Threshold FET 9 cartidge loading DIP switch - info please?

laugoo · 18th December 2008, 09:39 PM

Can anyone enlighten me on the resistor values associated with each particular DIP switch position for the FET 9 preamp? Any info on that would be appreciated. Thanks!

Nelson Pass · 19th December 2008, 06:35 PM

Nobody seems to have it. As I recall, it is simply an 8 switch DIP with
the loading resistor/cap right next to each switch element. The resistors
were RN55D with the value printed "side up" showing the three digit value
with multiplier - "4752" = 475 X 100 = 47.5K

With all switches open, I think the default is 47K with 100 pf or so, and
other common values were 1K and 100 ohms, but you can read the values
and see for yourself.

18th December 2008, 09:39 PM	#1
laugoo diyAudio Member Join Date: May 2004 Location: UK	Threshold FET 9 cartidge loading DIP switch - info please? Can anyone enlighten me on the resistor values associated with each particular DIP switch position for the FET 9 preamp? Any info on that would be appreciated. Thanks!

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19th December 2008, 06:35 PM	#2
Nelson Pass The one and only Join Date: Mar 2001	Nobody seems to have it. As I recall, it is simply an 8 switch DIP with the loading resistor/cap right next to each switch element. The resistors were RN55D with the value printed "side up" showing the three digit value with multiplier - "4752" = 475 X 100 = 47.5K With all switches open, I think the default is 47K with 100 pf or so, and other common values were 1K and 100 ohms, but you can read the values and see for yourself.

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