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| | |-+  Adding a Deep switch to a non-HRM OTS		 « previous next »
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Author Topic: Adding a Deep switch to a non-HRM OTS  (Read 5094 times)
pine
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« on: May 14, 2009, 05:47:12 PM »
I have added a deep switch to this amp, and used the FET input hole, taking the FET out of the circuit. Should I add a resistor to simulate the FET board now? If so, what value? Would I connect it across wires X-2 and X-4 in the October, 2008 layout?
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mcinku
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« Reply #1 on: May 15, 2009, 06:13:14 AM »
As far as I know using FET simulate resistor is not a must... but if you want to be "consistent" with the ODS design, that resistor is used to replace the load, power section have with the FET. I think this resistor will affect you B+ voltages a little...


I've seen 150K or 220K used in there... but you better use at least 2W resistor... that resistor can get very hot
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pine
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« Reply #2 on: May 15, 2009, 12:21:33 PM »
I used the 150K 2W resistor off the FET board and ran it to ground, hopefully that will do the trick.
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archelo
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« Reply #3 on: August 15, 2009, 09:17:35 PM »
I just replaced the FET input as well with a deep switch. I did not however completely remove the FET board... just disconnected the wire from the FET input and shrink wrapped it. Is this OK or do I need to add that resistor? If I need to add, can you guys let me know where exactly it goes installed?
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mcinku
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« Reply #4 on: August 15, 2009, 09:29:56 PM »
No need for you to add that resistor.
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archelo
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« Reply #5 on: August 15, 2009, 09:49:30 PM »
Thank you Mcinku....BTW...your posts and diagram on this subject is what inspired me to install this mod. The bright switch now is much more usable and the deep switch is perfect. Thanks a lot!
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mcinku
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« Reply #6 on: August 15, 2009, 09:55:36 PM »
You're welcome, that's why we have all these forums isn't it.
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