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 Forum index » DIY Hardware and Software » MusicFromOuterSpace.com designs by Ray Wilson
substitutes for pn4391
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purdypenny



Joined: Apr 16, 2013
Posts: 2
Location: North of Boston

PostPosted: Wed Apr 17, 2013 8:05 am    Post subject:  substitutes for pn4391 Reply with quote  Mark this post and the followings unread

are there any more common n-channel jfet's that can replace the pn4391's in the sound lab mkii?
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elmegil



Joined: Mar 20, 2012
Posts: 1452
Location: Chicago
Audio files: 14

PostPosted: Wed Apr 17, 2013 10:17 am    Post subject: Reply with quote  Mark this post and the followings unread

The original Sound Lab used MPF102 in a similar way, not sure if that's "more common" for you or not.... I would expect it to work as well though.
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purdypenny



Joined: Apr 16, 2013
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Location: North of Boston

PostPosted: Wed Apr 17, 2013 7:34 pm    Post subject: Reply with quote  Mark this post and the followings unread

Thanks. I do have a few of those. Has anyone tried J111 or know a reason not to?
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