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That's part of it - GAN-FETs are becoming very popular in the audio world (e.g. the Peachtree GaN power amps).

GaN has been getting HUGE in the audio realm, less so in western companies but in Asia in the PA realm its been the go-to for a few years now. Admarks AD442(4x4200w @8ohm) and AD60(2x6000w @ 8ohm) are a great example.

1U, Compact and more power than you can poke a stick at and fairly reliable. Also their pricing dumps on the offerings in the west (Both well under $2000 AUD). Just be warned you want MINIMUM 240v 15A or 32A single phase power circuits for these and probably run them at 1/4 or 1/8th rated output for ultra low THD.

Yeah, it's definitely coming via the Chinese companies, and Korean as well (HiFi Rose), and everywhere from budget to expensive. Class D amps have been making headway against traditional scepticism for a while now, and GaN switching performance is pushing that even harder.

Peachtree seem to be one of the US companies pushing GaN in a big way, including their pure-digital amps.

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