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Author Topic: FT 950...recommend a good power supply?  (Read 3069 times)
KC8TBY
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Posts: 47




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« on: December 18, 2009, 07:33:22 AM »

Currently I use a Yaesu 897D with batteries as my power source.  I am thinking of upgrading my rig to a Yaesu FT 950. I have little to no experience matching any rig to an external power source.  Can anyone recomend a good power supply to use with this rig?  I understand this rig requires 13.8 volts with 22 amps.
I have looked at various power supplies, both switching and linear, that provide 13.8 volts and 25 or 30 amps.
Being a novice to power supplies, however, I am in need of some advice as to what is the best choice.
 Any and all recommendations (particularly from those of you who use this rig) would be greatly appreciated!
Thanks in advance for your suggestions and, of course...
'73!!!
(and, of course....MERRY CHRISTMAS and HAPPY NEW YEAR!!)
Tom   KC8TBY
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KB9CRY
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« Reply #1 on: December 18, 2009, 08:14:24 AM »

Astron
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WB5JEO
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Posts: 805




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« Reply #2 on: December 18, 2009, 08:22:20 AM »

The Astron RM-35A (or 35M, if you want meters) does a perfectly fine job with my 950 and is probably a better PS than the Yaesu. And that was the recommendation from Universal Radio when I bought the 950. But more important, think about whether you will be wanting to run any other 12v gear at the same time, in which case, you might do well to consider upping the capacity and using an appropriate 12v distribution and standard connector setup. It's so much nicer to have your 12v access right there for whatever you want to plug into it.
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WZ9O
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Posts: 40




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« Reply #3 on: December 18, 2009, 04:39:38 PM »

Astron….anything else is just a wanna-be.
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KG8JF
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Posts: 298




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« Reply #4 on: December 23, 2009, 05:02:38 AM »

I have an Astron rm-35(35 amp with meters) that has been turned on for almost 24/7 for 15 years.  It is bullet proof.
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NK5G
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Posts: 102




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« Reply #5 on: December 31, 2009, 07:28:20 AM »

I use a 13 year old Astron RS-35M with the 950. Works FB for me.
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KE5MXA
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Posts: 37




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« Reply #6 on: January 01, 2010, 12:54:26 PM »

Astron RS-35A no meters
Astron RS-35M with meters (little more expensive)
 I use Astrons on work boats that run them 24/7/365.
A 35 will run FT-950 no problem unless your going to be running digital modes at full power. Otherwise, move up to the 50 amp model. I run 150w marine SSB with a 35 amp all the time. I like the linear type power supplies better than the solid state type. Just for refrence Astron LS series are 28vdc.
Shawn
KE5MXA
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KF7CG
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Posts: 839




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« Reply #7 on: January 03, 2010, 12:50:18 PM »

Pricey, but Ilike the Yeasu FP30 supply. It is a linear type supply and delivers solidly and its voltage regulation as quite stiff. The supply I am using is about 8 years old. It powered an FT-847 before I moved to the FT-950.

KF7CG
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W6GF
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Posts: 163




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« Reply #8 on: January 13, 2010, 06:58:10 PM »

Buy a switcher...the MFJ supplies are great and reliable.  Buying an old technology is like using an old flat head engine versus a modern day overhead  cam direct injected engine in a new car.  New technology does not hurt.  My FT-950 has been powered by an  MFJ switcher since new.

George, W6GF
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KB1LKR
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Posts: 1898




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« Reply #9 on: January 14, 2010, 12:04:19 PM »

Buy a (well filtered for radio service) switcher if weight/size/mobility/portability is important.

Buy a heavy but simple, electrically quiet, easily serviced linear (Astron RS-35, RS-50, etc.) if a fixed/permanent  installation where the extra weight won't be an issue.

Six of one, half a dozen of the other!
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