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Decibel Levels on Vavle amp or any amp with no display

Andrew Everard

New member
May 30, 2007
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Well, the amp won't be playing at a decibel level - only a source/amp/speakers combination can do that.

And you can check that using a sound pressure level meter.
 

chebby

Well-known member
Jun 2, 2008
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http://www.maplin.co.uk/Module.aspx?ModuleNo=226470&C=Froogle&U=226470&T=Module

I cannot imagine why anyone would need one unless they play their music really loud and want to brag about how loud it is, or have some legal dispute with a neighbour over noise!

Meters on amplifiers - despite being pretty - are useless and totally inaccurate unless feeding into 8 ohm resistors. (Rather than real world, variable loads like speakers.)
 

Andrew Everard

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May 30, 2007
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chebby:I cannot imagine why anyone would need one unless
they play their music really loud and want to brag about how loud it
is, or have some legal dispute with a neighbour over noise!

...Or want to set their surround system up accurately.
 
T

the record spot

Guest
Or they own a Turbosound PA? Okay, not in yer typical semi-d I grant you.
 

chebby

Well-known member
Jun 2, 2008
1,233
5
19,195
Andrew Everard:
chebby:I cannot imagine why anyone would need one unless
they play their music really loud and want to brag about how loud it
is, or have some legal dispute with a neighbour over noise!

...Or want to set their surround system up accurately.

I never realised people used valve amps for surround but yes, point taken.
 

skularatna

Well-known member
Dec 18, 2008
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Im not using my valve or surround its purely for music and as for the decibel reading, it was just curiosity. I will be buying an SPL later this year to setup the surround sound though.
 
T

the record spot

Guest
You're buying the SPL??? Leave Celtic alone matey boy!!

Ah, a sound pressure thingy.....my error.
 

Andrew Everard

New member
May 30, 2007
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chebby:
I never realised people used valve amps for surround but yes, point taken.

It's not common, agreed, but just to prove it can be done, there's this...

 

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