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Mario
 Post subject: How loud is +40 db Gain?
PostPosted: Sat Jul 25, 2009 8:36 pm 
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I'm looking for a suitable audio amplifier for my portable and I found this one. It is easy to use, but the datasheet says it has +40 db gain. 40 db is just under normal conversation, so that's much too quiet for a portable.
Is there a difference between 40 db and +40 db gain? How loud would this be in relation to a portable?

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jleemero
 Post subject: Re: How loud is +40 db Gain?
PostPosted: Sat Jul 25, 2009 8:51 pm 
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+40 is, in my opinion, quite something.

The incredibly common LM386 pulls half that.

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XCVG
 Post subject: Re: How loud is +40 db Gain?
PostPosted: Sun Jul 26, 2009 8:02 am 
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I think it means that you get 40dB MORE than what you put in.

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Mario
 Post subject: Re: How loud is +40 db Gain?
PostPosted: Sun Jul 26, 2009 11:06 am 
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So, for an N64 portable, is that a decent loudness? How would it compare to the PSOne screen?

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jleemero
 Post subject: Re: How loud is +40 db Gain?
PostPosted: Sun Jul 26, 2009 11:42 am 
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Mario wrote:
So, for an N64 portable, is that a decent loudness? How would it compare to the PSOne screen?

This will be QUITE loud.

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Mario
 Post subject: Re: How loud is +40 db Gain?
PostPosted: Sun Jul 26, 2009 11:43 am 
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Awesome. Thanks.

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eurddrue
 Post subject: Re: How loud is +40 db Gain?
PostPosted: Sun Jul 26, 2009 12:37 pm 
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jleemero wrote:
+40 is, in my opinion, quite something.

The incredibly common LM386 pulls half that.

Yeah, but the LM386 sucks.
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