Koetsu and Mayajima for cartridges. Nakamichi for casette decks. Studer/Revox for R2R. Trans-Fi for tonearms. Quad speakers. No domestic there.
For DIY projects it's pretty international, but some domestic. Nobody makes (should say, MADE) complementary small signal transistors like Analog Devices MAT series. RIP, PNP.
For DIY projects it's pretty international, but some domestic. Nobody makes (should say, MADE) complementary small signal transistors like Analog Devices MAT series. RIP, PNP.