[sdiy] optocouplers/Vactrols
Paul Higgins
higg0008 at tc.umn.edu
Tue Oct 19 22:18:59 CEST 2004
Well, yeah, the box is light resistant...the only thing is, you have to
pull the chassis out to service it! I think for $14 wholesale ($20
MSRP), Magic Parts could do a little better than heatshrinking a lamp
and photocell together.
On Tuesday, October 19, 2004, at 01:06 PM, Harry Bissell Jr wrote:
> This would be VERY much like a 'vintage' Fender
> Vibrato
> unit... originally they used a photocell with a neon
> lamp over it... and a piece of tubing surrounding it.
>
> If you work on such an amp in LIGHT the vibrato will
> not work correctly. Turn off the lights !! :^P
>
> OTOH in a Fender amp, the closed box is quite light
> resistant !!!
>
> H^) harry (who repaired his first Fender amp at 12
> years old... long long, too long... :^)
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