[Elecraft] KX3 - The rectangular hole on the back of KX3

Hi everybody, I have KX3-F with Serial #029. I have also the same question; what is the empty rectangular hole on the back of my KX3 which I can see the inside of the KX3 clearly? Is my KX3 missing the rear heat sink? Do I need to do something for that? 73, Ruchan Ozatay, TA2AH

Re: [Elecraft] KX3 - The rectangular hole on the back of KX3

Yes, send to pa...@elecraft.com and request he KX3 heat sink. 73, Don W3FPR On 7/5/2012 3:23 AM, Ruchan Ozatay, TA2AH wrote: Hi everybody, I have KX3-F with Serial #029. I have also the same question; what is the empty rectangular hole on the back of my KX3 which I can see the inside of the

Re: [Elecraft] KX3 - The rectangular hole on the back of KX3

It would appear that the heat sink was added after the first several production units went out. I would wonder whether the early models have the holes in the bottom cover to accept the heat sink? If not, a bottom cover would be needed also. To be sure, I would ask this question when corresponding

Re: [Elecraft] KX3 - The rectangular hole on the back of KX3

No change to the bottom cover, Bruce. The heat sink mounts using the four holes that are already present: one at each end and two for the transistors. 73, Ron AC7AC -Original Message- It would appear that the heat sink was added after the first several production units went out. I