MPF-102 on Millenium Bypass - diyAudio
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Old 29th June 2009, 11:30 PM   #1
diyAudio Member
Join Date: Jul 2007
Default MPF-102 on Millenium Bypass

I want to realize a millenium bypass circuit for guitar effect

Can I utilize the BF245 instead of MPF-102?

Many Thanks!

PS: The BF245 can repleace the BS-170?
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Old 30th June 2009, 02:51 PM   #2
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Join Date: Jul 2007
No one can help me?
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Old 30th June 2009, 02:58 PM   #3
Telemin is offline Telemin  United Kingdom
diyAudio Member
Join Date: Jun 2009
Hi gamberone the BF245 should work fine as it has a similar Vgs to the BS170, and you can always test it on a breadboard first of course

I have built this circuit myself and can probably give you some troubleshooting pointers if you get stuck.

Happy building

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Old 30th June 2009, 03:33 PM   #4
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Join Date: Jul 2007
Many Thanks.

Can you describe me the problem you've had?

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Old 30th June 2009, 03:50 PM   #5
diyAudio Member
Join Date: Oct 2007
You can replace MPF102 for a BF245, but you'll have to twist it 180. The BS170 is a MOSFET, not a JFET, so BS170 works for Millenium 2!
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