Showing posts with label amplifier. Show all posts
Showing posts with label amplifier. Show all posts

10/21/2011

24DB Dual Output Vhf/uhf/fm Amplifier Review

24DB Dual Output Vhf/uhf/fm Amplifier
Average Reviews:

(More customer reviews)
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.

Click Here to see more reviews about: 24DB Dual Output Vhf/uhf/fm Amplifier

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

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10/17/2011

Viewsonics 8 Port Cable TV Amplifier with Passive Return Review

Viewsonics 8 Port Cable TV Amplifier with Passive Return
Average Reviews:

(More customer reviews)
These particular Viewsonics amplifiers have been discontinued for over three years, this product is really old. According to Viewsonics it does not have 6000v surge protection. Plus the noise profile is noisier than other amps you can buy for about the same money.

Click Here to see more reviews about: Viewsonics 8 Port Cable TV Amplifier with Passive Return



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10/09/2011

CHANNEL VISION C-0314 8 Db Rf Amplifier Review

CHANNEL VISION C-0314 8 Db Rf Amplifier
Average Reviews:

(More customer reviews)
Trying to get my cable modem and cable TV working optimally was a nightmare but this product fixed everything.I'm in a rural area and far off the road which creates challenges for cable.The cable company thought I was having a grounding problem, but changing the grounding did not fix it.At first, I had a passive splitter and Motorola 484095-001-00 Signal Booster and it worked ok for a few months, although my cable internet had high packet loss and was slow.After a couple of months the cable modem would lose signal intermittently and then stopped working.After giving up on the cable company, I replaced their old clunker modem with a Motorola SB5120, and I tried various "high quality" passive splitters with no luck.The CHANNEL VISION C-0314 fixed the problem.My cable internet and TV have been working great for months now and without the high packet loss that I was having before. The CHANNEL VISION C-0314 is a cleaner solution as well, since it is an active splitter, and everything is in one unit.I bought a second one, just in case anything happens to it. :)

Click Here to see more reviews about: CHANNEL VISION C-0314 8 Db Rf Amplifier

Product Description:
CHANNEL VISION 8 DB AMP

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9/28/2011

Cables To Go 41064 4-Output Audio/Video + S-Video Distribution Amplifier (Black) Review

Cables To Go 41064 4-Output Audio/Video + S-Video Distribution Amplifier
Average Reviews:

(More customer reviews)
Very easy to use a/v amp for both professional and home use. I use it professionally when doing multiple recordings on-location. The quality is exceptional. The only gripe I would have is the power connection as it is located on top with all the other a/v connections just below the the a/v inputs. It would have been preferable to have it on the side away from all the cables.

Click Here to see more reviews about: Cables To Go 41064 4-Output Audio/Video + S-Video Distribution Amplifier (Black)

Product Description:
Distribute to 4 TVs, monitors or receivers; supports cable runs up to 150 feet

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9/27/2011

RCA VH 100 - RF amplifier Review

RCA VH 100 - RF amplifier
Average Reviews:

(More customer reviews)
We recently cut our ties with DirecTV and just went with over the air digital signal. The RCA outdoor antenna worked great, but occasionally the picture pixelated. Having read reviews and experiences of others, I bought this signal amplifier and was blown away by the difference this little device made. We had very good HD quality, but this made it even better AND we found 4 more stations that we weren't getting previous to using this.

Better picture, no pixelation and more channels! Great Deal!

Click Here to see more reviews about: RCA VH 100 - RF amplifier

Product Description:
RCA VIDEO SIGNAL AMPLIFI

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9/08/2011

Infinity Reference 1300a 300-Watt, High-Performance Mono Subwoofer Amplifier (Silver/Black) Review

Infinity Reference 1300a 300-Watt, High-Performance Mono Subwoofer Amplifier
Average Reviews:

(More customer reviews)
Was NOT confident when I bought a pair of these amps to power one Infinity 12 each however this is one purchase you will NOT go back on! As always, the bass-remote feature lets you enjoy your music the way its meant to be no matter how loud you go.

Click Here to see more reviews about: Infinity Reference 1300a 300-Watt, High-Performance Mono Subwoofer Amplifier (Silver/Black)

Product Description:
The Infinity 1300a is a 300-Watt mono subwoofer amplifier with on-board electronic crossover and variable bass boost circuit.

