开云体育

ctrl + shift + ? for shortcuts
© 2025 开云体育

Re: Is the LA-1K the best amplifier to pair with the HF-Auto?


 

开云体育

Norm . . .

I don't understand why you are reluctant to purchase an LA-1K when you already have an HF-AUTO.

None of my antennas are resonant and with the HF-AUTO I can operate anywhere in the HF spectrum I wish.

I suspect you have been reading older posts about the SWR BYPASS issue.? As I said in my post a few hours ago, those issues have been corrected with updated firmware.? Any continuing problems lie with antennas and peripherals, not with the LA-1K or the HF-AUTO.

Another thing to consider is that the power supply for the LA-1K is built-in.? No auxiliary box sitting on the floor sucking in dust and animal hair.

As for purchasing a tube-amp, I will only pass along what Tom Rauch, W8JI, designer of Ameritron amps, said at a Dayton presentation a few years back . . . that the quality of tubes received at the factory from their suppliers were of such uneven quality, regardless of source, that they had to throw away 50% of what they purchased, and that going forward he would recommend only solid-state amplifiers.

73,

Kent? K9ZTV



On 11/11/2020 12:38 PM, Norm - KC1BMD wrote:
I guess if I had perfect antennas with SWR below 1.5:1 on all bands I operate (or better), and across the whole band I want to operate, it would be a no-brainer for me to get the LA-1K. However, my antennas are not perfect. Although the HF-Auto handles all I need just fine, I'm concerned that I will be plagued with SWR bypass issues from what I have been reading (even some people apparently having issues when the HF-Auto indicates SWR is well within a good range). I'm thinking a newer style tube amp would be more forgiving in this regard. I will really have to think about this... it's a tough decision for me, given the cost involved.
--
73, Norm/KC1BMD


Virus-free.

Join [email protected] to automatically receive all group messages.