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Reviews For: Diamond Super Gainer SG7500A 2m/70cm

Category: Antennas: VHF/UHF+ Omnidirectional: verticals, mobile, etc

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Review Summary For : Diamond Super Gainer SG7500A 2m/70cm
Reviews: 11MSRP: 79.95
Description:
2m/70cm dual band, high performance, radialless mobile, gain whip antenna. Offers 5.0dB gain on 144 MHz and 7.6dB gain on 70cm. The antenna is a 5/8 wave on 70 and 7/8 on 2 and handles up to 150 watts.
Product is in production
More Info: http://www.rfparts.com/diamond/mobile1.html#dual
# last 180 days Avg. Rating last 180 days Total reviews Avg. overall rating
00114.2
KB1HGI Rating: 2003-06-25
Great Antenna Time Owned: more than 12 months.
This antenna is awesome. Allot of the repeaters that I like are far and/or have poor line of site from where I live. My route to work is also on the "fringe" of the repeaters. That fringe has greatly improved since I started using this antenna.

However, if you buy this antenna you naturally have to buy a mount for it as well. The mounts are almost as much $ as the antenna itself !

I started off using the SG7500 (about $80) with a K600M trunk mount (about $60). I was very happy with this set-up for a year and a half. The K600M mount has plenty of cable to run from the trunk of the largest cars all the way to the radio in the front. It mounts on the "lip" of the trunk so that you don’t have to cut a hole in your vehicle.

Recently, I got a new SUV. Now I have a $60 mount (K600M) that I cant use and I had to get a $70 K400C mount for the SUV. On top of that, the K400C uses a very short section of cable and its so thin I call it "string coax". This cable is only about 4 or 5 feet long. I had to attach a section of "real" cable to the end of the "string coax" for it to reach my radio! On the plus side, once this mount is secured to any "lip", such as the edge of a vehicle door, it can be positioned in any position. I have mine attached to the top of my rear passenger door close to the hinge end of the door.

In short, I would give the antenna a rating of 5 but since you need to get a mount I had to take the mounts into consideration. So, I will give a rating of 4 overall because of the K400C mount. The antenna rocks and the K600M mount is very cool. But, stay away from the K400C mount if you can.

73 de KB1HGI
John