Showing posts with label antennas. Show all posts
Showing posts with label antennas. Show all posts

5/17/2012

Terk AF-9330 AM/FM Indoor Amplified Tower Antenna Review

Terk AF-9330 AM/FM Indoor Amplified Tower Antenna
Average Reviews:

(More customer reviews)
I was hoping to improve reception on a few stations , so I decided to replace the twin lead dipole (passive) antenna that came with my new tuner with the Terk Tower. I have the AM Advantage loop and that works fairly well, so I figured this powered antenna would be a lot better.
Well, bad reasoning. On FM, it doesn't work NEARLY as well as a 32" piece of plain old wire on any of my radio recievers. In some cases, stations that could be tuned reasonably well with *nothing at all* attached to the FM inputs, and no internal antenna, could no longer be received with the Terk Tower attached.
Those that could be tuned with the antenna attached had grotesque distortion. This despite turning the gain adjustment dial in either direction. It was functioning, as at low levels of gain, the station dropped off completely, and definitely changed as you moved it. So it wasn't just broken. I could get barely acceptable reception on a few stations with micro-fine adjustments of the dial. But even at best all stations had all sorts of fuzz and dropouts. You could turn it up enough to swamp the receiver ACG circuit, but the distortion never goes away as you turn it down the point of losing lock completely.
On AM, it doesn't make it worse, but it doesn't help, either. On all the weak stations I have tried, I simply can't tell the difference in the results. Once again, fiddling with the gain control changes it, but at maximum boost, it's pretty much what I was getting with the the teeny little loop antenna that bolts to the back of the tuner. At lower gain settings you just can't hear the station at all.
For all intents and purposes, it just doesn't seem to work, I tried it on 4 different tuners/radios in 4 different places in my house, and in every case it made the FM reception MUCH worse than the stock antennas, and AM reception no better than the stock or internal antennas. I'm probably going to break it open and try attaching different lengths of wire in place of the stock antenna, and see if that helps. But I get the impression that the booster amplifer just isn't up to the task of passing 107.7 MHz., and introduces too much distortion at FM freqencies. It almost has to be - because a plain old wire that length is MUCH better.
Even though it was pretty inexpensive, I was very disappointed with this antenna. You'll get FAR better reception with a bent coat hanger. And that's free with your dry cleaning.
(addendum - I finally broke my antenna open, and now it's clear why it doesn't work on AM any better than a stock antenna. It's because inside the tower, for AM, is a small, unamplified, loop antenna! It's not even connected to the circuitry. Which begs the question of why turning the dial affects the AM performance. I speculate that the AM loop and the FM amplifier are interfering with each other - and that the AM is getting into the FM amp, causing modulation at the FM subcarrier frequency, hence, really fuzzy FM reception - and also dragging energy out of the AM loop more or less depending on the FM amp setting. BTW, the FM antenna is a piece of bare copper wire running the length of the antenna. Short answer is still the same - it's junk, don't waste your money)

Click Here to see more reviews about: Terk AF-9330 AM/FM Indoor Amplified Tower Antenna

Increase your FM reception with the TERK FM Pro Indoor/Outdoor Antenna, which utilizes a patented horizontally polarized, half-wavelength (98MHz), folded dipole design to maximize FM signal reception of even weak and distant stations. The FM Pro's figure-8 pickup pattern captures signals from in front of and behind it with equal strength, allowing optimum positioning for reception of weaker stations as well as stations up to 100 miles away. The FM Pro features a patented Dual-Drive ultra-low noise amplifier that can be set to high gain mode to correct for signals that are too weak or bypassed for optimal reception of strong signals. The amplifier is connected directly to the antenna element for the shortest signal path and lowest noise. Installation is fast and easy. This ultra-durable weatherproof indoor/outdoor FM antenna can be installed under the eaves of a roof, on a windowsill, or placed as a rooftop antenna. Its housing can be painted to blend smoothly into its surroundings.To insure the highest-quality signal transmission, the Indoor/Outdoor Antenna includes a threaded F-connector for connection to RG6 or RG59 75-ohm coaxial cable (sold separately).

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8/09/2011

Winegard GS-2200 Sensar III Amplified VHF/UHF Antenna System Review

Winegard GS-2200 Sensar III Amplified VHF/UHF Antenna System
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This antenna pulls in the four major networks plus PBS with perfect HD reception. The four networks are all broadcast from towers located within one mile of each other. That makes aiming the antenna easy. The distance from the towers to my house is 31 miles. If the antenna gets more than 30 degrees off then reception falls off dramatically. The amplifier must be plugged in or there is no reception. It is an in-line amp that uses the coax cable. For my situation, it is the perfect antenna. The price was also nice and there is virtually no assembly.

Click Here to see more reviews about: Winegard GS-2200 Sensar III Amplified VHF/UHF Antenna System

HDTV antenna with 0-30 mile range.

