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RE: Add one more...

If Nelson made First Watt amps with power, it would likely infringe heavily on his business with Pass Lab amps. I think his designs for First Watt are deliberately "crippled". It's a way for him to have fun and "connect" with the DIY crowd.

I find it odd that he only works on power amps. I really don't get the difference between designing a class A power amp and designing a line stage. What ever works for one should work for the other - just scale the dissipation of the active devices.

Ayre uses the same basic schematic for the moving coil phono stages as the highest powered power amp. Just different device selection to fit the job. A good, linear zero-feedback circuit is a good linear zero feedback circuit, regardless of the voltage levels required.

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