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Hardrock 500 #eladduo
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willie b <kg4zqz@...>
whew! i use the inexpensive MX-P50M w/my Duo, along with an LDG Z11... 2W in gives ~40W out, depending on band... autotunes nicely thanks to Z11's 60W max, but alas, no auto bandswitching
i like that everything is compact and works well w/my lightweight 12Ah lifo that hardrock looks pretty though... bill |
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Yes, you have to buy the RF Deck board or supply your own. The support kit has supplies that will supply 50-60 volts and a heat sink and heat speader that will work with a number of RF Amps. I see them on Ebay frequently. The RF Amp board does include the MOSFets, they are about $250.
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James Allen
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John K5MO
Don't you then have to buy the $500 RF amp board too? On Thu, Dec 17, 2020 at 11:59 AM James Allen <jim.allen60@...> wrote:
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James Allen
Just got this today,
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This is a HF RF amp that works with the Elad 5 watts in 500 watts out with an antenna tuner… It’s a bit pricy at $1,200.00
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Just a note that the Hobby PCM Hardrock 500 Power Amplifier Support Kit is now available for sale. The support kits contains everything you need to home brew a 5w to 500w amplifier. I have completed mine, and it works beautifully with the Elad FDM-DUO. With the FDM-DUO set to 5 watts it will drive the HR500 makes 500 watts to the antenna. Using the FDM-DUO interface from Hobby PCB the amplifier band switches with the DUO.
A internal antenna tuner will be available shortly for the HardRock 500. This combination makes for a great and compact portable station with a big punch. Have a look at: https://www.hobbypcb.com/index.php/products/hf-radio/hardrock-500-power-amplifier-support-package DE N4RFC |
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