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Technical and scientific discussion of amps, cables and other topics.

Can you hear at 400,000,000 Hz?

You’re being a bit naive about the VGA cable comparison – of course 400Mhz signals can be easily affected by a 5ft cable. It’s actually very difficult to make a decent VGA cable. The bandwidth requirement is 20,000 times greater than that of audio!

Those same cable parameters have no proven perceptual effects for audio signals (typical impedances, lengths, etc.)


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