[Lowfer] Tech question

[riese-k3djc at juno.com]

check with the Antique Wireless Association AWA
you should be able to get a good set of old headphones
with very good sensitivity fer not much

the ones that use Mica as the diaphragm are good

Bob K3DJC

http://www.antiquewireless.org/

there is a mail reflector list as well

Bob


 
On Sun, 21 Sep 2008 20:16:40 +0100 "J. B. Weazle McCreath"
<weazle at hurontel.on.ca> writes:
> Hello Lowfers,
> 
> Does anyone here happen to know the impedance of the earpiece
> (the listening part) of a standard Western Electric model 500
> telephone set?   I used one as a mic element years ago, but
> I've misplaced the info I had on it.
> 
> I'm wanting to build a "set of cans" for use with a crystal set, 
> and
> need something with a higher impedance than the Walkman style
> of headphones.  Any help would be appreciated, as I've not had
> any success with Google searches.
> 
> 73, J.B., VE3EAR - VE3WZL
> Solar and wind powered
> Lowfer " EAR"  188.830
> EN93dr
> 
> http://www.hurontel.on.ca/~weazle
>  
> 
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