Eire

Το οτι ηταν επαγωγικο το φαινομενο το καταλαβα απο οταν ημουν στο λυκειο :P παντως βοηθησες, ναι. Ευχαριστω.

Μια ερωτηση για να καταλαβω μονο την αρχιτεκτονικη του μαγνητη. Ο μαγνητης μπαινει στο "εσωτερικο" του πηνιου σαν διηλεκτρικο?

Ka8e enisxuths apoteleitai basika apo 2 ba8mides. Mporei na apoteleitai kai apo parapanw alla se basiko epipedo oi ba8mides tou einai 2. Ba8mida leme mia diata3h apo hlektronikes suskeues kai otan milame gia enisxutes sunh8ws milame gia mia diata3h apo tranzistor h lampes me kapoies antistaseis kai puknwtes. Oi basikes ba8mides tou enisxuth loipon einai: 1)H proenisxush (pre-amplification) kai 2)h enisxush isxuos (power amplification). Oson afora thn proenisxutikh ba8mida einai auto akribws pou leei o filos pio panw, enisxuei se mia prwth fash to shma kai tou allazei ta xarakthristika (mpassa-mesaia-prima, entash klp). Einai basika to equalizer pou blepeis panw ston enisxuth sou me tis ru8miseis gia volume, bass, middle kai treble. H enisxush isxuos apla 3ana-enisxuei to shma prin auto ftasei sto hxeio wste na einai arketa isxuro gia na to akous. O enisxuths pou exeis (opws oi perissoteroi enisxutes ki8aras) exoun panw enswmatwmeno proenisxuth, opote mhn skeftesai ton proenisxuth san 3exwristh monada. Uparxoun kai 3exwrista oi ba8mides (preamp kai power amp) alla den 8ewrw oti tis xreiazesai. Oi petalieres polles fores den exoun proenisxush, apla tropopoioun to shma. Nai, panta mporeis na xrhsimopoieis petalia, ousiastika einai san na pros8eteis mia extra ba8mida proenisxushs. O hxos tou enisxuth e3artatai apo tis diata3eis eswterika tou, epishs paizei terastio rolo an o enisxuths xrhsimopoiei lampa (valve amp h tube amp) h tranzistor (solid state). Mporw na sou e3hghsw giati kai me pio hlektroniko-episthmonikous orous alla einai anousio. To 8ema einai oti genikotera h lampa exei pio gemato kai zesto hxo apo tranzistor. To ti hxous 8a bgaleis e3artatai apo to ti 8es na pai3eis. Auta, over and out.

Kalhmera. g-h-t egw 8a sou proteina na dwseis kalutera perissotera lefta sthn ki8ara kai na pareis enan apla kalou epipedou enisxuth (se prwth fash 8a sou proteina solid state). Egw 8ewrw polu kalh epilogh ton roland cube kai me sxetika xamhla watt gia na mhn se peta3oun apo thn oikodomh :P Tis proalles pou eblepa stis aggelies edw ena palikari edine enan tetoion me 70-80 eurw an 8umamai kala. Telos pantwn psa3e kai 8a thn breis thn aggelia. 8ewrw genika oti einai kaluterh epilogh na pareis mia polu kalh ki8ara para enan polu kalo enisxuth (enas polu kalos enisxuths einai -sxedon- PANTA pio fthnos apo mia polu kalh ki8ara opote kalutera na kaneis upomonh gia na mazepseis ta perissotera lefta para ta ligotera). Elpizw na boh8hsa kai na mhn mperdepsa.