Check This Amp Out
Thread Starter
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Senior User
Joined: Jan 2008
Posts: 174
Likes: 0
From: Western Pennsylvania
Check This Amp Out
I am no car stereo buff and I need help. I recently purchased an Alpine head which has the following power:
CD receiver with built-in amplifier (18 watts RMS CEA-2006/50 peak x 4 channels)
I also put four of the following Polk Audio speakers in my doors and kick panel:
db571
5 X 7 coaxial loudspeaker
Incredible Sound/Affordable Price
<TABLE><TBODY><TR><TD class=specsMinor vAlign=top>Overall Frequency Response</TD><TD vAlign=top>52Hz-22kHz</TD></TR><TR><TD class=specsMinor vAlign=top>Nominal Impedance</TD><TD vAlign=top>4 ohms</TD></TR><TR><TD class=specsMinor vAlign=top>Power Handling (continuous)</TD><TD vAlign=top>60 w</TD></TR><TR><TD class=specsMinor vAlign=top>Power Handling (peak)</TD><TD vAlign=top>180 w</TD></TR><TR><TD class=specsMinor vAlign=top>Efficiency</TD><TD vAlign=top>93 dB</TD></TR></TBODY></TABLE>
Alpine has come out with this power booster amp to increase the head unit power:
Alpine Electronics of America, Inc. - KTP-445
My question is, Do you guys think this will make the speakers sound any better. The sound is awesome now but I think they will sound unbelievable with more power to them. I dont want subs and a high priced amp, I am on a budget. Help me you car stereo buffs?
Thanks
Bowdog
CD receiver with built-in amplifier (18 watts RMS CEA-2006/50 peak x 4 channels)
I also put four of the following Polk Audio speakers in my doors and kick panel:
db571
5 X 7 coaxial loudspeaker
Incredible Sound/Affordable Price
<TABLE><TBODY><TR><TD class=specsMinor vAlign=top>Overall Frequency Response</TD><TD vAlign=top>52Hz-22kHz</TD></TR><TR><TD class=specsMinor vAlign=top>Nominal Impedance</TD><TD vAlign=top>4 ohms</TD></TR><TR><TD class=specsMinor vAlign=top>Power Handling (continuous)</TD><TD vAlign=top>60 w</TD></TR><TR><TD class=specsMinor vAlign=top>Power Handling (peak)</TD><TD vAlign=top>180 w</TD></TR><TR><TD class=specsMinor vAlign=top>Efficiency</TD><TD vAlign=top>93 dB</TD></TR></TBODY></TABLE>
Alpine has come out with this power booster amp to increase the head unit power:
Alpine Electronics of America, Inc. - KTP-445
My question is, Do you guys think this will make the speakers sound any better. The sound is awesome now but I think they will sound unbelievable with more power to them. I dont want subs and a high priced amp, I am on a budget. Help me you car stereo buffs?
Thanks
Bowdog
Post Fiend
Joined: May 2006
Posts: 10,007
Likes: 4
From: Central Florida
A bit better. You can pick up 1.5dB or there about. Your still only talking about 27 watts RMS, so your only pushing the speakers to half of their power handling. I would go ahead and buy a 4x50 to 4x75 watt amplifier and set it up correctly. Your going to gain about 6dB this route (I think I calculated that right but it could be 9dB).
The size of the speakers will not make that much difference. The power going to them will. Your HU is putting out 18w and the speakers can work up to 60w. The closer to max power, the more dB they will produce without distortion.
The size of the speakers will not make that much difference. The power going to them will. Your HU is putting out 18w and the speakers can work up to 60w. The closer to max power, the more dB they will produce without distortion.
Thread Starter
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Senior User
Joined: Jan 2008
Posts: 174
Likes: 0
From: Western Pennsylvania
Could anybody recommend a brand of amp....it would greatly help if you could provide a link to what you are recommending. Keep in mind that I am on a limited budget and would really like to keep it as low as possible.
Does anybody have one for sale?
Help me out.
Bowdog
Does anybody have one for sale?
Help me out.
Bowdog
Post Fiend
Joined: May 2006
Posts: 10,007
Likes: 4
From: Central Florida
This one was recommended to me by one of my instructors at Installer's Institute, Alpine Electronics of America, Inc. - PDX-4.100
More Turbo
Joined: Aug 2007
Posts: 555
Likes: 2
From: Washington state
