Showing posts with label tv. Show all posts
Showing posts with label tv. Show all posts

10/21/2011

24DB Dual Output Vhf/uhf/fm Amplifier Review

24DB Dual Output Vhf/uhf/fm Amplifier
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I compared the two signal amplifiers in an over-the-air antenna situation.The antennas (both VHF/UHF - digital) were outdoor type with from about 50' to 75' of coax cable connected to an HDTV.Also tested on an analog TV.

The Philips PH61111 is meant for indoor use, is black, and has two output terminals, a convenience.It's lightly built, and reminds me of the boosters that have been available at Radio Shack for years (decades).Has a convenient power on light.Connects directly into AC via two pronged cord. Comes with a limited lifetime warranty.Made in China.Amplification is 24 db (very nice); not adjustable.Recommended only for TV applications.

The Motorola Signal Booster is also black, has only one output terminal.Besides the input terminal, there's a terminal for DC power via an AC adapter.It could easily be plugged into one of the other terminals by mistake.It's ruggedly made of die cast aluminum.Box contains two 6' coax cables with connectors.Has a limited 1 year warranty.Made in China.Amplification is 15 db; not adjustable. Can be used for multiple broadband applications.Is bi-directional, so more versatile than the Philips for non-TV communications applications.The three cables with adapter makes it a bit clumsy to work with in an enclosed space.

THE TEST
Used both units on a Toshiba 40XF550U and an older Panasonic superflat CRT.Units were placed in cabinets close to the TVs (not at the antenna source).Digital channel signal strength was measured using the TV's signal strength indicator for approximately 30 channels in the San Francisco bay area (north and south from Mountain View).

FINDINGS
Both units performed equally well.They substantially boosted signal strength from a non-amplified situation.Even though the Philips claimed higher amplification power, it did not boost signals from distant stations any more than the Motorola.Fringe signals were exactly the same strength.The analog TV also received benefits that were, subjectively, equivalent.

CONCLUSIONS
The Philips is roughly half the price, more compact, with two signal outputs, and works just as well at TV signal amplification as the Motorola.If that's the only application required, the Philips is a good choice.

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Product Description:
24dB Dual-Output VHF/UHF/FM Amplifier

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9/22/2011

Winegard HDA-100 Distribution Amplifier 5-1000 MHz 15dB Review

Winegard HDA-100 Distribution Amplifier 5-1000 MHz 15dB
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Worked like a charm, I purchased this to overcome signal loss on a long run of RG-6 with 2 Splitters.I emailed Winegard's technical support prior to making the purchase.Winegard's tech support is exceptional in my opinion, tech support needed to know how much cable was used in the system and the splitter loss and locations to properly advise installation.I installed the amplifier in my attic and installed the power inserter in my basement.Be aware you can't use splitters between the amplifier and power inserter.You can use splitters before the amplifier and after the power inserter but not in between the two devices.

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Product Description:
The Winegard HDA-100 distribution amplifier is a heavy duty, quality built solution for the amplification and distribution of digital/analog broadcast signals from off-air and cable TV stations. It amplifies signals from 54-1000 MHz 15dB and features a 5-42 MHz 2-way bi-pass at -2 dB loss. It's housed in an industrial grade, weather resistant enclosure.

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3/15/2011

Apple Mini-dvi To Video Adapter Review

Apple Mini-dvi To Video Adapter
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Reviews are only good if you can learn something from them, so here's what I did with this adapter. Hopefully it'll help you figure out if it's right for you.

It took awhile to figure out which adapter I needed, and then it took awhile to get the right one, but this is it.I wanted to connect a 1.5 GHz Powerbook 12" (aluminum) to a Sony Wega 27" flat-tube TV and watch videos. At first, I though all I would need was a mini-DVI-to-component, and then I learned the difference between "component" and "composite."Didn't matter though, because what I actually needed was this, the mini-DVI-to-Video adapter.(For an iBook G4, I think you'll need mini-VGA-to-video.)

The "Video" stands for S-Video, and any generic S-Video cable will hook up to it. You don't need an expensive Monster cable for this job.

The video quality ranges from acceptable to great. Even though you can see the lines of pixels on such a big TV when you're looking at the desktop, videos recorded at DVD-quality *look* like DVD-quality.Videos (by which I mean legally-acquired TV episodes) encoded at less than DVD-quality look pixelated if they were originally digital broadcasts, for some reason, so while The Invisible Man (new) looks crisp, new Battlestar Galactica looks... chunky. From this, we conclude that that adapter itself works just fine, and it's up to your original file quality to determine how good it will look on the TV.

That said, the screen resolution is 800x600 while the adapter is plugged in, so I wouldn't recommend routing video from a 12" PB to a larger TV than 27" unless you don't mind a little fuzziness.

The adapter also comes with a composite jack, but I haven't used it, so someone else will have to review that aspect. :-)

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Product Description:
The Apple Mini-DVI to Video Adapter was designed specifically for use with the latest 12" PowerBook G4 (models introduced in September 2003). The adapter connects to the Mini-DVI port on the new 12" PowerBook G4 and provides both S-video and Composite video connectors. It allows many devices such as TVs, VCRs, or overhead projectors with S-Video or RCA (Composite) connectors to be connected to your new 12" PowerBook G4.

