Fake audiophile opamps: OPA627 (AD744?!) : ZeptoBars
2pcs Analog Devices OP285GS Dual 9 MHz Precision Operational Amplifiers Op- Amps | eBay
Counterfeit Transistors
1 Piece Muses03 Op Amp Single Op Amp Muses 03 Operational Amplifier Chip - Operational Amplifier Chips - AliExpress
1X LM6364N High Speed Operational Amplifier | eBay
Testing eBay LM358s Part 1 – Silicon Junction
1 Piece 100% Original Tda7293 Chip For Audiophile Diy Power Amplifier - Operational Amplifier Chips - AliExpress
operational amplifier - Should I assume my LMV324 is counterfeit? - Electrical Engineering Stack Exchange
1 Pieces AD843JN 34 MHz, CBFET Fast Settling Op Amp AD843 | eBay
10Pcs NE5532 SOP-8 Dual Low Noise Op-Amp IC NEW GOOD QUALITY | eBay
1PCS JFET OP AMP IC ANALOG DEVICES DIP-8 AD823ANZ | eBay
1PCS Low Power Dual Op Amp IC ANALOG DEVICES DIP-8 AD827JN AD827JNZ | eBay
Fail Of The Week: Cheap Chips Cause Chaos | Hackaday
Fake audiophile opamps: OPA627 (AD744?!) : ZeptoBars
Op Amps in common use? - General Electronics - Arduino Forum
20PCS IC JRC4558D 4558D DIP8 OP AMP DIP8 NEW | eBay
ci LM 4250 CN ~ ic LM4250CN ~ Programmable Operational Amplifier ~ dip8 (CI7) | eBay
Chinese fake Op-Amps?
Opamps under microscope | Audio Science Review (ASR) Forum
Are Your Opamps Fake? (Tested!) - YouTube
Fake audiophile opamps: OPA627 (AD744?!) : ZeptoBars
TL07x, TL08x eBay fakery
6P TL074CN TL074 Low Noise JFET Quad Op-Amp DIP-14 NEW | eBay
Beware fake parts - North Coast Synthesis Ltd.
