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write your own review of the Astron RS-20M.
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KJ4QAN
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Rating: 5/5
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Aug 5, 2011 13:42
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Built like a tank.
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Time owned: more than 12 months
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I like a linear supply because they are just plain more reliable. This one gives nice clean power. I put it on a scope. There's just no hash. Not even at 5mV. I've been using mine with a Yaesu FT450 on SSB and it works just fine. Even at 100W the duty-cycle of SSB makes the supply barely warm and the voltmeter never moves. The meters are nice and big and easy to read. I read on the net that somebody replaced the incandesant bulbs with blue LEDs. That would be cool. Maybe I'll use tri-colored LDSs and put a selector switch on mine.
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N1UHF
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Rating: 5/5
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Feb 10, 2011 12:11
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Fantastic power supply
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Time owned: more than 12 months
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I bought this PS about 8 years ago, used it as my power supply through most of those years. It always supplied clean and capable power. I really like the Ammeter and Voltmeter version as I can always tell what's going on.
It is a heavy beast at 17 lbs compared to the newer switched supplies, though i'm sure big ones are even heavier! Surely not for dragging around for portable or emmcom i recommend a good switching supply. But for home base use this one and other Astron metered versions are excellent.
The reason i'm leaving this review today is because a last week the lighted power switch on mine failed. I called Astron today in CA, and they took my name and address and said they were going to send a switch out to me free of charge. They didn't even ask me how old the power supply was! What a great company...
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W4DXL
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Rating: 5/5
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Mar 21, 2010 12:05
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I was able to kill one!
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Time owned: more than 12 months
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I ran this power supply for years, it was a bit underpowered for what I was doing. It ran 2 VHF radios and 2 HF radios without complaint for many years. Then I got a new HF rig that needed even more power and the RS-20M just couldn't keep up, the main fuse blew. I put a new fuse in but no joy, I probably toasted a transistor. My fault totally I have pushed this supply way too hard and it finally cried uncle when I hit transmit on AM. I will fix it and use it in a less demanding application. I'm sure it will again work for many years.
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KB0XR
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Rating: 5/5
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Sep 10, 2009 04:35
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Mine is good
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Time owned: more than 12 months
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I've had mine cooking on the operating desk for about 17 years now. Very boring. Apply power and it works.
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KJ4GXU
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Rating: 5/5
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Sep 9, 2009 14:02
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Great power supply
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Time owned: 0 to 3 months
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I picked one of these up at the Huntsville Ham Fest last month and have been using it to power a TS-2000. It pushes full power out on SSB without a single complaint. I have it under the desk because due to the space so the meters aren't such an issue for me but if I had it on the desk it might be interesting to watch the current draw.
For 60 bucks this was an incredible deal for me.
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KE5SMH
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Rating: 5/5
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Feb 4, 2009 20:38
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Mine's an ugly stalwart
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Time owned: 6 to 12 months
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I bought my RS-20M off Ebay in a liquidation auction of a business (Uniden it appears based on writing on the unit itself). It looked a little ugly in it's Ebay picture, so you KNOW it will look really ugly in person!
Anyway. It did. Lots of dents, scrapes and scratches, but I got it cheap.
Despite all the damage of a long abused life, the unit performs perfectly day after day!
You can't beat Astron for reliable, reasonably priced, quiet power supply duty... and you don't have to buy them in the "ugly" edition!
K5AEH
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WA6MOW
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Rating: 5/5
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Nov 13, 2008 07:12
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Great Value!
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Time owned: 0 to 3 months
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They are selling on eBay for around $80.00. If you don't mind the weight and size, a heck of a deal. As stated, a solid performer. The meters are cool to look at but I would not spend the extra money for the M model.
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VE3RAW
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Rating: 5/5
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Jul 14, 2008 09:08
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Excellent - Solid Product
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Time owned: more than 12 months
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I have an Astron 20M as well as two Astron RS-50M Power Supplys, and am looking at a 70M. These supplies never fail, and simply keep on running.
Output is solid, with no flucuations at all.
They are built to take the punishment of day to day use. Output is clean and silent. What else could you ask.
I use the 20M for miscellanious smaller items today, but at one time powered a 100W transceiver. Only use for smaller items today as I have the larger 50M's for the work.
If you are looking do not hesitate.
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W1LDD
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Rating: 5/5
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Apr 15, 2008 15:57
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Well Built
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Time owned: 0 to 3 months
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These power supplys are built like tanks.I use it to power a 100 watt radio and it does not break a sweat.Buy one!
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KB3DBF
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Rating: 5/5
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Mar 22, 2008 22:08
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Great supply
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Time owned: 0 to 3 months
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I just bought this supply to run my dual-band Icom 207H. I must have a newer version as both meters are back lit which is a nice feature. I've read other reviews that coomplained about lack of back lighting.
I have no noise problem or vibration that has been noted by some. Even with my SWL gear right next to the supply.
I am very happy with the supply.
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