Print Page - Sparkle boost, transistor replacements

Title: Sparkle boost, transistor replacements
Post by: mnordbye on December 04, 2007, 03:47:49 PM

I'm going to build the Sparkle Boost tonight.. What are suitable replacements to the NTE458 transistor?

Thanks
Magnus N

Title: Re: Sparkle boost, transistor replacements
Post by: snoof on December 04, 2007, 04:31:26 PM

J201, MPF102 are but a few of the many JFET's that will work. Watch the pinouts though...

Title: Re: Sparkle boost, transistor replacements
Post by: mnordbye on December 04, 2007, 04:39:46 PM

Thanks, got a couple of J201s..

Magnus N

Title: Re: Sparkle boost, transistor replacements
Post by: snoof on December 04, 2007, 07:17:57 PM

should add that the MPf102 will be lower gain than J201 & 458.

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