On 6/4/2011 11:45 AM, Lou Kolb wrote: > You'd also be well advised, if its an unamplified D-104, to add one of the > op-amp matching circuits which can be powered from the K3. As a pro audio engineer, I would advise trying the D104 straight into the K3 and using TX with someone listening to you carefully on the air before going any further. 73, Jim Brown K9YC