[Elecraft] K3 AF PA

Bob W9RFS w9rfs at arrl.net
Wed Mar 19 01:11:38 EST 2008


I did a little more reseach and found the power amp for the speaker output in
the k3 schematics. The device is a LM4950TS. Here's a link:
http://www.national.com/pf/LM/LM4950.html#Datasheet  
Looks like 3.1 watts into four ohms with less than 1% THD. Is this correct
or am I missinterpreting the specs? Thanks,


Brett Howard wrote:
> 
> 2.5 Watts into 4 ohms if you're willing to put up with 10% THD.  Figure
> 2 watts into 4 ohms.
> 
> 
> On Fri, 2008-03-14 at 20:41 -0700, Bob W9RFS wrote:
> 
>> Does anyone know how many watts the audio amp is that feeds the speaker
>> output connector?
>> Thanks!
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