[Elecraft] Will there be a K4

[Dave Cole (NK7Z)]

Hi Jim,
Thanks for the detailed response!

73s and thanks,
Dave (NK7Z)
https://www.nk7z.net
ARRL Technical Specialist
ARRL Volunteer Examiner
ARRL OOC for Oregon

On 3/24/19 7:54 PM, Jim Brown wrote:
> On 3/24/2019 4:41 PM, Dave Cole (NK7Z) wrote:
>> Have you found a good speaker for the K3?  If so, which one is it?
> 
> For any serious operating, I always use headphones. Speakers are for 
> casual monitoring. If I were to recommend a speaker, it would be: 1)for 
> one with very smooth frequency response between 400 Hz and 5 kHz; 2) 4 
> ohm impedance; 3) a small diaphragm, and 4) high voltage sensitivity.
> 
> Contrary to popular misconceptions, wider range response is not a bad 
> thing.Smooth response in the speech region is important. 4 ohm impedance 
> means it will receive more power from the K3. A smaller diaphragm 
> provides smoother off-axis frequency response, high voltage sensitivity 
> means it will be louder. BUT -- #3 and #4 are conflicting design specs 
> -- smaller diaphragms have lower voltage sensitivity.
> 
> I've used small hi-fi and pro loudspeakers and like the sound, but they 
> burn too much space on my operating desk now that I have three video 
> monitors (two P3s, and an extension of the computer's desktop). I 
> replaced them with little black cubes a few inches that I bought as a 
> box of 10 at a Chicago area hamfest about 15 years ago. They're plenty 
> good enough for my needs. I also use them in the car for my 
> dual-transceiver FM rig, strapped to the two posts on my headrest (two 
> of them so that  I can tell which transceiver the audio is coming from).
> 
> 73, Jim K9YC
> 
> ______________________________________________________________
> Elecraft mailing list
> Home: http://mailman.qth.net/mailman/listinfo/elecraft
> Help: http://mailman.qth.net/mmfaq.htm
> Post: mailto:Elecraft at mailman.qth.net
> 
> This list hosted by: http://www.qsl.net
> Please help support this email list: http://www.qsl.net/donate.html