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Tone changes with volume

Has anyone ever noticed how tonality changes depending on volume setting. I thought it was just me until I saw this review of the LW-1 passive preamp:
LW-1 review
"The X-coupler is designed for a wide range of combinations and can drive amplifier loads as low as 10k ohms. This, in theory, should help reduce the shift in tonal balance that results from the changes in impedance caused by the varying positions of the volume control."
Maybe I'm not crazy after all :-)
cdc
bomarc
501 posts
 
There's also the little matter that your own hearing perception alters with volume. As the volume goes up, you should hear more highs (and somewhat more lows). At low volumes, your hearing very efficiently concentrates on the all-important midrange. This effect will swamp any impact that a volume control would have.

Sounds like you're not crazy at all. You're normal.
bob_bundus
1,834 posts
 
Like Bo says: you're hearing the well known Fletcher-Munson curve effect, which is a bell-curve peaking in the midrange area. Your hearing seems quite normal to me too.
cdc OP
1,827 posts
 
Thanks for the thumbs up.
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