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Reviews Categories | Ham Shack Accessories | MFJ 4603 Help

Reviews Summary for MFJ 4603
Reviews: 6 Average rating: 3.0/5 MSRP: $89.95
Description: Antenna feedthrough panel, four 50 ohm SO-239 coax connectors, 75 ohm 1 GHz-F connector, high voltage ceramic feedthru insulators, random wire random/longwire ceramic feedthru, stainless steel ground posts, etc.
Product is in production.
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KD2JAU Rating: 1/5 Jul 30, 2017 21:10 Send this review to a friend
Power connectors warp both bezels, compromise weatherproofing  Time owned: 0 to 3 months
The 4603 has a really nice complement of connector types -- now, if only they would fit! When the unit arrived, it looked as I expected: unfinished wood board (will absolutely need priming/painting for adequate weather resistance, here in the Northeast). However, upon loosening the adaptive panel wing nuts, I noticed that the => entire end of the bezel <= began to lift, on both sides (inside and outside)! The culprit? The red and black power binding posts are TOO LONG! So much so, in fact, that they push the entire panel bezel out. Anomaly? I think not -- MFJ indicted themselves by placing little stick-on pads opposite the binding posts, so that they don't short themselves out (i.e. - they know about the problem)!! How long do they expect these to stay on, even if they were a legitimate remedy, especially when the weather sealing ability of the unit has been completely compromised? I called MFJ, and the tech there had no clue and less interest in the problem as described, noting only that the binding posts "...seem to be the right size..." -- sight unseen. A simple 1/4-inch spacer under each binding post would fix the problem. Another lesson learned.
K8AC Rating: 2/5 Jan 8, 2015 10:59 Send this review to a friend
Poor execution of a good idea  Time owned: 0 to 3 months
The overall design is decent. But, as we've come to expect from MFJ, the devil is in the details. The "high quality treated board" they used looks more like a rough-sawn reject. Indeed, they painted it white. Unfortunately, the paint didn't adhere to the treated board well and a significant portion had flaked off by the time I received it. So, I'll have to disassemble it (and maybe just replace the board) and repaint it before it can be used. Chances of any of the original paint lasting through one year of rain, snow, etc. is just about zero.
N4AUD Rating: 5/5 Jun 22, 2012 23:31 Send this review to a friend
Excellent product!  Time owned: 0 to 3 months
It was easy to install, looks fine and works. Mine was well constructed. No complaints at all. I have several antennas and had quite a mess before acquiring this product.
K7NNV Rating: 1/5 May 30, 2012 11:43 Send this review to a friend
Poor quality  Time owned: 0 to 3 months
This item is typical of most MFJ products. Its is not weatherproof by any means. I had to seal around the exterior s/s plate with silicone sealer and provide my own weather caps for the unused connectors. The two s/s connector plates are just sandwiched between a painted board. Consider buying the connectors and making your own feed through unit, it will be a lot cheaper and probably better quality.
PG00023016 Rating: 5/5 Apr 8, 2011 18:35 Send this review to a friend
W/O Couldn't Please XYL  Time owned: more than 12 months
Nice product. The price is fair to me. What else is there to compare it to? We moved south and I was worried what I could use to avoid holes in the floor or walls.
K4ZNC Rating: 4/5 Oct 2, 2010 15:32 Send this review to a friend
Followup review  Time owned: more than 12 months
I still give this product a 4; basically very satisfied. Did have a problem with one of the pass-through UHF connectors. Began getting bad SWR readings on my Hustler 6BTV. Checked cables inside and outside as well as the Hustler feedpoint. Finally determined that the UHF connector on the MFJ panel went bad, so replaced with a new one and SWR back to normal.

Have changed my mind about the wood fit and finish. Looks fine installed vertically in my window frame (see previous review).

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