[Elecraft] Fw: KX3 - audio distortion after level 30

[Alan Davenport]

----- Forwarded Message -----
From: Alan Davenport <w2gzn at yahoo.com>
To: MontyS <montys at mindspring.com> 
Sent: Tuesday, October 2, 2012 8:49 AM
Subject: Re: [Elecraft] KX3 - audio distortion after level 30
  

You miss my point. For what this rig cost, it should not be necessary to need external amplification. I do not buy into the "small speaker cannot play loud" theory either. My HT has a  smaller speaker and produces much more volume. All I am saying is the rig would be perfect except for the volume issues. For me, they makes it somewhat less than perfect.
 
     73/72 de Al, W2GZN.
 

________________________________
 From: MontyS <montys at mindspring.com>
To: Alan Davenport <w2gzn at yahoo.com> 
Sent: Tuesday, October 2, 2012 6:40 AM
Subject: Re: [Elecraft] KX3 - audio distortion after level 30
  
Geez Louise, for $4.08 + $2.98 shipping you can buy a pair of foldable compact speakers from Amazon.com that will fill your room with audio. Powered from a USB port or wall wart.  Look for "Black Folding Stereo Speaker for Apple iPod Touch 4G".  It plugs into phones jack for  input.

Monty K2DLJ

-----Original Message----- From: Alan Davenport
Sent: Tuesday, October 02, 2012 6:06 AM
To: Johnny Siu ; KX3 at yahoogroups.com
Cc: Elecraft
Subject: Re: [Elecraft] KX3 - audio distortion after level 30

Yes, I had the same issue. You can reduce it if you go into the menu and set AGC*THR to 5 (or 4).  4 will totally eliminate the distortion but will reduce the maximum volume the radio will produce. For me, (I'm going to say it) the wimpy audio amplifier is a big disappointment. As you have discovered, even using an external speaker it does
 not produce decent volume.  If I use the radio outside in my patio, headphones are pretty much manditory. Even with headphones, if my neighbor is mowing his lawn. it can be difficult to hear. My K2 has enough amplifier that I can just drown out such noise. I would certainly have accepted a few more mA of current drain for a decent audio amplifier.

73/72 de Al, W2GZN


________________________________
From: Johnny Siu <vr2xmc at yahoo.com.hk>
To: "KX3 at yahoogroups.com" <KX3 at yahoogroups.com>
Cc: Elecraft <elecraft at mailman.qth.net>
Sent: Tuesday, October 2, 2012 3:53 AM
Subject: [Elecraft]
 KX3 - audio distortion after level 30

Hello elecrafters,

I fully understand that audio from the internal speaker of KX3 could be distorted at high level say >30.  However, even I plug in an external self-power speaker, the audio is still distorted if I set the AF level at say >30.

Apparently, the audio distortion is not only due to the small speaker but also caused by the internal audio amplifier within KX3.

Is my observation normal?  I am NOT complaining anything but just want to make sure that my radio is without fault.

Thanks for your help in advance.

TNX & 73,


Johnny VR2XMC
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