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Old 1st February 2010, 10:32 AM   #1
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Default Borbely hybrid Tube-MOSFET opamp

Hi everybody.
I built the Borbely low-voltage hybrid Tube-MOSFET opamp. My problem is to find the MOSFET 2SK216 & 2SJ79. I find the 2SK216 at Farnell, but the P-Channel 2SJ79 is out opf stock. Does somebody knows a replacement?
I built allready a preamp with this very good sounding circuit and I would be very pleased to rebulid the same circuit to use it as a filter to improve the sound coming from the soundcard.
Hopefully somebody knows a replacemet.
Thks Martin
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Old 24th April 2010, 04:04 AM   #2
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HE states "the Toshiba 2SJ313 and 2SK2013 can also be used, but note that the pin-out is different from the Hitachi. (GDS vs. GSD)..."
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Old 26th April 2010, 08:17 AM   #3
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Thanks I'll try it.
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