[Elecraft] K3: anyone using Sennheiser HMD 280 Pro?

[Tim]

Hi All,
The Koss SB40 is fine with the K3 if you remove the nasty dynamic insert 
and replace with an eletret insert.  This is an easy job for the K3 as 
the bias components are already built in, and you only need two conductors.
73
Tim
gm4lmh


On 14/06/2013 07:40, Josh Fiden wrote:
> I haven't used the Koss SB40, but looking at pictures online they are 
> not identical to Yamaha CM100. The ear cushions and the microphone 
> look different.
>
> 73,
> Josh W6XU
>
> On 6/13/2013 10:31 PM, Wolf E. Rose wrote: