Tube DIY Asylum

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RE: appreciate it

Posted by Triode_Kingdom on April 24, 2025 at 00:22:25:
Using standard off-the-shelf parts matched channel to channel, RIAA compliance in my unit measures within 0.1dB in one channel, and within 0.2dB in the other. These numbers are the result of a frequency sweep using the Lipshitz pre-emphasis network ("reverse RIAA"). This is right at the edge of my measurement capabilities.