For more than 10 years, after Philips silently left the market as supplier,
only 3 mechanisms were available: Sony KHM-313 / Sanyo DM-31 /Hitachi HOP-1200.
That's all. No matter if it was a boombox or High End machine worth 9000$, like Accuphase,
who used the very cheap KHM-313.
AFAIK the Sanyo...