[組圖]全頻音箱制作
Thisisoneofthosethingsyoujusthavetodesignbyear.Nocomputersimulationshere.Ihadtriedsimulatingitwiththehelpofsoftwarebutwhatmeasuredgoodandwhatsoundedgoodweretwodifferentworlds.Allthatisusedhereisasimplenotchfiltertolowerthemidrangeoutputleveltomatchthebassandtreblebetter.EventhoughthedriversusedarerathercheapIwouldadvisetousethebestfiltercomponentsyoucanget(thereareonlythreeperspeakersoIwon’tcostthatmuch).Theinductormusthaveanair-corefornosaturationandlowdistortion.ThelowerRdcthebetter,itimprovesbassresponse.Itisamazinghowsensitivethecapacitoris,usingastandardAudynCapMKPorsimilarisawaste!Agoodprice/qualityratioisachievedwithaLeClanchéorSolenFastCap.Whenahigh-endAudynCapPlus,MundorfSupremeCaporHovlandMusicapisusedtheamountofextraclarityanddetailingisunbelievable.Iusedametaloxideresistor,hereagainpersonaltastewilldeterminewhatisneeded,standardcementedresistorsareoutofthequestion.
Filtercomponents:
L=0,82mHair-coreinductor2,00mmwire,R=0,15W(tolerancemax2%)
C=4,7mFMKPpolypropylenefoilcapacitor-AudynCapPlus,MundorfSupremeCaporSolenFastCap(tolerancemax2%)
R=10W10wattsmetalfilmresistor(tolerancemax2%)
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