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for audio buffer :TL072,BC107B,2SC1815 , which is lower noise ? Answered

hello . I going to make a guitar pedal.In original schematic ,they use BC107B for audio buffer.But i dont have any BC107B in stock, so i decide to use TL072 or 2SC1815 to make audio buffer.But which is lower noise ?

sorry for my bad English.


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Best Answer 9 years ago

Ones an op-amp, ones a transistor, you need more than one transistor to make a decent buffer.

And the chances of you hearing any problem with a TL072 is pretty remote. Its not the finest audio grade op-amp, but it should work fine, especially in unity gain mode