Infinity Reference Series Amplifiers

Looking for a more moving audio experience? Take Infinity car audio for a ride. Innovative materials and breakthrough engineering have always put Infinity products out in front of the competition. So expect extreme output from Reference Series amps, but be prepared for accuracy and detail that may surprise you. There is no better way to make your car audio system stand up and deliver than by powering your speakers and subs with Infinity electronics.



All the right features to get the job done. Click to enlarge.

Infinity 1300a Features


Class D Subwoofer Amps
Efficiency is the benefit of the Infinity Reference Series Class D subwoofer amplifiers. A higher percentage of the power the amp extracts from the car's charging system is converted into output to the speakers, and less is wasted as heat. That is really important if you're trying to provide power to a 1000-watt amplifier. Class D technology turns the analog input signal into a series of pulses that can be amplified more efficiently by transistors used as switches, rather than valves. They're either on and operating at their most efficient level, or they're off. The pulses are converted back into an analog signal by an output filter.
CEA-2006-Compliant
All Infinity amplifiers are tested in accordance with CEA-2006, which provides a testing procedure to help customers compare amplifiers accurately--apples to apples. Specs are based on industry-accepted standards, rather than on the whims of amplifier companies' marketing departments. Look for the CEA-2006 logo when comparing amplifiers, to be sure you're getting the power you're paying for.
Audiophile-Quality Full-Range Amplifiers
Class AB full-range amplifiers offer audiophile quality performance and the best compromise between efficiency, low distortion, maximum available headroom and output power.
Amps That Don't Break
Infinity amplifiers are tested according to the strictest and most demanding reliability-testing regimen ever designed for car audio amplifiers. They are shaken, baked, frozen, dropped and shocked--all while they're operating. When they've passed all these tests, they are tested again. The result is a series of amplifiers that just don't break.
DBO Bass-Optimization Circuit
provides superior control and adjustability, compared to traditional bass-boost. DBO is a 2nd order high-pass filter that can be adjusted between 20Hz and 80Hz. The boost (or Q) adjustment boosts the signal above the highpass filter frequency. Used with a sealed box, it can help to increase output for more "fun" if it's set to about 45Hz. If it's used with a vented box, it should be set at or slightly below the tuned frequency of the box. That will prevent woofer unloading, and provide more output at the frequency where the box is tuned and the woofer's excursion is minimized--where it can handle more power.
Onboard Electronic Crossovers
Reference Series amplifiers include 2nd order (12dB/octave) slopes and are continuously variable from 32Hz to 200Hz.
Variable Bass-Boost
Provides up to 12dB of boost at 50Hz in the Reference Series full-range amplifiers.
Direct-Connect Terminals
Eliminate the need for additional solder-on or crimp-on terminals and provide an easy and reliable connection for power, ground and speaker wires.
Full-Range Preamp Outputs
Eliminates the need for signal splitters.
Included Remote Level Control
The amount of bass in popular recordings differs greatly from track to track. This remote level control varies the output of the amplifier from no output up to the maximum output level that you set with the input sensitivity control.


Infinity 1300a Specifications


Power Output: 200 watts RMS x 1 channel at 4 ohms and less than or equal to 1% THD + N

Signal-to-Noise Ratio: 85dBA (reference 1 watt into 4 ohms)

Dynamic Power: 342 watts at 2 ohms

Effective Damping Factor: 6.3 at 4 ohms

Frequency Response (-3dB): 11Hz to 330Hz (-3dB)

Maximum Input Signal: 6V

Maximum Sensitivity: 100mV

Dimensions (L x W x H): 14-3/16 x 9 x 2-11/16 inches (360 x 229 x 68 mm)


About Infinity

Infinity was founded in 1968 on a unique blend of technology, performance, and design. Today, Infinity offers three tiers of automotive speakers comparable to the best home-audio components. Infinity Kappa Perfect, Kappa, and Reference Series speakers deliver performance that rivals the best the competition has to offer.


