I am surprised you still did not find one, here is a demo G56 unit for sale from a proper shop.

Living room: Ansuz Mainz8 C2, Uptone Ethernet Regen, Grimm MU1, Audionote (UK) DAC 5 Special, TT2, Io1,S4, M2RIAA, Audionote (UK) OTO Line SE Silver Signature (35th Anniversary), Fleetwood Deville SQ
sold (Q1-2024): 818v3, DSP7200SE
Office: MS200, audio engine A2+
Spare: STAX SRM-323II, SR303, MC200 (Roon ROCK’ed),
Roon: life time subscription