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write your own review of the Astron RS 70-A.
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W7WIN
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Rating: 5/5
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Jun 22, 2009 13:32
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Very best
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Time owned: more than 12 months
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I have used a lot on PS but this one stays.
70 amps runs all I have in the shack.
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KC4CP
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Rating: 5/5
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Jul 30, 2006 21:02
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The BIG BOY!
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Time owned: more than 12 months
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Now this thing is a "REAL" Power Supply! It will run everything in your shack ... and then some.
I have used my RS 70 to power my Ameritron ALS-500 amplifier. It works like a charm (it is important to use large guage wire & as short a run as possible). I know others who run the Ten Tec Hercules using this power supply.
It is big, it is heavy, it is powerful! I have owned two. After 10 years of service ... Zero problems to report! Enough said.
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KA5ROW
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Rating: 4/5
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Jul 12, 2005 22:07
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Good Heavy Duty Power Supply
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Time owned: more than 12 months
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This is a good heavy duty power supply, but I am a little disappointed with its overrated specs.
And the Q/A department
I however, do not think its fair to rate this the RS-70 A or M as a 70 amp power supply. They should be rated as a 57 amp power supply. With intermittent 70 amp peaks. I don't know if you could use the P/S with a amplifier that pulled 60 or 65 amps on SSB peeks. I would think after a short time something would give out.
I use the P/S to power a TE-System 1452G 400 watt amplifier. On FM pulls about 52 amps. SSB Intermittent peeks to 52 amps. The P/S gets very hot, so hot you can not put your hand on the base of the P/S. The fan has kicked on only one time that I can remember. I sure the thermal control was not working. So I by passed it, now the fan runs all the time and the P/S is much cooler. All of my other P/S the fan runs all the time.
I called Astron got someone who could not speak English very well, and I could not get a clear answer as to why the cooling fan never ran. I don't think he really knew enough English to understand me and the point I tried to get across.
A 2nd issue was when I got the P/S one of the insulators between a regulator and heat sink was hanging by one end. It was an easy fix but a very obvious Q/A problem.
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