What's in the Box

Infinity Reference 1300a Mono Subwoofer Amplifier (Silver/Black), Remote Bass Control and Cable, Mounting Hardware, Fuses, User's Manual


Infinity Amplifier Options

Infinity has approached the amplifier category with the objective of delivering maximum CEA-rated power with all the right features to get the job done. Infinity's Reference amps simply deliver.
Infinity Reference 1300a Mono Subwoofer Amplifier Infinity Reference 1600a Mono Subwoofer Amplifier Infinity Reference 5350a 5-Channel Amplifier Infinity Reference 475a 4-Channel Full-Range Amplifier

Buy NowGet 36% OFF

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8/29/2011

100 feet of LMR400 Ultra Low Loss Coax Cable *White Color* with N Male Connector Ends Review

100 feet of LMR400 Ultra Low Loss Coax Cable *White Color* with N Male Connector Ends
Average Reviews:

(More customer reviews)
This cable works very well for my case.It is high quality and although rather stiff, was more flexible than I expected.It would get 5 stars but it's rather expensive.

Click Here to see more reviews about: 100 feet of LMR400 Ultra Low Loss Coax Cable *White Color* with N Male Connector Ends

Product Description:
LMR-400 is a low loss, braided coaxial cable offers similar performance compared to corrugated copper products but with higher flexibility and simplified connectorization. Can be used in almost any application where handling characteristics, improved shielding and low loss is required.

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8/24/2011

Open House H816BID Bi-Directional Whole House Video Distribution Amplifier Review

Open House H816BID Bi-Directional Whole House Video Distribution Amplifier
Average Reviews:

(More customer reviews)
I was going to replace a cheapie Radio Shack amplifier and several splitters with this one splitter/amplifier.Well, the reception as worse that the original configuration. I ended up returning to the original setup.In that application I was hoping to use it just didn't work.I would thick twice before purchasing one.

Click Here to see more reviews about: Open House H816BID Bi-Directional Whole House Video Distribution Amplifier

Product Description:
The Open House H816BID Bi-Directional Whole House Video Distribution Amplifier distributes CATV or antenna signals to up to six televisions. Two of the six outputs feature additional signal gain for longer RG-6 coax cable runs. The Model H816BID is bi-directional to support two-way cable systems. The H816BID is compatible with broadcast DTV television signals on the VHF and UHF bands. It is not compatible with digital or analog CATV signals above 806 MHz (CATV channels 127-140).

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7/10/2011

GE AV93290 4-WAY DISTRIBUTION AMPLIFIER Review

GE AV93290 4-WAY DISTRIBUTION AMPLIFIER
Average Reviews:

(More customer reviews)
This distribution amp doesn't work at all. In fact the output is worse than not using it at all!

Click Here to see more reviews about: GE AV93290 4-WAY DISTRIBUTION AMPLIFIER

Product Description:
09-11-2007 - Brand New Item. Description - GE AV23290 4-Way Distribution Amplifier

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6/23/2011

Infinity Reference 1600a 600-Watt, High-Performance Mono Subwoofer Amplifier (Silver/Black) Review

Infinity Reference 1600a 600-Watt, High-Performance Mono Subwoofer Amplifier
Average Reviews:

(More customer reviews)
This Infinity Reference amplifier is just what i needed for my single 10" in my trunk. Thanks

Click Here to see more reviews about: Infinity Reference 1600a 600-Watt, High-Performance Mono Subwoofer Amplifier (Silver/Black)

Product Description:
The Infinity 1600a is a 600-Watt mono subwoofer amplifier with on-board electronic crossover and variable bass boost circuit.

Infinity Reference Series Amplifiers

Looking for a more moving audio experience? Take Infinity car audio for a ride. Innovative materials and breakthrough engineering have always put Infinity products out in front of the competition. So expect extreme output from Reference Series amps, but be prepared for accuracy and detail that may surprise you. There is no better way to make your car audio system stand up and deliver than by powering your speakers and subs with Infinity electronics.



All the right features to get the job done. Click to enlarge.

