Has anyone tried or known these operationals? Any information? Are they suitable for audio?
Amplificador De Audio Hi-fi Dual Op discretos Amplificador operacional Preamplificador Opamp reemplazar ad827 | eBay
Amplificador De Audio Hi-fi Dual Op discretos Amplificador operacional Preamplificador Opamp reemplazar ad827 | eBay
This part of the description immediately caught my eye:
I note the specs indicate its for audio, yet its described as replacement for AD827 which is not low distortion (its a video opamp)... Caveat emptor - plenty of known good value high performance opamps you can choose without taking a risk.
Seller's link in English.
Dual Discrete Op Amp HiFi Audio Preamp Operational Amplifier OPAMP replace ad827 | eBay