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Hello all, before posting here I searched all the v 5/8 threads and got alot of good pointers for the build. The antenna does fine with 1.3-1.8 swr on the 1-40 band but when i turn up my wattage beyond 10 watts the swr goes through the roof, can anyone lend a possible idea as to why this is...

Hello all, i have a rci 2990 that was all done up by al at sparkys it can do 50 w dead key and swing 150 and was wondering how well this base would work with a klv 1000p with the svetlana tubes in it. I have a guy near by that has one he's looking to unload and i am thinking of getting it. Are...

I have a friend who's father was a ham he past away years ago and he has some stuff he just came accross and one item is a alpha 87a amp. Would it be worth buying this amp from him for use on 11 meters with my rci 2990 and if I did would I need to get anything done to have it run up to par. I...

I have a rci 2990 not the dx version the older 2990, I was wondering if it's possible to beefen up the power supply and upgrade the finals safely. Has anyone heard of this being done with positive results?

I have been in the market for a tube box for the house that can give me a easy 1kw to run with my rci 2990, I am eyeing one of these up so any input would be great!

Hello all, I am new to the board and would like to ask a few questions if i may. I have been out of the hobby for some years and have just set up an imax 2000 on the roof to go along with my rci 2990 and would like a clean base amp, I would like the ability to crank it up to 1.5kw and do a clean...