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Old 20th November 2009, 08:01 PM   #1
RKH is offline RKH  United States
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Default 2sk400/2sj114 suitability

Can anyone comment on the subject mosfets for suitability in audio power amp applications?

Thanks,
Ryan
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Old 20th November 2009, 11:45 PM   #2
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Quote:
Originally Posted by RKH View Post
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Sure, Hitachi J114/K400 can and have been used for audio power amps.

Neither meat nor fish, they require a bias level that suits a vertical MOSFET but have similar low transconductance of a Lateral.
Means having to use a steep rail voltage and/or plenty of these devices in parallel.
OK in the old days, when vertical MOSFETs were less educated and a lot more expensive.
Nowadays you'd have to find 'm by the cheap for them to hold up against the steep vertical competition, i reckon.

Same goes for J118/K413 and J119/K414
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