Finding Gryphon Diablo for $6k must be impossible.
Took me 1 min to find this one, that’s sold.
https://www.usaudiomart.com/details/649599757-gryphon-diablo-120-integrated-amplifier/
This ones available price on application
https://www.audio-markt.de/en/market/gryphon-diablo-120-dac-exhib-4815978942
One here on Agon that expired he could be a go
https://www.audiogon.com/listings/lisa1180-gryphon-diablo-120-solid-state
Cheers George