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Reviews Categories | Amplifiers: RF Power - HF & HF+6M | Ameritron AL-811 Help

Reviews Summary for Ameritron AL-811
Ameritron AL-811 Reviews: 170 Average rating: 4.5/5 MSRP: $650
Description: Uses three tough 811A transmitting tubes
Product is in production.
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W2YM Rating: 5/5 Oct 13, 2015 22:51 Send this review to a friend
GREAT LITTLE AMP  Time owned: more than 12 months
Great amp this little ALS-811. I have had know problems. with it at all. I am heard all over when using it.
W8EDW Rating: 5/5 Jul 10, 2015 10:50 Send this review to a friend
Better than expected!  Time owned: 6 to 12 months
I purchased the AL-811A about 6 months ago after having problems with my IC-2KL. I was a little cautious about purchasing a tube amp. Here is my set up: Icom 735, AL-811A, SGC-235 Antenna Coupler at the base of a ground mounted LDG S9V43 43' vertical. I am amazed at the performance of this combination with this amp. Absolutely no problems. Just take your time and tune the amp according to the manual. If I can hear 'em I can work 'em. Way to go Ameritron! What a great old design that just keeps working.
K9ILL Rating: 4/5 May 24, 2015 05:09 Send this review to a friend
Pretty good Amp  Time owned: more than 12 months
Worked great at first but tubes only lasted a short time. Replaced the 811-A tubes with 572-B's and they lasted about a year and had to replace them. Went back to 811-A tubes. Maybe I'm not tuning the amp correctly.
I haven't used the amp for a long time but last night I turned it on and a station in Florida asked if I had added something in line.
I told him I just turned on my Amertron 811.
He said the difference was like "Going from mud to ice cream"... whatever that meant. lol
I love my Ameritron 811 and would recommend it to anyone. I can re-tube it for about $65 and I always keep a few sets of tubes around. The reason for the 4 rating is for replacing the tubes.
KF5HVW Rating: 5/5 Mar 18, 2015 09:07 Send this review to a friend
Great Value  Time owned: more than 12 months
This was my first Linear Amp. It is very well built,
relatively low cost and works very well. I have had
several minor hardware issues with one of the meters and a switch. Ameritron's technical support and parts replacement was excellent.
VK5AGC Rating: 1/5 Jan 30, 2015 13:57 Send this review to a friend
Not very good.  Time owned: 6 to 12 months
I have had this has amp for some time now and only used it once. It started blowing a fuse now, and I discovered one of the tubes had blown out...Not bad for only using it once.
VA3MLV Rating: 5/5 Jan 14, 2015 23:41 Send this review to a friend
Update  Time owned: more than 12 months
Updated review for the AL811A Linear Amplifier is more less like the previous review I posted awhile back, but the difference now is the antenna which is a full wave 80m delta loop & the W2IHY 8 band EQ + Noise Gate. The amp is still wired 220V, still connected to one of the Transceivers which is mostly only used on 40m & 80m so don't really use it much anymore on the higher frequency HF bands. Used lately only on 80m with 40-45 watts of drive.
KC7MF Rating: 5/5 Jul 17, 2014 21:12 Send this review to a friend
Works Just Fine  Time owned: more than 12 months
I bought this used but in good condition. Shortly after it arrived I lost one of the tubes. I am fairly sure the previous owner may not have been all that easy on them. I put in a new set from RF Parts and the amp worked perfectly.

I am not easy on this Amp. Though I don't push it much over 500 watts I do tend to move up and down 20 meters without touching it to retune. I am into an antenna that is good across the band. I don't recommend this to others of course.

I get good signal reports and good audio reports. The fan is noticeable but not that loud. I have had it almost 3 years and it has worked without a hitch. The standby/operate switch is a tad loose now but works fine.

So what is not to like? This amp is affordable, reliable and easy to operate. I don't like to compare it "for the price" because I would expect no more from a much more expensive amp. So get one. Busting pileups is fun. You can't go wrong and MFJ stands behind their stuff.
KF7VXA Rating: 5/5 Apr 24, 2014 21:05 Send this review to a friend
Great Value  Time owned: 3 to 6 months
I've read many of the reviews. It seems some have trouble and others don't. Could be a QC issue, can't really say.
Mine has been great. From the first time I turned it on. It loads up fine, although I may add the capacitors for 80 meters. It loads, but could be better.
The thing is, when you price amps today, they cost an arm and a leg. The 811 is an amp most people can afford and 600 watts is just as good as 800 watts and in reality, not much less than 1K.
I happened upon some new RCA tubes and bought them for a good price, thinking that the amp might work better with some real quality tubes. I found absolutely no difference at all. They will most likely last for years, but no improvement in power or anything else.
If you get one without any problems, it's about the best deal going. If yours has a defect or poor workmanship, no doubt it's a disappointment, so get it fixed and you'll have a very good amp for the money. One that will make the difference when needed. I've had none of the problems some have had and think it's a tried and true design.
For under $700.00, new and delivered, I think it's a wonderful amp and would not hesitate to buy another.
Even with a problem or two, once fixed it's still far cheaper than you would pay for many other new amplifiers.
In my opinion, if I have to pay over four thousand dollars and up for an amp, I should get out of the hobby. I guess if you have a fat wallet all of the time it's no big deal, but 600 watts has been just fine for me. I really cannot think of a time that a full gallon would have got me a contact that could have been missed with 600 watts. I suppose there would be an exception to that, but very few.
I also get good clean signal reports. If you just go a little over peak power to where it just starts to drop off when adjusting it, you get a very good sounding signal. It's the guy who has to have every last watt the amp can put pot who is splattering.
It's a lot of amp for $700.00, especially when compared to one that costs 3 times more for 400 more watts. The guy at the other end hears very little difference, maybe a half of an S unit. Half an S unit, stop the presses, I got 1/2 of an S unit over and amp that is a third of the price. Lets get real.
N0MEU Rating: 5/5 Jan 26, 2014 09:26 Send this review to a friend
Good Amp  Time owned: 0 to 3 months
My first amp. Worked out of the issues other then the fan noise being louder then I expected. If I could, I would give it a 4.5 due to the fan noise.
AA4WB Rating: 4/5 Jan 25, 2014 04:06 Send this review to a friend
Cost vs Performance: high value  Time owned: 0 to 3 months
I am amazed that this little amp does what it does for the cost. It is really hard to beat. Sure there are bigger better amps but the cost from DX Engineering and free shipping I got... hard to beat. It came with a scratched knob but DXE and Ameritron replaced promptly. My only complaint, and I would give "5" otherwise, is the loud fan. The fan noise (not air flow but metal cabinet rolling sound for lack of better explanation) is annoying. I bought headphones to cover my ears and it is still annoying. Other than that I would recommend buying this little amp.
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