Non, les UV ne sont pas arrêté par le vernis, ils vont jusqu'au bois donc le vernis est teinté sur toute sa profondeur.
“The type of cap is not as important as the value of the cap, for guitar. In an Amp, your cap type is much more important, as the signal is being passed through the cap all the time. In a guitar, you’re not hearing the cap itself, you’re hearing what the cap is impeding”. Lindy Fralin