Infinity 1600a Features


Class D Subwoofer Amps
Efficiency is the benefit of the Infinity Reference Series Class D subwoofer amplifiers. A higher percentage of the power the amp extracts from the car's charging system is converted into output to the speakers, and less is wasted as heat. That is really important if you're trying to provide power to a 1000-watt amplifier. Class D technology turns the analog input signal into a series of pulses that can be amplified more efficiently by transistors used as switches, rather than valves. They're either on and operating at their most efficient level, or they're off. The pulses are converted back into an analog signal by an output filter.
CEA-2006-Compliant
All Infinity amplifiers are tested in accordance with CEA-2006, which provides a testing procedure to help customers compare amplifiers accurately--apples to apples. Specs are based on industry-accepted standards, rather than on the whims of amplifier companies' marketing departments. Look for the CEA-2006 logo when comparing amplifiers, to be sure you're getting the power you're paying for.
Audiophile-Quality Full-Range Amplifiers
Class AB full-range amplifiers offer audiophile quality performance and the best compromise between efficiency, low distortion, maximum available headroom and output power.
Amps That Don't Break
Infinity amplifiers are tested according to the strictest and most demanding reliability-testing regimen ever designed for car audio amplifiers. They are shaken, baked, frozen, dropped and shocked--all while they're operating. When they've passed all these tests, they are tested again. The result is a series of amplifiers that just don't break.
DBO Bass-Optimization Circuit
provides superior control and adjustability, compared to traditional bass-boost. DBO is a 2nd order high-pass filter that can be adjusted between 20Hz and 80Hz. The boost (or Q) adjustment boosts the signal above the highpass filter frequency. Used with a sealed box, it can help to increase output for more "fun" if it's set to about 45Hz. If it's used with a vented box, it should be set at or slightly below the tuned frequency of the box. That will prevent woofer unloading, and provide more output at the frequency where the box is tuned and the woofer's excursion is minimized--where it can handle more power.
Onboard Electronic Crossovers
Reference Series amplifiers include 2nd order (12dB/octave) slopes and are continuously variable from 32Hz to 200Hz.
Variable Bass-Boost
Provides up to 12dB of boost at 50Hz in the Reference Series full-range amplifiers.
Direct-Connect Terminals
Eliminate the need for additional solder-on or crimp-on terminals and provide an easy and reliable connection for power, ground and speaker wires.
Full-Range Preamp Outputs
Eliminates the need for signal splitters.
Included Remote Level Control
The amount of bass in popular recordings differs greatly from track to track. This remote level control varies the output of the amplifier from no output up to the maximum output level that you set with the input sensitivity control.


Infinity 1600a Specifications


Power Output: 400 watts RMS x 1 channel at 4 ohms and less than or equal to 1% THD + N

Signal-to-Noise Ratio: 85dBA (reference 1 watt into 4 ohms)

Dynamic Power: 600 watts at 2 ohms

Effective Damping Factor: 6.3 at 4 ohms

Frequency Response (-3dB): 11Hz to 330Hz (-3dB)

Maximum Input Signal: 6V

Maximum Sensitivity: 100mV

Dimensions (L x W x H): 14-3/16 x 9 x 2-11/16 inches (360 x 229 x 68 mm)


About Infinity

Infinity was founded in 1968 on a unique blend of technology, performance, and design. Today, Infinity offers three tiers of automotive speakers comparable to the best home-audio components. Infinity Kappa Perfect, Kappa, and Reference Series speakers deliver performance that rivals the best the competition has to offer.


What's in the Box

Infinity Reference 1600a Mono Subwoofer Amplifier (Silver/Black), Remote Bass Control and Cable, Mounting Hardware, Fuses, User's Manual


Infinity Amplifier Options

Infinity has approached the amplifier category with the objective of delivering maximum CEA-rated power with all the right features to get the job done. Infinity's Reference amps simply deliver.
Infinity Reference 1300a Mono Subwoofer Amplifier Infinity Reference 1600a Mono Subwoofer Amplifier Infinity Reference 5350a 5-Channel Amplifier Infinity Reference 475a 4-Channel Full-Range Amplifier

Buy NowGet 57% OFF

Want to read more honest consumer review about Infinity Reference 1600a 600-Watt, High-Performance Mono Subwoofer Amplifier (Silver/Black) now ?

6/12/2011

TV / VCR 10dB Signal Amplifier Review

TV / VCR 10dB Signal Amplifier
Average Reviews:

(More customer reviews)
This gadget did not make any change to the signal whether it was switched on or off.

