Tube Amps / Music Electronics
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|12/27/1999 10:26 PM|
||Parts For Shaka Braddah|
Hi Guys, Just A Quick Question, What are the J201 Fets in The Shaka Braddah as I can't find anything by that ID Number, Can Someone tell me what they are in General Terms Even the guys at the Electronics store had never heard of them??
|12/28/1999 6:38 AM|
They are JFETs (small signal I believe). Similar to MPF102 which I am sure they must have heard of. Order from Tech America (RadioShack.com) or Future electronics. Both listed on my web site.
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|12/28/1999 3:26 PM|
If you cannot find the J201, try NTE458. Also the MPF102 and 2N5457 will work if you select jfets with enough gain. Other possible subs are the 2N5484, 2N5486, BF245A or 2SK117A.
There is a test jig to select jfets for the Fet Muff article at http://www.muzique.com/amz/fetmuff.htm and it can be used to select devices for my mini-booster which is in the Shaka.
Devices in the test setup that require a drain resistor of 6.8k and higher to reach 1/2 V+ on the drain would work well.
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