[CQ-Contest] CM-500 headset.

DXer hfdxmonitor at gmail.com
Wed Nov 21 19:35:27 EST 2018

Hi Wayne,

Just to clarify, most modern Icoms need an electret element. The SB-40 
is dynamic, so a blocking capacitor is needed.

One plus for the Koss is the lifetime warranty. I don't know if it 
covers the earpads, which seems to be the first thing to 'disintegrate'.

73 de Vince, VA3VF

On 2018-11-21 7:07 p.m., Wayne Kline wrote:
> IMO it my be my Head   but the Koss SB -40 dose not have the same fit of 
> feel of feel of the CM 500.   the Koss suspension support band  is 
> shorter   I have guest opted and with over head lights I like Ito wear 
>   a hat( off glasses glare = Headache ) I  have  them both and the only 
> reason I did not give the Koss SB-40 to my son who plays games is I want 
> a spare    to where while ordering a new  CM 500.

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