45W HF Power Amplifier For YAESU FT-817 ICOM IC-703 Elecraft KX3 QRP Ham Radio Nice amplifier all though i have yet to get 45 Watts out and i am using a samlex SEC-1235M, 35 amp power supply, I can get about 16 to 20 watts out of the amp, which is ok by me, because it works well with my Z-817 Autotuner witch has a maximum power input of 20 Watts. the Amplifier only draws 7 amp's! work's nice with battery power in the car with my Yaesu FT-817ND or at the campsite or as a back amplifier for a little more power. All and all its well built and dose the job and has all the inter connection cables for the FT-817ND the power connector is fused. The amplifier has auto band switching and has a cat cable included. and the best thing is the price is only $158.00 USD.
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It´s a very nice device, I´m using this together with a FT817ND and I´m pleased with the queue for the following restraints ;-)) The PA reaches the 45W not on all bands, but 30W minimum is sure. The difference on the counterpart station is not real, but I will appoint this. The DC- current is, depending on the power, 6,2 to 8,6A Look to it that there is no big cooler- box. Maybe you will need something. esp. on digi- mode. Do´nt try to transmit on false band- tuning. Your SWR- meter said maybe the power is higher, but if you are transmitting the harmonic frequency maybe the impedance of the filter is false and the PA will warm up ! Remain, if you are using the ACC jacket for other things (me: a tuning helper), you must have a connector splitter. Question: where is it possible to buy ? And now my secret: I had opened the PA ... very clear construction and workmanship, what a joy ! What I´m missing: a schematic circuit plan. 73 de DL6MJVVollständige Rezension lesen
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Very nice amplifier for the money. I would recommend it to anyone.
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The amplifier works as advertised.
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Makes the 817 much more usable. nicely made and looks good. Honest 45 watts out on 20 meters.
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