Koetsu

Explore Koetsu vintage audio equipment in the Vintage Technology Archive.

Models

Cartridges

1100D — Little is documented about the Koetsu 1100D. This archive page honestly states what is known — and what is not — about this obscure audio model.

Speakers

QUAD-63 — Koetsu QUAD-63: no contemporaneous documentation has surfaced; period ads mention Koetsu and Quad ESL-63 separately. Find when it was made here.