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Tube DIY Asylum Do It Yourself (DIY) paradise for tube and SET project builders. |
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In Reply to: How low do we have to go??? posted by TomWh on November 19, 2014 at 08:39:35:
I'm not sure everyone else grasped that you are talking about phono, and not an amp in general. Is that correct?
In the case of a phono, most information below 10Hz is absolute garbage - surface rumble and warp dominate that spectrum. I find that only the most pristine LPs sound clean without at least 6db/octave rolloff below 20hz. Some are better off with 12db/octave
Sure, instantaneous transients go much lower, but those super-low frequency transients are almost DC, and largely make it past the high pass filter anyway.
So, if you're just talking about a phono stage here, if you're flat to 9hz, I'd say you're fine. That's only my opinion, though...
-SF
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Follow Ups
- RE: How low do we have to go??? - Sherwood Forest 08:50:49 11/20/14 (1)
- see my post below - Ralph 09:16:13 11/20/14 (0)
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