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Reviews Categories | Amplifiers: RF Power - HF & HF+6M | Alpin 100 Mk III Help

Reviews Summary for Alpin 100 Mk III
Alpin 100 Mk III Reviews: 9 Average rating: 5.0/5 MSRP: $3200
Description: The linear amplifier Alpin 100 is designed for all HF amateur bands from 1,8 50 Mhz. It is equipped with metal ceramic tetrode 4CX-800A (GU-74B). The Alpin 100 contains a build in microprocessor which monitors all important parameters and show them to the LCD display. It realize also protection system, which can avoid damages.
Product is in production.
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MM0IMC Rating: 5/5 Nov 28, 2017 01:23 Send this review to a friend
Love The Workmanship!  Time owned: more than 12 months
I decided to try a NOS Russian GU74B tetrode that I had sitting on a shelf for two years in the amplifier yesterday evening. After conditioning that valve(tube) for about five hours with just the heater voltage applied, I put the other valve in.

It gave me 1.3kW+ on HF and 1kW on 6m into a large oil can dummy load. This is the same as the original valve that came with the amplifier.

It's the first time I've had the lid off the amplifier in over two years since I first bought the amplifier. All I can say is that I'm still amazed at the quality of the engineering and workmanship that I saw inside, this thing should last for many, many years!
MM0IMC Rating: 5/5 Oct 7, 2017 09:23 Send this review to a friend
Very Reliable!  Time owned: more than 12 months
Dependable, reliable and just keeps on giving!

I was looking at buying the bigger version, the Alpin 200 model. But unfortunately you can't buy this directly from a UK dealer. You have to buy it from the company direct. That's a shame as it cuts out a lot of people who'd like to buy this amplifier on hire purchase terms from within the UK!
SQ8JLN Rating: 5/5 Sep 28, 2017 04:37 Send this review to a friend
Best of the best in the amplifier class 1kW  Time owned: more than 12 months
I use Kenwood TS-590SG + ALPIN 100MKIII and now all dx-expeditions i do very fast.
I have ALPIN 100 MKIII about 1,5 - 2 years this fantastic amplifier.The my experience is that I would not exchange with any other PA this class. Only plan on switching to ALPIN 200 for next year. :) Very high performance in all bands and power output exceeds far beyond that declared ( normal 1300W to max 1400W PEP SSB, CW) with 60-65w input & 1000-1100watt DATA mode with 50-55w input. Super-ventilated never exceeds 55 - 60 degrees SSB CW in the contest on CQ RTTY max 65 - 70 degrees.
Very good value for money, super quality materials used, wery easy and quick tuning ( 2-6 seconds) very well protected. Fan speed is controlled according to the temperature inside the unit.
The Alpin100 is a very similar construction to another Bulgarian amplifier - the Acom 1000. The difference is that Alpin100 uses a more powerful power supply and a more efficient cooling system with a rear wall fan, which is standard (Acom is available as a premium option). The microprocessor-based amplifier controller, along with a front LCD display, enables efficient monitoring of the unit's performance, monitoring its parameters and facilitating the tuning process. When the tuning point deviates significantly from the optimum, the power reduction circuit is switched on. The amplifier has a variety of protection devices to protect it from damage if abnormal operating conditions occur. The amplifier uses an EBS electronic polarization system to reduce the anode resting current at low RF power. This solution, similar to some Ameritron Amplifiers used in some models, limits power losses at SSB and CW emissions.
sorry for my English :)


EI3GC Rating: 5/5 Apr 3, 2017 06:38 Send this review to a friend
Nice AMP  Time owned: 3 to 6 months
I have used the Alpin 100 for the past six months on all HF bands into a HBrew Triband and Wire antennas for HF It will match all antennas pretty well as long as they are close to the 4 to 1 impedance swing so the amp does away with the need for an ATU.The amp takes a bit of geting used to and can be a bit fussy on tuning so keeping a good record of tune and load setings is a great help for fast band tuning The swr and Band TX protection really work and prevent the nut in front of the radio from doing to much damage hihi I purchased this amp second hand and had a few questions for the Bulgarian /German makers and found them very helpful,Its a nice amp and delivers on RTTY without any problems

GW1GVM Rating: 5/5 Dec 28, 2016 06:49 Send this review to a friend
the best  Time owned: 0 to 3 months
had the amp about a month now bought direct from alpin and it arrived about a week later in two boxes very easy to assemble just a few cables to plug in and away you go,very easy to tune nice big display which is great for the older eyes, runs very quiet just cant fault it well made looks great fantastic bit of kit in the shack
MM0IMC Rating: 5/5 Jun 11, 2016 03:46 Send this review to a friend
Keeps on Giving!  Time owned: 6 to 12 months
I've been using with amp since the back end of last summer and it just keeps on giving, without missing a beat!

I've used it on 40m, 20m, 15m, 12m, 10m and recently on 6m for Es.

I wish I'd bought this from the start and not the Ameritron 811H that I had previously...
G0SMH Rating: 5/5 Nov 6, 2014 12:51 Send this review to a friend
Great Amplifier   Time owned: 0 to 3 months
I have been looking for amplifier that works on HF and 6 Meters. And found this one what a great amp I bought this amp from these guys
Very good service and price will use again thanks Dan for all your help you can't go wrong.

SP7IDX Rating: 5/5 Jan 23, 2014 13:06 Send this review to a friend
Superb Build Quality   Time owned: 0 to 3 months
Why is the ALPIN 100Mk III first choice:

- Very good value for money
- Nice finish
- Quality materials used
- Less expensive tube ceramic tetrode 4CX-800A (GU-74B)
- Large easy LCD display with handy info -4 positions showing status at a glance.
- Easy and quick tuning
- Pout over 1,3KW
- Runs cool and silent
- Six meters is certainly a plus
- Good Protection for Dummies

So for me the ALPIN MkIII to stay in my shack and my dx expedition!
A perfect buy! It is an amplifier which I recommend to 100%
Waldi SP7IDX
G0MGX Rating: 5/5 May 10, 2013 09:09 Send this review to a friend
Great Performer  Time owned: 6 to 12 months
Follow up review now I have had the amplifier 7+ months. I have used the amp in a number of RTTY contests and some casual operating.

I have found that this linear delivers repeatedly and flawlessly - it is a pleasure to use and easy and consistent in tuning and performance.

On a number of occasions I have tested the in-built protection through user errors and have nothing but praise.

If you are considering an amp in this league then this is very much worth consideration. Great bang for buck!


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