How to Choose an Amplifier.

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weedfan

Member - Posts: 42

Joined: April 03, 2006

Location: United States

Posted: April 16, 2006 at 1:08 AM / IP Logged

so if i got a 4 channel 2000watt amp and i had 2 800 watt subs , would that work? can i use more subs?

haemphyst

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Posted: April 16, 2006 at 4:04 AM / IP Logged

j0ne wrote:

Very good info, its odd, i see alot of crappy amps being sold for way too much, nothing new, however, Profile seems to make good quality stuff for as cheap as it gets. I run the CL800 for my sub. $100.01 shipped. Signal / Noise Ratio- >105db Total Harmonic Distortion->0.05% Bridged RMS at 4 ohms- 600 watts and 2 30 amp Fuses. Any one see anything really wrong with theese amps? I am really impressed with them, and am about to recomend them in my next amature install.

No, I have seen decent results using Profile amps as well. Their efficiency is a bit optimistic on that amp. I get 69.4% efficiency. I would say a little bit of derating is in order, say closer to 500 to 520 watts on an RMS basis.

weedfan wrote:

so if i got a 4 channel 2000watt amp and i had 2 800 watt subs , would that work? can i use more subs?

It would really depend on the hardware... What amp? What woofers? Sealed, vented, bandpass, TL? We'll need TONS more info than that.

Generally speaking though, you can run ANY amplifier on ANY (number of) woofer(s), so long as power handling is not exceeded (read: PROPER level matchings), and the amp is not overloaded.

It all reminds me of something that Molière once said to Guy de Maupassant at a café in Vienna: "That's nice. You should write it down."

weedfan

Member - Posts: 42

Joined: April 03, 2006

Location: United States

Posted: April 16, 2006 at 5:01 AM / IP Logged

uhh... let me see . pyle driver 4 channel ,2000watt plad413 amp, two 10" 800watt pioneer ts-w256c subs. sealed i guess..thats all i know right now . im knew 2 all this stuff.

duoproductionx

Copper - Posts: 49

Joined: December 26, 2005

Location: United States

Posted: April 24, 2006 at 10:46 PM / IP Logged

always remember the peak power means nothing i went to a large sale advertising "1000w amplifiers for 100 bucks!"

they were pyramid giant ass looking things, no RMS or any actual specs arround the thing, had to get a guy to open the box to find out that this "1000w amp" was pushing 20w RMS on 2 channels, funny consittering my 'lesser amp' from walmart to push my 5.25s and 6x9s is a 4 channel amp with 50rms on EACH channel. so remember children, RMS, love peak power!

97 Monte Carlo

CDA-9885, PZI Crunch 5 channel,12in MB Quart Premium.

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weedfan

Member - Posts: 42

Joined: April 03, 2006

Location: United States

Posted: April 26, 2006 at 6:47 AM / IP Logged

so u sayin that amp aint 2000watts?

Master Asylum

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Joined: November 05, 2004

Location: United States

Posted: April 28, 2006 at 12:44 PM / IP Logged

Hae, you know I love you... Wow, its been many months and I come back to see this wickedly nice read. Thanks for making time at work actually informative! Anyways... Very wonderful read and you certainly deserve the certification thing under your name(cool as heck idea).

And he was saying simply that your amp may not be capable of its listed power. Just try and find a RMS rating number for it. If there isn't one of those available than one of the guys can explain a better way to try and figure it out. I just wouldn't rely on it, my personal opinion though.

1998 Monte Carlo w/

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DYohn

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Posted: April 28, 2006 at 1:01 PM / IP Logged

weedfan wrote:

so u sayin that amp aint 2000watts?

Yes, that's exactly what he's saying. What kind of fuses are in that amp?

Master Asylum wrote:

Hae, you know I love you... Wow, its been many months and I come back to see this wickedly nice read

Welcome back!

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weedfan

Member - Posts: 42

Joined: April 03, 2006

Location: United States

Posted: April 28, 2006 at 10:52 PM / IP Logged

dont know ... it dont say.

DYohn

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Location: Arizona, United States

Posted: April 29, 2006 at 12:36 AM / IP Logged

FYI, the rating on the Pyle PLAD413 is 200 watts X 4 channels @ 4-ohms. It appears to have 2 20-amp fuses, so the actual usable capability is probably more like to 50 watts per channel. There is no way in the world that amp can produce 2000 watts, period.

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weedfan

Member - Posts: 42

Joined: April 03, 2006

Location: United States

Posted: April 29, 2006 at 3:48 AM / IP Logged

dam. that sux. thats what i wanted to get for sure. so what would u suggest i should get to power 2 10" subs pioneer ts-w256c 800watts?

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