Click Here to see more reviews about: TV / VCR 10dB Signal Amplifier

Product Description:
Our video signal amplifier or splitter increases VHF, UHF, and FM radio signals by 10dB, and compensates for weak signal which occurs during long run or multiple TV and VCR connections from the same source. Use with both RG6 and RG59 coaxial cable.

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5/29/2011

Open House H816BID 1 X 6 Powered Video Amp Review

Open House H816BID 1 X 6 Powered Video Amp
Average Reviews:

(More customer reviews)
Once I plugged this in, I noticed a definite improvement on my analog cable signal (signal that doesn't come through a box).And since that was my greatest concern, I would have been happy there.But I also noticed a significant difference with how digital and HD looked afterward as well.What I noticed most was the lack of 'blockiness' that tends to occur with fast moving video images.While there is still some, I think this device eliminated any blockiness that existed due to the signal being split out.
I cannot speak to the long cable runs as my longest run is only about 50 feet, but that run does look great.
My only hangup is that it's pretty clear the manufacturer wants you to use their utility boxes for wiring.Anything else will require some imagination.So if you keep all your RG6/cat5hubs in a cabinet, you may find this a little frustrating to mount.
Otherwise a great piece of equipment.

Click Here to see more reviews about: Open House H816BID 1 X 6 Powered Video Amp

Product Description:
Distributes CATV or antenna to 6 TVs . 4 standard outputs (up to 75'), 2 long outputs (up to 150') . Broadband 54-806 MHz amplifier . Bi-directional with a 5-42 MHz return path for cable modems, interactive applications, etc.Can be mounted upside down

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5/24/2011

Boostaroo R234 Revolution® Headphone Amplifier & Sound Enhancer, Review

Boostaroo R234 Revolution® Headphone Amplifier & Sound Enhancer,
Average Reviews:

(More customer reviews)
Before I plugged in to my iPod, I had the iPod volume at about 75%. With Revolution, the volume is at 30% leaving me with plenty of room to make it louder if needed. Also, due to the volume being lower, the Revolution extends the battery life of the audio device.

Revolution looks like a white rectangle box with nothing but a couple of holes for the jacks and two AAAA batteries (that's not a typo). The package also includes two patch cords: one is three and the other is six inches long. When the jack is plugged in, the LED power indicator light comes on so you know it's in use. It's designed for use with high-end (60 ohm+) headphones. Anything less than that can't handle the Revolution's power.

The technology provides the listener with a surround sound feel, like being in a quality concert hall. The device weighs six ounces and comes in white, black, silver, and black/silver.

To use it, simply plug your headphones into the top of the Revolution. Then take one of the Revolution jacks and plug it into the side of the Revolution with the other end plugged into the audio player. If another person wants to connect, then plug the headphones into the other open jack.

Users who have attempted to share audio find using a splitter sacrifices the sound and quality. Revolution doesn't have this problem as each listener can hear as well as they would if they weren't sharing. Travelers can stop straining to hear portable devices in an airplane, gym, or other noisy setting. The device also adds power to cheaper headphones, but remember the headphones need to be able to handle 60 ohm+.

Its battery door feels fragile - like it could break while I was putting the door back on. But it is unlikely it could be stronger as the purpose of this product is to be as small and lightweight as possible. AAAA batteries are expensive, so this is an added expense. However, every Revolution comes with two batteries to get you started.

Its use is not limited to audio players. It works with DVD players, Windows Mobile devices, PalmOS devices, notebooks, laptops, and satellite radio. The batteries are supposed to last for approximately 24 hours of constant use. The device comes with a 12-month warranty on parts and services.

4 stars on quality
3.5 stars on expense -- if you don't have the required headphones, you have to shell out more.

Click Here to see more reviews about: Boostaroo R234 Revolution® Headphone Amplifier and Sound Enhancer,

Product Description:
If your portable audio player uses headphones or mini-speakers, you'll want to check out the Boostaroo Revolution R234-2 High Definition Amplifier and Splitter. This small, pocket-sized can increase the volume of your audio player by up to 40 percent. The Boostaroo Revolution is a great and economical way to increase the volume of your own portable player through your headphones or mini-speakers, or share your music with up to two additional listeners. Best of all, the Boostaroo Revolution can take all three headphones at once without any noticeable difference in output or frequency response. This means that everyone will have access to the same high-performance music without any loss of quality. And at only three ounces, the Boostaroo Revolution is certain to become your companion wherever your music takes you.

