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Reviews For: VK-AMPS VK-2KW SS HF AMP

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

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Review Summary For : VK-AMPS VK-2KW SS HF AMP
Reviews: 2MSRP: $320 AUD
Description:
8 device Amplifier (8 x MHT-1803, 8 x devices
Product is in production
More Info: https://www.vk-amps.com/
# last 180 days Avg. Rating last 180 days Total reviews Avg. overall rating
1525
VK4KX Rating: 2023-03-11
Great Touch Screen Amp Time Owned: more than 12 months.
Love this amp, it really completes my shack.

When I bought it I had to provide my own flat back 53V DC power supply mounted externally but now Onder is producing them complete with internal power supply which is perfect. Thoroughly recommend this amp, for the price you get either a Kit or a fully constructed and tested unit. With my 1KW unit I have the full legal VK power limit of 400 watts for very little effort from my exciter radio either on HF or 6m. It does however have the occasional trip out for which I need to perform a quick reset on it, otherwise it's perfect. It likes an SWR of 1:1 or less than 1.5 otherwise reflected power will shut it down, so an external tuner is a must just to make sure, so it has good safeguard protections.
The touch screen makes it easy to operate with no warm up time like valves and easy band switching via cable connection to my Yaesu FTDX-3000, so when ordering your amp tell Onder your radio and he can supply an interface cable for you.
VK4SX Rating: 2022-05-08
Excellent design with Budget Friendly RF Devices Time Owned: 0 to 3 months.
Very nice stable Sold State amplifier, customized fully completed and tested, or Kit form.

Ok guys, I have added a new toy to the toy shop, it is an Australian made TOTALLY, SOLID STATE 8 X LDMOS Amplifier,
So now my shack is Made In Australia, VK-AMPS SS AMP, APACHE-LABS ANAN 7000 DLE MKII X 2. ES4 Shack mangement electronic switching,

this is a VK3AMP designed Touch Screen SS amp, chassis is cut by Builder, Onder Arder VK3AMP, (www.vk-amps.com) with his own CNC machine,
This AMPLIFIER is designed from the feet up and hand built by Onder, all filters, everything is built and tested,
the new SMP PSU is state of the art SM PSU system available,
the filter boards with HEAVY Thermaleze at $900 aud per roll, Bifilar windings for EXCELLENT Results,
3 Antenna ports, wonderful software, CNC chassis, C-19 IEC Power plugs everything is superb,
A HUGE DIGIKEY single heatsink , selected as per Cooling ratings, to companion the Huge 2 Speed 140mm fan,

the Devices used are LDMOS devices, 8 units to be exact, these units are classed as MICROWAVE FOOD HEATING, are EXACT FULL TWIN to LDMOS MRF-300 at 1/2 of the cost,
4 devices per pallet which are FIELD SWAPPABLE,

since the availability of the LDMOS and MOSFET RF devices many hams world wide have been home brewing SS amps, of course there are to many KIT PARTS for SS amps to even list,
Onder also produces Kits for HB projects,

well all PCB's are designed in Melbourne, info is then forwarded to PCB manufacturer so the PCB boards come back BARE NO COMPONENTS,
then it is populated by hand by Onder,

High Volume 140mm Roller bearing 2 SPEED FAN, expensive HIGH VOLUME cooling fan,

NO RF SENSE, all BCB data band switching, OR manual button push, ABSOLUTELY NO CHANCE OF HOT SWITCHING or bouncing relays for rf sense boards,

Onder is designing a BAND SWITCHING BCB board to suit the APACHE LABS ANAN series as they use a different configuration,
BCD data board as standard.

so a very very sophisticated Safety SMART MODULE for all protections, EVERYTHING,

www.vk-amps.com...............Onder Arder VK3AMP.

Please disregard the Price Listed, I had left it MT in preview etc,
Onder has 120 Kit Amps in circulation world wide, and some dozens fully built 1KW / 2KW amplifiers,
7" Colour Touch Screen is wonderful, every safety feature invented is incorporated in design,
6dbd pad on Input for 35w drive for full output,
VK-2KW HF Amplifier has a -55/60db RF sniffer for APACHE RX2 input for amplifier correction.

Yes I own one of these amps, Nice to have access to Instant On Amplifier,
it is a great addition to the shack, and works 100% with ANAN Adaptive Pre-Distortion
any interested parties please contact Onder as there is different configuration of this design, 4 x Devices 1kw, 8 x Devices 2kw, internal / external PSU, case size's and pictures on qrz.

Dennis VK4SX