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| Reviews Summary for Alinco DM-330MVT |
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Reviews: 116
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Average rating: 4.4/5
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MSRP: $219.95
Street $169.95
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Description: Specifications:
Input voltage: AC120VAC(MVT) / 220VAC(MVZ)
Output voltage : 5 to 15VDC variable
Output voltage variation: less than 2%
Protection: short-circuit, Automatic current limiting over 32A,
over-temperature
Output current: 32A(max), 30A(continuous)
Ripple: less than 15mVp-p at rated load
Fuse: 8A
Meter: single volt/current meter, back-lit
Size: 175(w) x 67(h) x 165(d) mm
Weight: approx. 2 Kg
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More info: http://www.alinco.com/Products/DM-330MV/
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KC2PJL
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Rating: 5/5
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Nov 26, 2008 12:11
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Excellent Power Supply
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Time owned: 0 to 3 months
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I was looking to upgrade my home station power supply from the MFJ-4125 25A switching power supply to something that was just a bit quieter. I use a RIGrunner 4008 with an Icom 756, 2 Yaesu 7800's, and 5 scanners connected to it. The MFJ unit was fine, even on HF, in regard to switching noise. The issue was with the fan noise the MFJ made It was SO noisy. It was very hard to sit here and listen to the scanners or to try to make QSO's on either VHF/UHF/HF with all that fan noise going on.
I read a recent magazine review of the Alinco DM-330MV and was impressed by what I saw. It's a very good looking unit. I was also impressed by what I read in the magazine and then here on eHam. I bought one 7 days ago and all I can say is WOW! What a great power supply! I haven't yet had to tune out any noise with the 'Noise Offset' feature when on HF but it's nice to know I can if I need to. I also haven't used the 'Preset Power' function yet since I rely on the center-detented 13.8 volt setting. But, again, it's nice knowing that that feature is there. The combination back-lit volt/amp meter is nice. I thought I'd prefer a separate volt and amp meter but the one meter is just fine for me. I normally leave it on the Volts setting when monitoring with the scanners and switch it to the Amps setting when transmitting with either the 7800's or the 756.
Then there is the convenience of hook-ups. The MFJ has the high-power binding posts on the front of the unit and one set of spring-loaded low-power terminals on the back. I'd much prefer the binding posts on the back of the unit out of the way, and the spring-loaded terminals on the front where they are accessible for testing and temporary hook-ups. The Alinco is perfectly set up in that regard. I also like the fact that Alinco included a 2nd set of spring terminals and a cigarette lighter socket as well. It just makes the power supply that much more useful for testing and temporary hook-up use.
This unit not only runs exceedingly quiet, it runs very cool. My normal mode of operation is with 2 scanners and 1 of the 7800's on. If I'm going to do HF I shut down everything but the 756. I've had it on for 10-12 hours at a time operating like this and while it has gotten warm it has never gotten anywhere near what I would consider hot. It is also VERY quiet! Trust me, the fan does work....you'll just never hear it!
Appearance-wise the Alinco is very well laid out. All the controls are clearly labeled and have a solid feel to them.
I never thought I'd rave so much about something as basic as a power supply but this unit has really increased my enjoyment of being in my shack, and that's all that counts!
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KC8ZEV
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Rating: 5/5
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Sep 30, 2008 11:28
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The REAL "A" in power supplies!!!!!
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Time owned: 3 to 6 months
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I am old school when it comes to power supplies.......linear or nothing. Let's face it, linear supplies are somewhat cumbersome and heavy.
Needing a lightweight unit, I started to look at switching supplies.......AHHHHH!!! Noisy, noise and more noise......or so I thought. Been taught by my elmer that switching supplies and HF work don't go together. And for the most part, he was right. However, upon some exhaustive research, I came accross this unit. Quiet!!!!!Quiet!!!!! Absolutely no noise on HF.
Lightweight, plenty of connections for whatever you need to power.
The cooling fan is so quiet, I had to put my ear literally on the unit to hear it.
Meter lights up, voltage is fully adjustable.
If switching noise is detected, there is a feature to move the perceived noise off of the frequency being worked. Nifty feature in my book.
Its clearly the best switching supply out there.
Hit the road Samlex and Astron, Alinco is here!!!!