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5/05/2011

Electroline EDA 2100 1-port RF/CATV Amplifier Review

Electroline EDA 2100 1-port RF/CATV Amplifier
Average Reviews:

(More customer reviews)
Been using this for several days now, just one of many drop amps I've tried over the years. It has good contrast, low noise, and smooth, even transmission across the full spectrum of analog and digital channels -- as opposed to several amps that vary in clarity between low-band and high-band channels. It certainly beats competitive products from Motorola, Radio Shack (no surprise!), and the noisy PCT amp with its reddish color balance. The only area in which it doesn't excel is that it lacks a subtle snap and sparkle that I had with my old PDI drop amp -- but that amp's 7 years old and showing its age. It seems to have a softer image than the PCT or PDI. But this is a relative judgment, and most of its competitors don't come close to its clarity of image and clean color. No drop amp is perfect. This one seems worth the few extra bucks. Take some care, though: 15db is more power than many people need. I'm using it with two 2-way and one 3-way splitter down the line, with a total loss of -12.5 db on my line.Thus I actually have about 2.5 db more power than I really need, so many people might consider a 10 or 11db amp as more appropriate. In my case I inserted 3db of Antronix line resistance to avoid overloading my tv and recorders. If it weren't for that slight difference in sharpness and sparkle, I'd have given this 5 stars instead of 4. But most people won't see the difference. For sure, I'd recommend this drop amp over any others at Amazon now in the under-$100 range.

Click Here to see more reviews about: Electroline EDA 2100 1-port RF/CATV Amplifier

Product Description:
Maximize the performance of your off-air/cable distribution network with an Electroline EDA 2100 amplifier. The single port EDA 2100 is designed to boost both analog and digital off-air signals, as well as CATV signal by 15 dB over a single port. Expect nothing but the highest quality signal combined with the most reliable performance. The EDA 2100 features an industry benchmark for low noise at 3 dB, and the extra surge protection (XSP) has been rated at the IEEE 6 kV 3 kA combination wave standard for enhanced lightning protection. This test injects 35 times more energy than the level found in previous models, and guarantees durability that will stand the test of time. A waterproof housing and SCTE compliant 360° F-terminals ensure a nearly indestructible design, as do short-circuit protected wall adapters. Power verification is provided by a built-in confirmation LED. 5-year manufacturer's warranty.Features and Specifications: *Number of ports: 1 *Forward gain: 15 dB *Return path insertion loss: 0.5 dB *Forward passband: 54-1000 MHz *Return passband: 5-65 MHz *Frequency response flatness: ±1 dB *Noise figure: 3 dB *RFI isolation: 100 dB minimum *Surge protection (IEEE C62.41-1991, all ports) ring wave: 6 kV, 500 A, loc. B3, combination wave: 6 kV, 3 kA, loc. B3 *Operating temperature: -40°F to 140°F (-40°C to +60°C).

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4/20/2011

Upbeat Audio T793 Boostaroo USB-Powered Amplifier and 3-Channel Audio Splitter Review

Upbeat Audio T793 Boostaroo USB-Powered Amplifier and 3-Channel Audio Splitter
Average Reviews:

(More customer reviews)
Had to connect 3 kids to a DVD player with 1 output, sound and volume are great, gets its power from a USB which works perfect for me.

Click Here to see more reviews about: Upbeat Audio T793 Boostaroo USB-Powered Amplifier and 3-Channel Audio Splitter

Product Description:
Boostaroo USB-powered amplifier and 3-channel audio splitter to provide your laptop with 100% better sound.

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4/17/2011

Electroline EDA FT08100 8-port TV Signal Booster/Amplifier with Active Return Path Review

Electroline EDA FT08100 8-port TV Signal Booster/Amplifier with Active Return Path
Average Reviews:

(More customer reviews)
I purchased this unit because I have two analog feeds and two QAM digital capture feeds (via an HDHR unit) that I use in conjunction with SageTV for recording television.I also have a cable modem so there's a couple splitters involved.I did purchase good passive splitters (Monster 2 and 3 ways), however the QAM signal quality levels and the modem performance were not ideal.

