[Boatanchors] Best Headphone Impedance for SX-42

[Al Klase]

Fred,

The phone output is capacitively coupled from the plate of a 6SC7 triode 
with a 220 Kohm load resistor, so I'm pretty certain they had a "2000 
ohm DC-resistance" headset in mind.

A "2000 ohm" headset actually has an impedance of something in the 
neighborhood of 10-12 K, while with a "600 ohm" headset, your talking 
about an AC impedance, so the difference is greater than it appears.  
Take an ohmmeter to the headset in question, and multiply by 10 for 
approximate impedance.

Al

On 7/14/2013 10:43 PM, Frederick Bray wrote:
> What's the best impedance for a set of headphones to use with an 
> SX-42? I looked at the manual, but I didn't notice any specifications.
>
> I am thinking that it might be either 2000 or 600 ohms, but I could 
> easily be wrong.
>
> Thanks.
>
> Fred
> KE6CD
> ______________________________________________________________
> Boatanchors mailing list
> Home: http://mailman.qth.net/mailman/listinfo/boatanchors
> Help: http://mailman.qth.net/mmfaq.htm
> Post: mailto:Boatanchors at mailman.qth.net
>
> List Administrator: Duane Fischer, W8DBF
> ** For Assistance: dfischer at usol.com **
>
>
> This list hosted by: http://www.qsl.net
> Please help support this email list: http://www.qsl.net/donate.html

-- 
Al Klase - N3FRQ
Jersey City, NJ
http://www.skywaves.ar88.net/