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Categories | Amplifiers: RF Power - HF & HF+6M | Hardrock-50 HF+6M Solid State Amplifier Kit Help

Show all reviews of the Hardrock-50 HF+6M Solid State Amplifier Kit

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N5LDX  Rating: 5/5 Dec 31, 2013 08:01  Send this review to a friend!
Great QRP station addition.  Time owned: 0 to 3 months
Kit shows quality design and was very easy to follow the step-by-step assembly instructions.
I had a 20/17 meter low output problem due to two wrong SMT capacitors types and low output on 6 meter due to one extra turn (6 instead of required 5) on the 6 meter output filter torod.
Jim Veatch, WA2EUJ, the designer of the amplifier suggested I let him look at the issues and fix the problems. He turned the amplifier around in a day after receiving it and it now puts out 50 watts on 160 through 6 meters with 2.5 watts drive. Great product support from Jim!
The amplifier is just what makes my FT817ND perform when needed during difficult band conditions. I operate the entire portable setup with an endfed antenna with a 9:1 balum, and a small MFJ switching power supply for the FT817ND and Hardrock-50 amplifier.
This will be my QRP protable setup for those remote operation conditions while traveling. The extra power makes this setup work for good and reliable contacts when away from the home station. 
Product is in production.
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