Posts Tagged Power Amplifiers

Before Buying Your Entertainment Sound System: 3 Things You Should Understand

Posted by on Saturday, 7 May, 2011

No individual on earth has ever lived abhorring the sound of music. Whether it is recorded or live, music always make a serene and enthralling effect to the soul.

Bringing the best music to your homes requires a reliable sound system. You do not need to have big and many speakers to listen to fine sounds though having them makes it grand. What you need to have is the information to equip you with how to obtain the finest instruments for an entertaining sound system. Here are three things you should be knowledgeable about for the best buy on your home sound system.

The Speakers And Amplifiers
Speakers are chiefly the main instruments in the sound system. Technically, they are electro-acoustic transducers which convert electrical signals into the sounds to make them audible even at measurable far distances. They go with amplifiers which are their system’s support. Without them, speakers cannot generate their sound output.

Speakers are single driver instruments. But for more vivid sound quality of your tracks where singers and musicians seem to present live, you can buy more speakers to load onto your amplifiers. But take note on the power capacity of your amplifiers first when you buy speakers.

Other people, when watching television in their theatre homes, use a single-speaker solution which is the Soundbar, as an alternative to the mainstream speakers. It is a bar-like speaker which you can deposit below your TV to reinforce audio. It saves space for placing wires. But on aspects of absolute audio quality, nothing can be at par in producing good quality loud sounds than the normal speakers. Mainstream speakers stand to be the ideal at boosting the audio.

Their Power Capacity
Measuring the appropriate impedance of your amplifier, which is calculated in ohms, is the major thing before you set to choose which and how many speakers will you buy. The standard impedance for amplifiers is 6 to 8 ohms. The lower the impedance, the more number of speakers you must buy.

for amplifiers and speakers. Doing otherwise will result to the failure of the sound system’s performance whether the speaker load is inadequate to the amplifier or it’s above what is essential.

Power capability also finds its meaning on how much room you will you give for your sound system instruments. As you need more speakers for your amplifier, you also need a wider room to situate them all. So when you opt to buy speakers, also check on your amplifiers and the space ready at your homes so you can fix them in a perfect location.

The Frequency Response Of Speakers
Last of all, affirm with your manufacturer the frequency response of your speakers before you buy them. Frequency response is the ability of your speakers to express the range of sound your speakers can produce which is calculated in hertz. The standard sound the human ear can hear goes about 20 hertz to 20 kilohertz.

To know how appropriate the frequency response of your speakers, measure it against the amplitude or the vibratory movement of a sound. The ideal result that you can get is a +/- decibel from the perfect flat center line. The higher the frequency response the better, but it may already deviate from the original quality of the sound. When the frequency response is near to the extreme low, we won’t be able to hear sounds on the other hand.

Always bear in mind these three things when you buy your private sound system set. Music has the power to soothe the soul. But when it becomes a noise, it has the power to be irrationally annoying already.

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Everything You Need to Know About Computer Speakers

Posted by on Sunday, 21 March, 2010

Although functioning on the same basic electronic principles with other types of audio systems, computer speakers have low-power internal amplifiers and standard audio connections that make the use possible in combination with the PC sound card. Laptops or notebooks have internal computer speakers that have an automatic connection, while personal computers normally rely on external speakers connected by coaxial cables. There are also USB computer speakers designed to match the new technological criteria specific to PC design.

The price and quality of computer speakers vary greatly. We have got used to seeing poor-quality plastic boxes in the computer packages that we buy, although some devices come with treble control and special features for equalization. The sound may be better for such cases, but still mediocre. You can even recognize good computer speakers by the presence of the sub-woofer. This core piece of equipment provides a good bass quality, and comes with power amplifiers that allows for the use of satellite speakers.

In case you want a more convenient alternative to headphones, you can even connect the iPod or the MP3 player to the computer speakers. In fact, some computer speakers have headphone jacks of their own as they are also designed for business applications besides music listening. At present, the price of the computer speakers reflects the quality; the more expensive a device, the more features it is expected to incorporate. We can only point out to the fact that computer speakers can be used with other appliances as well, and they are not limited to the PC-related tasks alone, as for example, listening to soothing music and audios subliminales.

There are nevertheless cases when the price is not relevant for the features, meaning that some computer speakers are too expensive for what they have to offer technically. It all starts with the purpose of the computer speakers. Normally, you’d like these to provide good sound quality not only when you are at the desk but when also moving around the room. Lots of computer users in fact need good speakers for excellent communication online, when the audio system is combined with the web camera.With these speakers, you always can try mensajes subliminales for a good sound ambience.

At present, many software companies, including Microsoft are making efforts to come up with computer speakers and software programs that allow the combined use of PC and speakers with minimum calibration required and at a very professional level of operation. Before this kind of technology becomes available, several other processes need to be completed, and once the tests are over, we can expect a serial production of very advanced computer speakers.


Gorgeous amplifiers, made in Utah

Posted by on Saturday, 3 October, 2009

ElectronLuv amplifiers are vacuum tube designs.

(Credit: ElectronLuv)

For over 10 years ElectronLuv has been producing custom amplifiers and high-end components.

I think they’re awesome-looking things, and I love that they’re built to order. In a way ElectronLuv’s design ethos reminds me of the “American Chopper” TV series where they custom build high-end motorcycles to order. But in this case it’s stereo pre- and power amplifiers, guitar amplifiers, turntables, and horn speakers designed to meet ElectronLuv’s customers’ desires.

ElectronLuv also makes custom guitar amplifiers.

(Credit: ElectronLuv)

Some might call it steampunk or retro chic, but I think ElectronLuv products are unique and represent the best of American high-end audio.

ElectronLuv’s Josh Stippich needs three to six months to design and build each of his one-of-a-kind products. In the early design stages Stippich sends his customers drawings to get feedback so he can give them exactly what they want.

Originally posted at The Audiophiliac


The $1,000,000 speaker

Posted by on Thursday, 6 August, 2009

This is one pair of Ultimates!

(Credit: Transmission Audio)

High-end audio prices are getting crazy lately, but this $1,000,000 speaker–the Ultimate–may be the most expensive speaker in the world.

Please understand that $1,000,000 buys one speaker, so you’ll need to shell out $2,000,000 for stereo, and at least five million for your Ultimate home theater.

The Ultimate is a rather large speaker–each one consists of six, seven-foot tall panels. Each Ultimate houses a total of forty 15-inch subwoofers, twenty-four 8-inch woofers, and massive arrays of 2-inch wide and 1-inch wide ribbon tweeters. All of this is for a single channel/speaker, double those numbers for stereo! A pair of Ultimates are nearly forty feet wide!

That pretty much rules out my chances of getting the Ultimate for review in my Brooklyn apartment, oh well.

Each Ultimate speaker comes with its own power amplifiers, with an output of 31,000 watts, and the manufacturer claims the Ultimate can generate up to 146dB SPL, that’s a lot louder than a jet plane taking off. And just because it can play that loud, doesn’t mean it has to. Just because a Ferrari can go 200 mph, doesn’t mean it can’t cruise at 55.

Originally posted at The Audiophiliac