[Elecraft] KX2 speaker/headphone question

[Rose]

In answer to a list member question ... the speaker is acoustically
resonant and -very- narrow.

I suspect Stan's build and his KX2's filtered output tone are too far apart.

I have two of the original speakers and they are phenomenal!

73

Ken - K0PP



On Feb 6, 2017 19:07, "stan levandowski" <sjl219 at optonline.net> wrote:

> No,Peter, it "acts" like a filter to focus on CW frequencies between
> approx 500 to 700 Hz while downplaying higher frequency noise.  Good stuff
> available via Google and Youtube and page 43 of current QST
> 73, Stan WB2LQF
>
>
> On Mon, Feb 06, 2017 at 09:01 PM, Peter Lambert wrote:
>
> G'day,
>>
>> CW resonant speaker ? - does it have a filter in it ?
>>
>> If the frequency is significantly different to the KX2's filter it would
>> explain the extremely low volume.
>>
>> 73's Peter VK4JD
>>
>> -----Original Message-----
>> From: Elecraft [mailto:elecraft-bounces at mailman.qth.net] On Behalf Of
>> stan levandowski
>> Sent: Tuesday, 7 February 2017 11:48 AM
>> To: Elecraft at mailman.qth.net
>> Subject: [Elecraft] KX2 speaker/headphone question
>>
>> Hi folks.  I need some assistance.  Is the KX2's headset jack "padded" to
>> protect hearing?
>>
>> I'm asking because I built the "CW Resonant Speaker" in the current QST
>> and it works great but the volume is so low that  it's unusable.
>>
>>
>> Do I have to take the speaker output directly off the KX2's speaker
>> terminals to get more volume?
>>
>>
>> Thanks and 73,
>> Stan WB2LQF
>>
>>
>> Sorry for the bum post; fat fingers!!
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