Why use transistors, Op-amps use less components. TL082 is a dual op amp, and TL094 has 4 op amps. They are symetrical inputs and outputs, once a PCB layout is made for one, copy rotate and paste, and your job is done!

Why use transistors, Op-amps use less components. TL082 is a dual op amp, and TL094 has 4 op amps. They are symetrical inputs and outputs, once a PCB layout is made for one, copy rotate and paste, and your job is done!