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Author Topic: Icom IC-730 Matching Power Supply?  (Read 388 times)
KD6DXA
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« on: July 12, 2019, 02:32:59 PM »

Is there a matching power supply for the Icom IC-7300? (Yes, the 7300; sorry for the typo in the post title!)

Thanks!  Smiley

Zachary, KD6DXA
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Zachary Fruhling, KD6DXA
https://www.zacharyfruhling.com/
W5CPT
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« Reply #1 on: July 12, 2019, 02:56:35 PM »

Icom's PS-126 is the "matching" power supply, and if you can find one it will set you back in excess of $325. For some reason Icom has discontinued that model. All that being said, any PS supplying at least 25 amps at ≈ 13.8 Volts will work. Lots of switching supplies available and a few linear ones also. I use a Powerwerx SS-30V with very good results. Some say the switching supplies are electrically noisy, and while that might have been true for some of the earlier and less expensive ones, I have no noise at all 6M to 160M. I recently changed from an Astron RS-35M (linear) which had developed a hum I could not tame to the Powerwerx units (I have two - one for HF and one for VHF).
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KD6DXA
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« Reply #2 on: July 12, 2019, 03:36:33 PM »

Which non-Icom power supply would have the smallest desktop footprint and sleekest appearance (for an apartment HF operating position that needs to look pretty)?  Smiley
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Zachary Fruhling, KD6DXA
https://www.zacharyfruhling.com/
W5CPT
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« Reply #3 on: July 12, 2019, 03:43:18 PM »

Which non-Icom power supply would have the smallest desktop footprint and sleekest appearance (for an apartment HF operating position that needs to look pretty)?  Smiley

As I said in my previous post, I like the Powerwerx 30A.  About 5" wide, 3" tall and 6" deep. No meters which some prefer.
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KD6DXA
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« Reply #4 on: July 12, 2019, 03:54:06 PM »

I checked out the Powerwerx 30 amp supply; I like the small footprint, but it's still a bit boxy. I'd like to find something a bit sleeker, so to speak.  Smiley
« Last Edit: July 12, 2019, 03:56:20 PM by KD6DXA » Logged

Zachary Fruhling, KD6DXA
https://www.zacharyfruhling.com/
W5CPT
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« Reply #5 on: July 12, 2019, 03:58:45 PM »

Look at some of the Alincos.
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N8FVJ
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« Reply #6 on: Today at 05:20:19 AM »

Buy a linear type low noise power supply. The Astron RS-20 works well. If you have other radios using the 13.8 volts DC such as a 2 meter FM transceiver at same time in receive, the RS-35 is best. $179 from HRO.
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VE3GNU
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« Reply #7 on: Today at 05:31:02 AM »

I happen to  like the SEC 1235M Samlex model----low, quiet, and ultra reliable.  Check it out. 
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