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Reviews Categories | Amplifiers: RF Power - 6M/VHF/UHF+ | W6PQL 2 Meter Kilowatt Linear Amplifier Help

Reviews Summary for W6PQL 2 Meter Kilowatt Linear Amplifier
W6PQL 2 Meter Kilowatt Linear Amplifier Reviews: 3 Average rating: 5.0/5 MSRP: $2500
Description: Here is the all new custom 2 Meter Kilowatt Linear Amplifier built and designed by Jim/W6PQL. Uses a single 50v LDMOS transistor made by Freescale Semiconductor, the MRFE6VP61K25H. With as little as 2 watts in you can have over 1000 watts out. Rated for SSB/CW/WSJT modes. Internal fans, swr protection, alc circuit and LNA switching. Requires an external 50 volt power supply capable of 30 amps.
Product is in production.
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AA2UK Rating: 5/5 Dec 31, 2017 03:45 Send this review to a friend
a bit later  Time owned: 6 to 12 months
I'v now been using this amplifier for almost a year. It still performs like day one as it should. Getting this amp delivered in a modular form I saved almost half the price as the amp delivered as a total package. There are now devices that Jim uses to deliver legal limit output on 2 meters.
Tnx Bill, AA2UK
AA2UK Rating: 5/5 Mar 26, 2017 19:29 Send this review to a friend
Fantastic  Time owned: 0 to 3 months
I ordered the assembled 2 meter deck w/ the BLF-188XR. I had Jim place the RF deck on his Aluminum heatsink. Jim assembled, tuned and mounted the LO Pass output filter, a 10db input attenuator and 3 cooling fans. I added my own sequencer, LNA 12vdc injector, Totsu relays, a Bird dual line section and the DC and control cabling. The amps fantastic I've used many high power 2 meter amps in the last 20 + years. This one's the charm.
Jim great job and thank you for working w/me to deliver the amplifier assembly.
73 Bill AA2UK
N0YK Rating: 5/5 Feb 14, 2012 12:14 Send this review to a friend
Awesome!!!!  Time owned: 0 to 3 months
Wow! I've tried many 2 meter amplifiers in the past ten years in the hobby and Jim's new one kilowatt is by far one of the nicest I've owned. So many features to list here:
- Compact cabinet design (6.5 x 12 x 12 inches)
- Full VSWR and over-temperature protection
- Metering for PA voltage & current, with
- Peak-reading LED bar graph meters for forward and reflected power.
- Full t/r sequencing
- Low-loss high-power antenna relays
- ALC output for the driver
- Low-noise temperature-controlled cooling fans
- Front-panel AC switch for it's external power supply

I hooked a HP Blade type 50 volt power supply to this amplifier. I flip the switch on and it take about 3-5 seconds for the power supply to boot and come up to voltage then I'm ready to roll. The amp is quiet and the ALC soft start circuit is amazing. Gradually brings the amp from zero to over a kilowatt in under a second. Blocks the radio output until all relays have closed and LNA out of line, then brings power up. This amp loafs along at the 1 kilowatt power range. Very Nice build by Jim!!

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