OTL Headphone amplifier: Which Feedback setting to use?

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OTL, Output Transformerless Amplifier User Group.

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Hi, I've got a Chinese-made Little Dot MKII can amp which I use with a whole bunch of Grado's. Since my headphones are all 32 ohms, I initially set the feedback switch in the amp to the second to highest setting. It sounds damn good, but I was wondering about NFB in an output transformerless design.

What do the experts think? Should I essentially put up with slightly worse measured specs and eliminate the NFB loop altogether? The amp allows for a 1-5 setting of feedback for each of the two channels. Thanks for the time.

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Topic - OTL Headphone amplifier: Which Feedback setting to use? - Tomman888 07:52:38 05/16/08 (1)

RE: OTL Headphone amplifier: Which Feedback setting to use? - lonestar88 10:54:50 07/19/08 (0)

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