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3/07/2011

Audio Video RCA Composite AV Video Game Selector Switch for XBox, XBOX 360, PS1, PS2, PS3, Gamecube, Wii, DVD, VCR Review

Audio Video RCA Composite AV Video Game Selector Switch for XBox, XBOX 360, PS1, PS2, PS3, Gamecube, Wii, DVD, VCR
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This simple AV selector is ideal for people using multiple game consoles (especially for TV's with only one RCA input).The selector is practical and is a great value at $10.It was nice that it includes an approx. 6ft RCA AV cable to run from the switch to the TV (or receiver).No more hassle with switching cables behind the TV.

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Product Description:
This is a 3 to 1 Composite AV Signal Switch w/ RCA AV cable, Black. It shares one TV with 3 different sources, No need to unplug and plug in wires when changing from game consoles, DVD players, RCA players, and even digital camcorders. User friendly installation and it Designed to provide sharp, clear audio and video for your home theater system. * AV Cable Type: Red / White / Yellow composite Audio / Video Cable * Connectivity :RCA (M x 3) to RCA (M x 3) * Cable Color: Black * Switch Box color: Black * Suggested applications: TV / DVD / Projectors / Game Consoles / Nintendo Wii / Game Cube / Cameras / CamcordersPackage Contents - 1 x 1 Selector Switch Box - 1 x RCA AV Cable

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11/17/2010

Motorola Signal Booster 484095-001-00 Bi-Directional RF Amplifier Review

Motorola Signal Booster 484095-001-00 Bi-Directional RF Amplifier
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Ever since my cable company installed digital cable in my house I have had picture problems.The analog pictures were grainy and half of the digital pictures didn't come in.They just said they would arrive shortly but never did.Numerous calls to the cable company failed to come up with a permanent fix.So I decided to take matters in my own hands.Other boosters made things worse.When I saw that this one worked with digital as well as analog I decided to give it a try.I first hooked it up from the cable box to the vcr and got no improvement.So I tried hooking it up where the signal first came in before the cable reciever and it worked beautifully.Analog pictures are clearer than ever and all the digital pictures come in.No more "Please Wait" screens.I am mad that my stupid cable company refused to do this but I am thrilled to finally have what I pay for!Great product!

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Product Description:
Signal Booster

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11/15/2010

Two Gigahertz Low-Loss RF Splitters for TV & Satellite MKII - 3 Way 2 GigaHertz RF Splitter Review

Two Gigahertz Low-Loss RF Splitters for TV & Satellite MKII - 3 Way 2 GigaHertz RF Splitter
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I always thought passive 3-way splitters had two -7.5db taps and one -3.5 tap. But Monster implies that all three taps on this unit have the same -5.7 loss. In addition, one tap is labeled "Power pass out". I know this is used by inline amplifiers on satellite systems, but it would be nice if the packaging explained this feature.

The only specs I could find are below from Monster's site.

"The DB Loss per output is:
TGHZ-2RF 5MHz-1GHz: -3.4dB 1GHz- 2GHz: -4.9dB
TGHZ-3RF 5MHz-1GHz: -5.7dB 1GHz- 2GHz: -8.9dB
TGHZ-4RF 5MHz-1GHz: -7.4dB 1GHz- 2GHz: -9.6dB"

So I like the look and performance of this in my system, but I wish Monster would provide more documentation and explain why this unit is different from the other 2 ghz splitters on the market.

Click Here to see more reviews about: Two Gigahertz Low-Loss RF Splitters for TV and Satellite MKII - 3 Way 2 GigaHertz RF Splitter

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Two Gigahertz Low-Loss RF Splitters for TV & Satellite MKII - 3 Way 2 GigaHertz RF Splitter

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11/10/2010

Monster Cable TGHZ-2RF Two Gigahertz Low-Loss RF Splitters For TV & Satellite 2-Way 2 Gigahertz RF Splitter Review

Monster Cable TGHZ-2RF Two Gigahertz Low-Loss RF Splitters For TV & Satellite 2-Way 2 Gigahertz RF Splitter
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After making some recent upgrades in my primary audio/video system it became clear that the two way splitter that the cable company provided was simply inadequate to the task.Upon doing some research I determined that this particular splitter made by one of the industries most reputable manufacturers was going to have to be the way to go.Upon hooking up this superior two-way splitter in conjunction with Monster's MV3F2M NF Video 3 coaxial cables there was quite a wonderfully distinct difference in the picture on my new television.
After seeing such a distinct improvement in the signal for my primary audio/video system I immediately went out and purchased another one for the computer room to use for both the cable modem and the television in that room.This is the perfect two-way splitter for either a television/cable modem hookup or a television with PIP (picture-in-picture) capability in conjunction with a cable box or satellite receiver!
I highly recommend this outstanding cable splitter to any and all who're interested in getting the best picture available from their television sets or signal for their cable modems.The end results far outweigh the costs for this splitter!{ssintrepid}

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Monster Cable TGHZ-2RF Two Gigahertz RF Splitters 2 Way2 GigaHertz RF Splitter

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