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Reviews For: DX World-e 1000W HF/6m LINEAR AMPLIFIER

Category: Amplifiers: RF Power - HF & HF+6M

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Review Summary For : DX World-e 1000W HF/6m LINEAR AMPLIFIER
Reviews: 2MSRP: 1420€
Description:
1000W HF/6m LINEAR AMPLIFIER LDMOS 4x MRF300 NXP RF INPUT: 0-100W RF OUTPUT: 0-1200W MAX 160-6m BAND ALL MODES
Product is in production
More Info: https://www.dxworld-e.com/product-page/1000w-hf-6m-linear-amplifier-1
# last 180 days Avg. Rating last 180 days Total reviews Avg. overall rating
0024.5
SV8DJW Rating: 2022-08-31
Piece of Art Time Owned: 0 to 3 months.
1.2 KW amplifier, FULL AUTO (160-6m) arrived 2 days before a critical contest.

Weekend event, summer with 41 degrees C, 12 hours continually from 300-500w non stop the first day. 500w continually the second day all modes.
This amplifier is so well built that work like a tank.
Full auto with extra decoder. You click N1MM to a frequency and amp change bands automatically. Nothing to tune. It has auto band IN/OUT filters.
The owner SV2RIF has spend a lot of hours to design this beauty.
Full protection (swr, voltage, amperage, wrong voltage, wrong power, wrong antenna,no antenna etc).
Another big plus is that the switching power supply (50V), for those amps, you can buy it only for $50 !!!!!
Some people say about the fan noise, its not so loud. its for protecting the item. I would add another one fan. Summer in Greece with 41 degrees C , its very hot, and you need fans. You can not go wrong with this amplifier. i can not wait to order another one and a combiner to go easily 2.4 KW.

Proudly made in HELLAS.
DL4QB Rating: 2022-05-17
Great HF Amp +6m Time Owned: 3 to 6 months.
Hello,

I am surprised that I don't see a review for this amplifier here yet. Well, here is my review after about 6 months.

The amplifier is a HF / 6m amplifier of the 1000W class. The case is a bit bigger on the 1kW unit than it suggests.

The amplifier is built with 4 x MRF 300, which are very robust. They are specified up to 250MHz, so that HF is no problem at all.

My Pros:

- Automatic band switch (optional) via CAT, works fine
- 2 x antenna outputs, switchable (not via CAT)
- Circuit board and housing are built in such a way that you can repair it yourself at any time with a little experience. Which is a huge plus for me!
- The transistors are easy to reach and are absolutely affordable, should there be a defect any time
- The protection circuit, temperature, high SWR, too high current consumption, etc etc works perfectly, I had by my own mistakes the protection circuit triggered determined already 20 times, works without problems and very well.
- 6m deliver also the full 1000W
- With the amplifier is a complete wiring diagram with all values. Where do you get that yet, absolutely great!!!
- The price is much less than others, for me a good choice.


My Cons:

- The fan is definitely too loud!!! But, it's all very easily accessible in the case, I swapped it for another one, with its own regulation. Thus, the amplifier is now barely audible at SSB, if it must then be digital, then the speed is just automatically upregulated.

- The two antenna outputs should be switchable via CAT, no big problem for me, but would be desirable.

- CW you have to make an adjustment, swap a resistor, also easily achievable. There is a small delay board, this delay you can adjust a little bit more, then CW also goes without problems.

- No QSK, I don't need it, but a pin diode switch would be really awesome and it is not difficult to do.

Please use a strong 50-57V power supply with enough power! 2500W should do it.