73
KC8ZEV
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N3TNQ
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Rating: 5/5
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Sep 25, 2008 19:15
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Perfect for my use
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Time owned: 0 to 3 months
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Mine arrived 2 weeks ago. Needed a new PS for the new FT-450. I wanted something smaller, but preferably with more power than my SEC (still hooked up to my TS-440). Has fit the bill perfectly so far. The fan in mine is so quiet, I had to look to see if it was running. I have had no noise issues from it either. I wish I had purchased one of these long ago.
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DZRTRAM
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Rating: 5/5
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Aug 7, 2008 12:07
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Great!
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Time owned: 6 to 12 months
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Small footprint, small size, quiet. The backlight is green and too dim to read in the dark without staring at it, but I don't know why I'd want to read it in the dark anyway. However, I do wish I could give it a 5- so I could register my complaint about the backlight. But it isn't enough of a problem to take it down to a 4. If Alinco would fix this to a brighter light, the unit would be a 5+.
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WD1W
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Rating: 3/5
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Jul 29, 2008 13:29
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Plus and Minus ...
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Time owned: 0 to 3 months
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This supply does what it is supposed to ... and barely gets warm. It's an attractive unit with multiple output choices (a big plus). Two things I wish I knew before purchasing this unit are the backlit meter is nothing like all the pictures you see ... bright and lit with white light. It's green light and so dim the meter isn't readable in the dark ... very disappointing. Secondly, I assumed attached power cords went out years ago. I guess I didn't ask the right questions before purchase.
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KB1OSI
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Rating: 5/5
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Jul 20, 2008 08:56
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Amazing and Versital
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Time owned: 3 to 6 months
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This power supply is amazing. It is built like a tank, and can put out more power then I could ever need. The preset voltage feature is a really big help so that I don't accidently bump the voltage control. It is 2 times as expensive as some fixed voltage power supplies, but it is higher quality, and extremely lightweight. Alinco thought of everything when designeing this power supply, from the power available at the front of the PS, to the backlight on the analog meter, to the switching frequency contol. It is great for electronics experimenting, too, because it is variable voltage. I would highly recommend it to any, even if they would just use is for electronics experimenting.
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WM5Z
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Rating: 5/5
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Jun 19, 2008 17:12
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WOW!!!
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Time owned: 0 to 3 months
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When it arrived, I couldn't plug it in as the fuse holder was not mounted in the case. I opened it up to find that the nut was not tight, so the fuse holder was free to move around in it's hole.
Then I tried to power it up, but the control didn't work to adjust the voltage. Was stuck at 5 volts output. I again opened it up and inspection of the control showed up a loose, unsoldered wire on that control. I repaired this, and then it works OK.
It is somewhat noisy on 160 and 75 meters.
Voltage seems to be stable, and has adequate power output.
Before I would buy another one, I would want to know that it was assembled better that this one. I might even consider another brand.
After I wrote my review yesterday, I received an EMail from Larry Lowry, the importer of this power supply. In this email, he has stated to me that his company will do whatever it takes to make it right.
I just received conformation that a replacement has been sent to me via FedEx. Now this goes above and beyond what I would have even expected from an equipment supplier.
With this acknowledge I would purchase here again.
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ZOULAS
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Rating: 5/5
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Apr 26, 2008 05:21
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Great Little PS
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Time owned: 0 to 3 months
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I read many reviews on power supplies. I wanted something reliable, and realitvely samll/light. This PS fits thye bill. Overall ergonomics are great, backlit meter a plus. Four outputs (only supply that does this!). Quality construction. Made in JAPAN! (not korea/malasia/taiwan/china). I would not consider any other. $150, woth every penny.
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W6CD
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Rating: 5/5
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Apr 12, 2008 13:38
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Works Great -
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Time owned: more than 12 months
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I have used this with an HF transceiver and a 2 meter transceiver. Works great - no fan noise, no RFI. Flexible connections to include having a cigarette plug on the front. It's small and has a good appearance.
I bought it on sale at HRO a year ago for about $120 - the features and performance, coupled with the price makes it an excellent value.
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WB6MND
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Rating: 5/5
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Apr 9, 2008 21:42
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Wonderful
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Time owned: 0 to 3 months
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This is everything a power supply should be, but most aren't. First, it's small and light, doesn't take up much space and can be carried along on a trip without a problem. Second, it's acoustically dead quiet, unlike many power supplies, which create fan noise, hums and buzzes. Third, unlike many switchers, it doesn't generate noticeable RF noise pollution (and I use open line, not shielded coax); the ARRL switching supply reports show that its RF noise level is much lower than other switchers. It's versatile because there are three separate power connections. A great job on this powerful little supply, Alinco.
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