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AMPHF - QRO HF-3KDX with Spare Tubes I have for sale a QRO HF3KDX 10-160 meter amplifier that was converted by Ray at QRO to a dual 4CX800 when the original 4CX1600 failed. That was the request of the original owner which is who I bought this amp from. 15-20 watts gets you 1500+ out and this amp will make alot more. The best way to describe this amp is it is a HF2500DX but with higher plate voltage of almost 4KV measured at the tube. It's to heavy for me to move and also to ship so the sale will be pick up at my QTH and test the amp first. Once tested and you leave with it, it is your amplifier as I can't control how you use it or abuse it. The amp comes with a spare set of 4CX800 tubes. I bought this amp about a year ago and works great. Please email through QTH system first before calling because I won't answer if I don't know who it is. Price is $2500 for all picked up and tested. Listing #1753922 by W5LW Submitted on 12/28/25 Submitted from IP 98.96.149.167 Click to Contact Back to Previous Page

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