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How loud in DB, Is "cranking it"

Gents;

i just just got a new amp and was Playing my 87 db efficient speakers( Thiel)

My speakers 8 ft apart and I sit 9ft back

I was just playing my amp at "30 watts class A" and I heard 97 db at listening seat.
I normally listen at 70-75 db

I was told the Xa30.5 might not have enough power! In my questions to Audiogon

To me it's WAY more than I need......no issues here. If my amp is considered underpowered, You guys must be nuts!!
lol

So; the question:. 

How loud is " crankin it" for you guys
and
How loud do you normally listen?

frozentundra

Showing 1 response by gs5556

gs5556
1,242 posts
 
Amplifier to speaker power is a lot more complicated than rated power output vs listening dB. The trick is amplifying the entire audio band. Even a low power consumer receiver will crank out 90 plus db but if you place a spectrum analyzer you will find the lower end of the Thiel's frequency band to be way lower than the spec'd +/-3dB.

Put a Krell or a Levinson monster on a Thiel and match the output and you will immediately hear a profound difference at the same listening dB as the lower frequencies are brought to life.
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