[Elecraft] [K2] K2/100 - where does all the hot air go?

2007-10-16 Thread Stephen Prior
I have the 100W amp mounted in an EC2 enclosure, all working great now, no small thanks to Don! I have a question. The little fan on the back seems to push air into the unit, yet there is no obvious exit for it. Or am I missing something? Almost seems like I need an automatic vent popping up at

RE: [Elecraft] [K2] K2/100 - where does all the hot air go?

2007-10-16 Thread Darwin, Keith
Where does all the hot air go? Why into the mic, of course LOL! Actually, when the KPA is mounted in the rig, there is space along the front of the heat sink, right where it meets the stubby little front panel. Probably the same in the EC2. Yes, the fan (whizzer!) is loud and annoying. I

Re: [Elecraft] [K2] K2/100 - where does all the hot air go?

2007-10-16 Thread Don Wilhelm
Stephen, The air exits just behind the front plate - through the fins of the heat sink. There is lots of exit area, no need to worry. As far as just how fast the fan comes on, that depends on the temperature (of the heat sink at the PA transistor locations). CAL TPA must be set in the

Re: [Elecraft] [K2] K2/100 - where does all the hot air go?

2007-10-16 Thread Stephen Prior
On 16/10/07 20:55, Darwin, Keith [EMAIL PROTECTED] wrote: Where does all the hot air go? Why into the mic, of course LOL! I should have expected that! In my defence of course, I can add that although I have the mic plugged in, it hasn't been used yet! Now that I have been prompted