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Wah DIY cu Ldr

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Da este foarte OK  .

Pentru a  obtine o cursa mai lunga se cat si caracteristica de raspuns (Log /Lin etc ) se  poate face prin alegerea  adecvata pentru profilul " obturatorului " .  996142998_profileobturatorldr.jpg.a8f7ca0ae1ef1ef098d3efd760726466.jpg

Se observa ca se poate mari lungimea cursei prin alegerea unui profil mai lung plus caracteristica de raspuns  prin forma aleasa .

Daca pui un motoras ptr un " obturator " in forma de "morisca  "  ai efect de wah -pulsator .

In anii '70 construiam asemenea effecte ..cu LDR , acum mai am pe undeva un compresor cu LDR .

Mai am cateva LDR vechi nefolosite dar nu mai reactioneaza la lumina ..

Se pot folosi DIODE sensibile la lumina dar se complica electronica .

Cu LDR este OK , eventual se poate pune un potmetru in paralel ptr un reglaj  al plajei plus un rezistor semireglabil in serie ca sa aduci in plaja de lucru identica cu cea al potmetrului original .

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