Since then, Yamaha has purchased Sequential Circuits in 1988 and bought a significant share (51) of competitor Korg in 19891993. In 1989, Yamaha shipped the world's first CD recorder. Low-noise matched FETs in the phono EQ section with differential 1st stage and complementary SEPP output.ДЎst stage differential FET amp and complementary SEPP output for the NF-type tone control section. In October 1987, on the 100th anniversary, its name was changed to The Yamaha Corporation. Inside, the differences are almost invisible.ДC power amp section with Class A or Class B operation, low distortion Yamaha Dual-Fet differential amplification, parallel p-p circuit and SEPP output. There are no visual differences between the two except for the scripting of the bass/treble controls. Great drive & finesse, if housed in a somewhat heavy-ish design. Vintage Console I have 3 pair of similar sized speakers, Yamaha NS-670, Advent 4002 and Optimus 5. Upgraded version of the CA-1010 (aka CA-1000III in Japan) : better ALPS potentiometers, a different and DC output stage and more power for an even better 'speakers control. Magnavox Vintage Home Stereo Speakers Guitar Amp DIY. Third version and a half of the original CA-1000, the CA-2010 was a CA-2000 in Japan.

Yamaha 2010 amp