Presence circuit on late '70's amp
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				tubedogsmith
 - Posts: 597
 - Joined: Mon Jan 17, 2005 11:52 pm
 
Presence circuit on late '70's amp
Anyone have a schem or can share what's going on with the presence switch on one of these?
			
			
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						Re: Presence circuit on late '70's amp
Here's something....
Won't swear that it's accurate. Had it filed away here.
			
			
						Won't swear that it's accurate. Had it filed away here.
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									"Let's face it, the non HRMs are easier to play, there, I've said it." - Gil Ayan... AND HE"S IN GOOD COMPANY!
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				v00d00blues79
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				tubedogsmith
 - Posts: 597
 - Joined: Mon Jan 17, 2005 11:52 pm
 
Re: Presence circuit on late '70's amp
Thanks guys!
			
			
									
									
						Re: Presence circuit on late '70's amp
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.
			
			
									
									
						- Funkalicousgroove
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Re: Presence circuit on late '70's amp
The '75 Overdrive Delux has a 100 ohm to ground in that position without the cap to ground.
			
			
									
									Owner/Solder Jockey Bludotone Amp Works
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				v00d00blues79
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Re: Presence circuit on late '70's amp
Thats sounds like standard Fender fair...
Andy
			
			
									
									
						Andy