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Re: [Amps] RF-KIT SS AMP

To: amps@xxxxxxxxxxxxxx
Subject: Re: [Amps] RF-KIT SS AMP
From: Herbert Schoenbohm <herbert.schoenbohm@xxxxxxxxx>
Date: Wed, 31 May 2017 14:36:48 -0400
List-post: <mailto:amps@contesting.com>
Interesting amplifier and the price is competitive. What I don't see is the power supply since to do 2.5 KW that would take a massive box with a big transformer and filter. Maybe they stack a bunch of 48volt DC switching supplies some where but that would take up a lot of space. Yet the specs say it run on 12VDC. That would be about 200 amps and wire the size of your arm....someone please explain.


Herb, KV4FZ


On 5/31/2017 1:18 PM, Alex Malyava wrote:
It does have 2kW LPF.
The price is about 2700 without antenna tuner and 3000 with antenna tuner.

I have a google photo album with pictures I took in Dayton -
https://goo.gl/photos/N5FRkh9fG7KHnFzr5


On Wed, May 31, 2017 at 9:48 AM, <w8hw@xxxxxxxxxxx> wrote:

It is also missing LPF (Low Pass Filter) and that is most important, You
will need a minimum of 6 filters. Additionally you will need either a 6
position wafer switch or will need to build communication path to you your
exciter for filter selection. Perhaps other hardware.

73, Bruce, W8HW
=========================

-----Original Message----- From: Jim Monahan
Sent: Wednesday, May 31, 2017 08:26
To: amps@xxxxxxxxxxxxxx
Subject: [Amps] RF-KIT SS AMP


With all of the discussion recently about SS amps, here
is one that might be worth checking out:

http://rf-kit.de/en/2k_Kit.php

RF-KIT, a firm based in Germany, was exhibiting a legal-limit HF Amplifier
Kit at the Hamvention. The unit on display was using two LDMOS power
devices and sported a 7" color touchscreen for amplifier control and
status. The kit includes everything necessary to build the amplifier except
the Raspberry Pi 3 CPU, and three fans. The company's literature states
that it can be built in less than a day.

Jim, K1PX

K1PX at msn.com
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