To all potential Ono builders

Netlist · 7th April 2007, 08:52 PM

This might be a nice opportunity to get some JFets for an Ono:
Very limited offer of 2SK389V
I'm not making any money on this and if I would it would be donated to the forum.

/Hugo

Ren · 10th April 2007, 04:44 PM

Thanks, Hugo.

But before I say "yes" to your generous offer, I need to know something.

These are "V" parts and I know they come (or did come) in "G" , "B" , and "V" versions. NP stated in another thread that he used the "B" version. What are the advantages / disadvantages of the three versions? Would I need to make any component value changes for the Ono in order to use these "V" parts?

Best Regards,

Ren

MRupp · 10th April 2007, 06:42 PM

In this particular circuit the Idss current rating of the K389 does not really matter. If this is your only opportunity to get this transistor I would say go for it.

Having said that, the V rating is more rare and hence more expensive than the usual BL variety so it is better left for those applications where you need to run them at higher currents and really need the V type.

7th April 2007, 08:52 PM	#1
Netlist diyAudio Moderator Join Date: Jan 2003	To all potential Ono builders This might be a nice opportunity to get some JFets for an Ono: Very limited offer of 2SK389V I'm not making any money on this and if I would it would be donated to the forum. /Hugo

10th April 2007, 06:42 PM	#3
MRupp diyAudio Member Join Date: Dec 2003 Location: Frankfurt area	In this particular circuit the Idss current rating of the K389 does not really matter. If this is your only opportunity to get this transistor I would say go for it. Having said that, the V rating is more rare and hence more expensive than the usual BL variety so it is better left for those applications where you need to run them at higher currents and really need the V type. __________________ Martin Rupp

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10th April 2007, 04:44 PM	#2
Ren diyAudio Member Join Date: Apr 2002 Location: Northern Virginia	Thanks, Hugo. But before I say "yes" to your generous offer, I need to know something. These are "V" parts and I know they come (or did come) in "G" , "B" , and "V" versions. NP stated in another thread that he used the "B" version. What are the advantages / disadvantages of the three versions? Would I need to make any component value changes for the Ono in order to use these "V" parts? Best Regards, Ren

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