Ever try a JFET power amp?

[gtt]

I was reading about these crazy high voltage and current SiC JFETs (onsemi UJ3N065080K3S) and wondered if they could be used like a power tube in push-pull with a phase inverter and a transformer.

The dream of course is an all-JFET Viceroy as an amplifier not just a pedal.

Chuck did you ever look at anything like this?

 

[Chuck D. Bones]

I was aware of the technology, but have not investigated it. A quick scan of the datasheet tells me that these are intended for power conversion applications where they are used as switches. They can be operated in linear mode and the gain (transconductance) is HUGE. Orders of magnitude higher than a vacuum tube or the typical small-signal JFET. The capacitance is quite high as well, which means a linear power amp circuit will need to have much lower impedances than a tube amp to achieve the same freq response. Intriguing.

This is the pricing at Mouser.

 

[gtt]

Yeah I thought it was interesting. There's a dude at diyAudio doing hi-fi things with them.

 

[Chuck D. Bones]

Got a link?

 

[gtt]

Whoops thought I had added it. Here you go.

 

[Chuck D. Bones]

Hmmmmmmm.