8nnotrecommended. HARMONICDISTORTION HUMANDNOISE UI.l , allfreqs. IIr II I -Ir IOOUII I IDOsrO , I-fj- . N , - . FrequencyResponse - ,- , - II- IH , , - MlC.1 IltQUUlCI 18dbl octavewithcornerat5,8,100or20KHz. Includes30dbnotchat10 KHzin5and8. KHzpositions. VOLUMEDualprecisionat

8、tenuator,60dbrange, 2 dbsteps.Eliminatesneedforbalance control. BASSFLAT,BOOST(seeattachedcurves) ResponseRIAA,+6db,- 6db , SIZE16.72(425mm)wide,S.0(127mm)high, 10,93(278mm)deepbehindpanel. (Seeattacheddrawing.) WEIGHTApproximately20poundsnetwithoutcase. POWERREQUIREMENTS *Hllmpickupbyphonecartridge

9、maycause thisfiguretobeexceeded 115or230V.A.C.+100/50-60Hz,20W ,- standbypower,135 Watfulloutputinto. 16n(bothchannels) RadioFans.CN 收音机爱 好者资料库 . , .38in,4t-l0.93in., 110mml(278mm) r 4.85in. (l23mm) I 4.48in. (114mm) I S.OOin. 127mml o= I_11 , 0 _-16.22 ;.:-4 1412mm) _-12.11in.-4 308rnm) 16.72;.,-4

10、(425mm)NOTE:CASEISANEXTRAPRICEOPTION RadioFans.CN 收音机爱 好者资料库 I , QUESTIONSANDANSWERS WhatisthePrice? $325maximum,plusapplicabletaxes,shippingcostsand duties.Thebasepricewillbeyourshareoflabor,mater- ialsandnominaloverheadbutwillnotexceed$325f.o.b. PaloAlto. Whocanorder? Any-hp-employee.Alltransactio

11、nsmustbestrictly between-hp-employeesandthecompany.Youcanorder extraunitsforfamilyandfriends,butyouareresponsible forserviceandwarranty. Howtoorder? Filloutenclosedorderform. MailtoHPLabs,1501PageMillRoad,PaloAlto,Calif- ornia,94304,U. S.A.,Attention:DanLansdon Whenandhowtopay? Thiswillbearrangedbyy

12、ourlocal-hp-organization. HPLabswillshipamplifiersorderedbythoseinyourorgani- zationinasinglelottoaspecifiedindividualthere.Some- onetherewilldeliveryouramplifiertoyouandcollectthe amountdueatthattime. Whataboutwarranty? Thereisnoneinthenormalsense.Remember,thisisa cooperativeG-job,notan-hp-product.

13、Ifrepairsare needed,wewouldexpectyou(orsomefriendofyours)to dothem.Incaseofproblemswithmajorcomponents (powertransformer,attenuator,etc.)getintouchwith DanLansdon. Whatisthedeadline? YourordermustbeinourhandsinPaloAltobyMonday, .JUNE19,1972. Whenwillmorebebuilt? WedonotexpecttobuildbutONELOTofthesea

14、mplifiers. Wewillorderonlyenoughpartstocoverordersinhandon June19,1972. I I , , I I ,! I I I , I I I I I , ! I , I I .I_ , Willitbeavailableinany1dndofkit? No.Wereluctantlyconcludedwecouldnotaffordtheaddi- tionaltimerequiredtowriteassemblyinstructions,doaddi- tionalartwork,/orkoutspecialpackaging,an

15、swerphone callsandcorrespondenceandprovideconsultation. WhenwillIgetdelivery? WeexpecttobuildtheunitsinAugustandyoushouldhave theminSeptember. Whatarethemostoutstandingcharacteristicsoftheamplifier? 1.Extremelylowdistortion.Soundsareveryclean; verysubtledifferencesintimbre,etc.areclearly discernible

16、. 2.Excellentdynamicrange.Outstandingreproductionof percussionsounds,suddenattacks,loudandsoft passages. 3.Utterlyquietwithnoinput. WhatkindofspeakersmustIhave? r BarneydesignedtheamplifierspecificallyforJ.B.Lansing linearefficiencyLE85highfrequencyunitsand15LE15A woofers.MyspeakersarelessexpensiveJ

17、BI.:units,175DLH andD-130butresultsareexcellent;theimprovementovermy McIntoshamplifiersissubstantial.Withoutdoubt,thebetter thespeakers,thebettertheoverallsystem,butIamconfident theperformancewillbeverygoodwithmuchlessexpensive speakersthanlistedabove.Mostanyreasonablygood8or160 speakersshouldgivesa

18、tisfyingresults. Whatkindofphonopickup? . ThepreampisoptimizedfortheShureV 15TypeII($65). Otherscanbeused,buttheV 15isstronglyrecommended. Isacabinetavailablefortheamplifier? Yes,therearetwochoices,atadditionalcost: Oneenclosure,consistingoftwowalnutorteaksidepanels (sandedbutnotfinished),ablackviny

19、l-cladtopandnecessary .hardwaremaybeseenintheattachedpicture.Theadditional priceis$10f.o. b.PaloAlto. Ifyoupreferastandard-hp-cabinet(fullmodule,5high), withrackmountinghardware,specifyonyourorder,at$ 20 additionalf.o.b.PaloAlto.Color:-hpOliveGrey. Neitherenclosureisneededformountinginyourownstereo

20、cabinet. r ., ,. I , ORDERFORM FILLOUTALLBLANKS.MailtoHPLabs,1501PageMillRoad, PaloAlto,California,94304,U.S.A.Attention:DANLANSDON HEREISMYORDERFORBARNEYOLIVERSTEREOAMPLIFIER(S). QUANTITY:AMPUFIERSnottoexceed$325each* - * TEAK WALNUT * ENCLOSUREKITSat$10ea. * (CrossoutOne) OR STANDARD-hp-CABINETS(f

21、ull -module,5high)at$20ea.* - Total NOTE:Amplifieristobeconnectedfor 115 230(crossoutone)volta.c.line * * NAME(Pleasetypeorprint)-_ HPOrganization(Division,SalesOffice,etc.)_ LOCATION_ BillLDINGNUMBER_ Signed,_ *Priceisf.o. b.PaloAlto,California,U. S.A.,anddoesnotinclude applicabletaxes,shippingcosts,duties. i , , II