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 ...

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 ...