Presence circuit on late '70's amp

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tubedogsmith
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Presence circuit on late '70's amp

Post by tubedogsmith »

Anyone have a schem or can share what's going on with the presence switch on one of these?
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odourboy
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Re: Presence circuit on late '70's amp

Post by odourboy »

Here's something....

Won't swear that it's accurate. Had it filed away here.
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tubedogsmith
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Re: Presence circuit on late '70's amp

Post by tubedogsmith »

Thanks guys!
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brownnote
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Re: Presence circuit on late '70's amp

Post by brownnote »

it's just like the presence control with a fixed setting...resistor instead of a pot...and IIRC it's wired the same way as the D'Lite presence control.
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Funkalicousgroove
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Re: Presence circuit on late '70's amp

Post by Funkalicousgroove »

The '75 Overdrive Delux has a 100 ohm to ground in that position without the cap to ground.
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v00d00blues79
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Re: Presence circuit on late '70's amp

Post by v00d00blues79 »

Thats sounds like standard Fender fair...


Andy
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