[ARC5] Headphones H-43 B/U

[mac]

Dennis,, Ken, et-al,

20K sounds awfully high for a magnetic headphone.  Crystal unit  
maybe?  "Scot's Headphone Museum Gallery" lists the H-43 B/U at 3000  
ohms see <http://oldheadphones.com/crystal/gallery/gallery2.html>

Dennis D.  W7QHO
Glendale, CA

********************
On Mar 15, 2014, at 6:38 PM, Dennis Monticelli wrote:

> I have a pair and took measurements.  Yes, they are 20K.  They also  
> have
> VERY high sensitivity according to power measurements I made at  
> MDS.  When
> I get home from my business trip I could share the numbers.
>
> Dennis AE6C
>
>