With little more than a gutted record player, a light bulb, and the legendary 555 timer IC, [Jacob Ellzey] has constructed this very slick optical tremolo effect for his guitar. By modulating the ...

Thanks to insider info from Gilmour’s guitar tech Phil Taylor, we know that the model in question is the Zoom 9030 – a half-rack-sized multi-effects unit that features an analog preamp section ...