OPA301partlist OPA2301 partlist and Schematic Discrete Op Amp AUDIOFEEL

 

In transistor amplifier of new technologies, it comes the sound resembled vacuum tube !!!
The world's first! Completion of the transistor analog circuits.
Clean, crisp, rich and non-irritating, relaxing, bright and smooth output signal.
New analog amplification technique, that can be analyzed chance.


How did they overcome the shortcomings of the transistor? (Thin sound, dry sound, the sound is harsh)
How it would increased the load driving force?
How it did maintain power in the maximum signal?
Do not use electrolytic capacitors, but did they realize a solid sound?
Why there is no crossover distortion?
The higher idle current (13mA), why is the heat a little?
Why can not the idle current adjustment trimmer?
Idle current is controlled automatically?
How did the output protection circuit configured to control the maximum current limit?
What is the reason there is no signal distortion in the output circuit protection?

In this schematic, you can understand all these questions.

After you've seen the schematics, if you have any questions please contact us.

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Partslist for tunning (OPA301 / OPA2301 / OPA302 / OPA2302)
Partslist for repair (OPA301 / OPA2301 / OPA302 / OPA2302)
Analyzed chance for Discrete Opamp (OPA301 / OPA2301 / OPA302 / OPA2302)

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Contents:
1. Included in partslist: semiconductors, resistors, capacitors, only the electronic circuit components. (PDF files)
2. include schematic: PDF files.
3. The important part is recorded Digi-key product code.
4. Not included in list: PCB information and data, measurement data
5. Do not include any actual parts, we do not supply, you will need to purchase directly.