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How loud is loud, What DB is actually loud?

I like I should say love old school rock and hip/hop rap and funk all kinds of music. I found out my dads listening level is around 75DB which i find to be completley unsatisfying.

I was looking up Quad esl's and everyone says witha 85DB rating they wont go loud, but how loud is loud, How loud is rocking out?
systembuilder
jdoris
972 posts
 
there are vehicles now that score well over 170db in these competitions

I had absolutely no idea this was a realm of human aspiration. I must not get out enough.

"Takes all kinds to make a world," my old man used to say. :)

John
weseixas
519 posts
 
Kijanki...

If you double the area and power remains the same , the increase is 3db or you half the distortion at the same db as one.

regards,
weseixas
519 posts
 
Al,

Play your system in mono, turn of one channel , guarantee you will have more than a 3db loss, even after factoring losses you will still have a 4.5-5 db min drop, the theoretical difference would be 6 db.

regards,

weseixas
519 posts
 
Al,

Tell the university guys there is such a thing as room gain ..

regards,
weseixas
519 posts
 
The 3 db gain is correct for free space ( anechoic) go ahead and measure your hi-fi system, with speakers l/r and with room gain it is more than 3 db, when you turn off one side from the listen position.

regards,
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