I got this model because of the cable modem support.Imagine my surprise when the first thing to pop out of the box is a note from the manufacturer that it's best to put your cable modem on it's own line off a splitter and not hook it up to this unit because some signal loss may occur.What the..?!?!?After ranting for a while and generally annoying my wife with my whining I hooked it up anyway and took some measurements.Fortunately their warnings are not necessary - they may want to think about rewording that little note a pinch.

Here's the hard numbers:

The QAM capture signal strength using a Monster 3 way split off the single line coming in my house (I have no up stream splitters - it's all centralized in closet) for the HD ABC feed had a strength of 88 and a signal quality of 92.Putting the one line as the feed into the 8 port amplifier and running the QAM ports off of it the strength jumped to 92 and the signal quality hovered around 94.Nice.Doesn't sound like a huge deal but for HD QAM captures it makes a difference.

I didn't notice any different before or after with the analog channels - I wasn't having a problem with those.

The cable modem was the item I worried about.Downstream from the splitters it was pretty bad - anything would be an improvement.With the outside cable plugged into the Motorola modem directly downstream signal to noise ratio was 38.6 dB (higher is better, anything over 30 and you're aces), the down stream power is .2 dBmV (fine) and the upstream power was 42 dB (anything less than 50 and you're fine).After running it through the 8 port amp the downstream noise ratio was 38.3, down stream power 1.7 and the upstream power stayed at 42.All dandy numbers.I checked the speeds at several sites before and after and they all averaged about 10 meg down and 1.5 meg up across the boards - virtually no difference.Just about exactly as good as a direct connection and much better than down stream from a passive splittler, even a good one.

So - short version I'm extremely happy with the purchase but I'd suggest to the fine folks at Electroline that they rethink their warning note in their box so as not to tick folks off too quickly for no reason.

Click Here to see more reviews about: Electroline EDA FT08100 8-port TV Signal Booster/Amplifier with Active Return Path

Product Description:
With the trend of more single family houses being built, Electroline introduces the Flat-Top amplifier to meet the expectation of having cable service in every room in the house. The EDA-FT 08100 Flat-Top is designed for large houses with a cable or off-air drop in every room. The flat top configuration keeps the wiring more compact and neater in both outdoor subscriber box or wall-mounted applications and eliminates the technical problems associated with trying to fit a standard 8 port amplifier into a box that is too small creating crushed and kinked cables that wreak havoc with digital services. Electroline Flat-Top amplifiers are the only amplifiers to offer a configuration with all F-connectors on the bottom edge of the amplifier, facing down. Also, Flat-Top amplifiers come with an active return path which makes managing return signal levels straightforward. With 0 dB of loss in the return path, interactive services can be deployed in any room without rewiring.Features and Specifications: *Number of ports: 8 *Forward gain: 3 dB *Return path insertion loss: 0 dB *Forward passband: 54-1000 MHz *Return passband: 5-42 MHz *Frequency response flatness: ±1 dB *Surge protection (IEEE C62.41-1991, all ports) ring wave: 6 kV, 500 A, loc. B3, combination wave: 6 kV, 3 kA, loc. B3 *Operating temperature: -40°F to 140°F (-40°C to +60°C).

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2/25/2011

CE LABS 6001 Prograde 1 GHz Bi-Directional RF Amplifier Review

CE LABS 6001 Prograde 1 GHz Bi-Directional RF Amplifier
Average Reviews:

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I am using this for my CATV that has three splitters after it. The incoming signal was not very strong and after the third splitter, the picture was terrible on one tv.After installing the RF amp, it was beautiful. The CE 6001 has 20 db of gain (more than most other RF amps). I ended up turning the gain down a little (a very useful feature although you need a very small screwdriver to do it) to be sure it did not overload the front end of my tv off the first splitter. I had an RS version (15-2505) previously and it did ok but added a little noise on the weakest signals. That was all plastic and certainly not weatherproof. In contrast, the CE 6001 is a nice, sturdy sealed aluminum case and I could not see any evidence of additional noise on even the weakest channels.

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Product Description:
The Smart Disk 6001 allows you to experience distortion-free pictures on every TV in the house. It addition, it offers superior performance to inexpensive, store-bought RF amplifiers.

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