Yamaha C-11
Very little is documented about the Yamaha C-11. So little that its existence remains unconfirmed. The Archive's sources contain no specifications, dates, or design details for a Yamaha component with this model number.
The one place "C-11" turns up in the available period press is HiFI-Stereo (January 1990, p.106). It appears in show coverage of the Accuphase exhibit: a C-11 preamp, priced at ¥220,000 (about $1,528), shown next to the matching P-11 power amplifier. That is an Accuphase model, not a Yamaha.
Whether Yamaha ever made a C-11 of its own is still an open question. A period brochure, review, or service manual would settle it. If you have one, the Archive would like to hear from you.
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