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7/14/2011

Audiovox Sirius FMDA25 FM Direct Adapter (Black) Review

Audiovox Sirius FMDA25 FM Direct Adapter (Black)
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I must say I was pleasantly surprised by how well this product works.
I have an 07 Accord so it was a bit of a PITA figuring out how to get to the radio antenna in the dash. If you google around for your car and "remove radio" you will undoubtedly find directions for accessing it. That was the most difficult part and it only took me about 30 minutes from start to finish.
I recently got the Starmate 4 for my car. I had one of the old original Audiovox units from when Sirius was first starting up. It was huge, bulky, I had lost the mount for it, and it got VERY hot when in operation. Almost so hot that you couldn't touch it. Hence I decided to upgrade to a newer model. When I received and installed the Starmate I was surprised to see that the built-in FM modulator was horrible. And when I connected the FM antenna extender it came with, it made the sound WORSE. The static made it almost unlistenable through my radio. I googled around and found that the FCC had stepped in and regulated the amount of power the FM modulators were allowed to emit. So my Audiovox unit was better in that fashion since it was built before the FCC rules were established.
To fix the problem I got this Wired Relay Adapter. Basically you plug your car's antenna into it, then plug the wire into your radio. The other end routes through your dash and goes into your Sirius radio. The reception is 100% clear now. No more static. The downside is that you have to a) remember to turn off the Sirius radio if you want to listen to FM because it kills all of the stations, and b) regardless of whether it is on or off it kills AM reception. I don't often listen to AM and guess I don't have a need now (except for local TV stations).
All in all I am VERY happy with this product. It took a Starmate that sounded worse than an old Audiovox I had, and made it MUCH better in the end. 100% worth the $19.99 for this item if you have the know-how to get into your dash.

Click Here to see more reviews about: Audiovox Sirius FMDA25 FM Direct Adapter (Black)

Tired of relying on your FM transmitter to send your Sirius satellite radiosignal to your car stereo? Turn instead to this wired FM adapter, which provides a directconnection to produce a crisper overall sound. Unlike FM transmitters--which oftensuffer from static and interference, as with traditional FM stations--the FM adapter plugsdirectly into the rear of your factory or after-market stereo, thus requiring a bit ofinstallation expertise. But once connected, you can tune to your favorite Sirius channelsin seconds without searching for unused FM frequencies. More importantly, the signalwill be clean and uninterrupted, with no pops or fizzes as you drive from one part of thecity to another. The FM adapter, which works with all Sirius plug 'n' play and personalradios, includes plugs and wires for most installations, although antenna adapters may berequired for select car stereos. It's also backed by a one-year warranty.
What's in the Box Direct FM adapter, plugs and wires, user's manual.

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3/14/2011

Terk LF30-RX Add-on Receiver for Terk LF-30S TV Anywhere Wireless A/V System Review

Terk LF30-RX Add-on Receiver for Terk LF-30S TV Anywhere Wireless A/V System
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This Terk add on, was purchased for the TV that I have on the enclosed front porch of my home. I use one in my office with with master control off of the bedroom (with full cable access). It work great. Whatever the tv in the bedroom is tuned to, the tv's that the add on's are connected to also show.
And I have to tell you, the picture is very clear, and the sound is great. One concern. If you have a 4.5mz cordless phone, you will have to pull the plug while using this system. Or you will have a line across the screen. I have a line phone so it doesn't matter, but take it into account when ordering. In all though, I highly recommend this item.

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The Terk LF30-RX acts as an extra receiver for the LF-30S Leapfrog A/V system, helping users transmit and receive wireless audio and video signals throughout the house. Thanks to the LF-30S (sold separately), users can store all their A/V components, including satellite receivers, DVRs, DVD players, or camcorders, in one room, while watching audio and video footage in other rooms--all without running any wires on the floor or through the walls. The handy system also eliminates the necessity of buying extra components for each TV. Users can even transmit audio files, such as MP3 or WMA music, from an office computer to a pair of powered speakers in the living room.
The LF30-RX receiver is an add-on to the LF-30S, which initially comes with one transmitter and one receiver. This LF30-RX connects to a second TV or speaker system through its stereo RCA audio and video outputs or its coaxial F-type RF output. Once connected, it transmits IR remote commands to the main transmitter, and then receives clear, crisp signals across the 2.4 GHz frequency band. The system offers a generous range of 150 feet, and easily penetrates walls, doors, ceilings, and floors without interference. In addition, a built-in modulator ensures that you can connect to any TV, whether brand-new or old.
And though the LF30-RX is a single unit, users can also buy additional LF30-RX receivers to connect even more TVs to the wireless system. The receiver measures 5.5 by 1.75 by 3.75 inches (W x H x D).
What's in the Box Receiver unit, AC adapter, AV cable, RF cable and owners manual.

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