These devices consist of four independent high-gain, phase
  –compensated operational amplifiers. A suitable recorder and Audio System for tone control. Can.

AND FEATURES These devices consist of four independent high-gain, phase
  –compensated operational amplifiers. A suitable recorder and Audio System for tone control. Can also used for telecom and instrument. *Built-in phase-compensated .

YD329

YD3161

YD3308F

YD3361

YD339

YD34063

YD34119

YD34119A

YD3412

YD3414

YD358

YD3842

YD3843