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Author Topic: Small amp  (Read 499 times)
N8DV
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Posts: 60




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« on: May 13, 2008, 05:12:00 AM »

I am looking for a nice small amp. I don't want the full gallon. Around 400 to 500 watts. Currently, I use 100 watts but that doesn't always get through especially on 40 meter phone. I was thinking of getting a regular amp and then running it at 400 to 500 watts.
Any suggestions? Thanks es 73
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WW5AA
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Posts: 2086




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« Reply #1 on: May 13, 2008, 06:17:16 AM »

If your looking for new, the Ameritron, AL-811 is about the best deal going. Tubes are cheap, and 400/500 out gives some headroom. I have one that I loan out all the time and I'm sure it has been abused at times over the last 6 years.

73 de Lindy
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N9AOP
Member

Posts: 141




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« Reply #2 on: May 13, 2008, 06:29:37 AM »

I have the 811H and have used it for 3 years almost every day on MARS where the speed limit is normally 500 watts.  It is forgiving and keeps working.  

Either one of the 811 models will serve you well.
Art
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AE5I
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Posts: 124




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« Reply #3 on: May 13, 2008, 07:28:27 AM »

I'd recommend either the Ameritron AL-811 (600 watts PEP) or AL-811H (800 watts PEP).  Both excellent amps that are cheap to re-tube.

73

Tom AE5I
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K7GRR
Member

Posts: 50




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« Reply #4 on: May 13, 2008, 02:50:05 PM »

I really like my 811H.  Once I fix my AL-572B, I'd be happy to sell you the 811, but I use it on the nets almost daily, and really need to have an amp as some of the net users are unreachable barefoot.

An 811 or 811H is a terrific little amp.

-T
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AD4U
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Posts: 2164




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« Reply #5 on: May 14, 2008, 12:02:48 PM »

Another amp some of us "old timers" like is the Heath SB-200.  It uses "real" transmit tubes and output is around 600 watts 80-10 meters.  Usually they cost less than the Ameritron.  I built an SB-200 in 1969 and I use it a lot.  It still has the original tubes and it has never failed.  Something else to consider.

Dick  AD4U
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W5DWH
Member

Posts: 43




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« Reply #6 on: May 15, 2008, 10:10:37 AM »

I like my ALS-600. It is a solid-state no tune amp.
It is idiot proof. If the SWR is too high or you select the wrong band it shuts down.
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G8UBJ
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Posts: 478


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« Reply #7 on: May 16, 2008, 05:07:33 AM »

If you want something solid state with a good pedigree the new Tokyo Hy-Power HL-450B may be worth a look?

Based on personal experience you won't find anything more reliable or well behaved...

73 G8UBJ
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WD8PTB
Member

Posts: 670




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« Reply #8 on: May 18, 2008, 06:41:28 AM »

The Ameritron ALS 500m is also a good amp. You can run it from a 100amp hour deep cycle battery and a charger.  73 WD8PTB
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