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#25808 - 11/17/03 08:45 AM What is an amp?
x94blair3 Offline
local

Registered: 10/14/03
Posts: 257
Loc: Grand Rapids, MI
Okay, so I have to admit..for all my research I don't really know what this is supposed to do. I trust one of the resident geniuses could clear it up for me pretty quickly or reference me to the right article to do so.

I know it sounds absurd that I wouldn't know what this is really doing, but I never really got into car audio and as previously discussed my home components have been all in one until now.

Thanks,

Nick
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My M60's make me listen
My M80's make my ears hear
Either way - I'm not deaf anymore

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#25809 - 11/17/03 10:25 AM Re: What is an amp?
2x6spds Offline
connoisseur

Registered: 03/16/02
Posts: 2726
Loc: CA, USA
Hello
I'm not an electrical engineer, the only thing I know for sure about electronic devices, is that you should never take them into the bathtub with you.

That having been said, a source like a CD player, or a microphone outputs a modulated electrical current at very low voltage. This signal is directed to the preamplifier which acts like a center on a basketball team, it sends the signal to the right place. For instance, you have a number of sources - CD player, record player, FM tuner, the preamp allows you to select the source and direct the signal from the source to the amplifier.

This low voltage signal is insufficient to drive speakers which are essentially mechanical devices so the pre amp sends the low voltage signal to the amplfier which amplifies the signal - that is, the low voltage signal enters the amplifier, which then amplifies the signal across the frequency range of the signal. Low voltage in, higher voltage - proportional across the frequency range - out. An amplifier has a power supply which provides the amp with the power to bump up the signal.

The ideal audio amplifier would instantly convert the low voltage current input to a proportionally higher current output across the entire frequency range. In other words, the ideal amp would "disappear" in your system, and act as if a larger current had been produced by the source in the first place.

Do not take any amplifier into the bathtub with you, especially if it is plugged into the wall socket.
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#25810 - 11/17/03 10:47 AM Re: What is an amp?
Haoleb Offline
connoisseur

Registered: 09/25/02
Posts: 1488
Loc: Maine
i think it would be better if you explained it in a bit more simple terms.

An amp adds more power. You need an amp. Stereo411.com used to have a faq section with this sort of stuff but it seems they dont anymore. Go down to your local library or bookstore and check out Robert Harley's complete guide to high end audio. That should get ya started.
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#25811 - 11/17/03 12:14 PM Re: What is an amp?
2x6spds Offline
connoisseur

Registered: 03/16/02
Posts: 2726
Loc: CA, USA
I see you said your home system is "all in one," so a few words about integration. "Separates," means that each component of your system is separate - Separate Sources - separate CD player, separate AM/FM tuner, separate tape player - Separate PreAmp - Separate Amplifier.

Integration. An integrated amplifier is an amplifier + preamp. An integrated amplifier allows you to connect one or more separate source inputs, provides you with the ability to select between sources from the amp, and outputs an amplified signal to the speakers.

Receivers. Receivers are the next step in integration, a source included in the same box with an integrated amplifier (preamp and amp). A stereo receiver gives you a source (FM tuner section), preamp and 2 channels of amplification. A home theater receiver gives you a source (FM tuner or for HT in a box, FM tuner and DVD player), preamp and amplification of 5, 6 or 7 channels.
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Enjoy the Music. Trust your ears. Laugh at Folks Who Claim to Know it All.

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#25812 - 11/17/03 12:45 PM Re: What is an amp?
2x6spds Offline
connoisseur

Registered: 03/16/02
Posts: 2726
Loc: CA, USA
Of course, your highest level of integration is your clock radio with built-in CD player and built-in speaker(s).
_________________________
Enjoy the Music. Trust your ears. Laugh at Folks Who Claim to Know it All.

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#25813 - 11/17/03 01:40 PM Re: What is an amp?
x94blair3 Offline
local

Registered: 10/14/03
Posts: 257
Loc: Grand Rapids, MI
Right, I know about most of the pieces of a/v equipment. And I'll be getting a home theater receiver among a crap load of other stuff. I was just having trouble absorbing the needs of an amp. At one point I mentioned that I basically only need an amp if I was looking for more power but assuming I bought a quality receiver I would be fine. And I got a some what confusing answer.

I've of course gotten more confusing answers now, but I get your general point. I'll do some reading up on Amp's and decide what I need.

As always, thanks for the informative feedback.

-Nick
_________________________
My M60's make me listen
My M80's make my ears hear
Either way - I'm not deaf anymore

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#25814 - 11/17/03 03:21 PM Re: What is an amp?
2x6spds Offline
connoisseur

Registered: 03/16/02
Posts: 2726
Loc: CA, USA
Hello Blair

Your question was, "What is an amp?" Is that what you meant to ask?
_________________________
Enjoy the Music. Trust your ears. Laugh at Folks Who Claim to Know it All.

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#25815 - 11/17/03 03:40 PM Re: What is an amp?
x94blair3 Offline
local

Registered: 10/14/03
Posts: 257
Loc: Grand Rapids, MI
Haha..I think so. At this point who knows. I wish I could make this thread go away.

Thanks for the help.

-Nick
_________________________
My M60's make me listen
My M80's make my ears hear
Either way - I'm not deaf anymore

Top
#25816 - 11/17/03 06:11 PM Re: What is an amp?
FordPrefect Offline
connoisseur

Registered: 07/05/02
Posts: 1334
Loc: Ancaster, Ontario
my dad was a war amp





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#25817 - 11/17/03 06:45 PM Re: What is an amp?
2x6spds Offline
connoisseur

Registered: 03/16/02
Posts: 2726
Loc: CA, USA
Sorry to hear that! G'luck to him - and for what it's worth, you can tell him some guy on the Axiom website said thanks, thanks to your dad.
_________________________
Enjoy the Music. Trust your ears. Laugh at Folks Who Claim to Know it All.

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