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jreybrian
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PostSubject: Help for buying amplifier   Sat Feb 27, 2010 8:56 pm

Help for buying amplifier, for my subs

kasi available ng kenwood amplifier is 1000watts and 1800watts..
its possible kahit 1000Watts lang or i should go for 1800watts?


[img][/img]
This beautiful 12 sub will shake solid ground with 1500 Watts power handling and durable rubber surround. The KFC-3514DVC includes a titanium coated cone woofer, and an oversized cone that can move more air and produce deep, chest-thumping bass.

General Features
MAX POWER 1500W
12" Woofer Titanium Coated
Dual Voice Coil
Deep Design Cone with Rubber Surround
Rubber Magnet Cover
Easy Connection
8AWG Wire Capable
Removable Reversible Gasket
Super Linear Spider
Power Range: 90-380 watts RMS (190 watts per voice coil)
Frequency Response: 25-800 Hz
Sensitivity: 93 dB
Mounting Depth: 6-13/16"
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adizeroseven
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PostSubject: Re: Help for buying amplifier   Sat Feb 27, 2010 11:20 pm

Sir when you are looking to match your amplifiers and subs, always look for the RMS power not the peak. Peak is only reached in burps which only happens when you are in a SPL competition. Your sub is rated 90-380 RMS which means when you feed it excessive power, there will be a possibility and will most likely get busted. Its either you add another sub to make it 2 for a 1000w monoamp or you get a lesser wattage mono amp, lets say a 500w mono to be safe.

I once tried running an 8" 150w rms sub on a rockford 600.1 mono. And i tell you smoke coming out of your box and subs aint a pretty sight

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jreybrian
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PostSubject: Re: Help for buying amplifier   Sun Feb 28, 2010 2:36 am

is this ok?

KAC-M615D
Class D Mono Power Amplifier




General Features
Maximum Power Output 600W
Cast Aluminum Heat Sink Design
Power MOS-FET Switching Power Supply
Built-in Variable Low-pass Filter
50-200Hz (-12dB/oct)
Built-in Bass Expander
2ohms Load Capability
Power Features
200W x 1 at 4ohms (20-200Hz 1.0%THD)
300W x 1 at 2ohms (100Hz 1.0%THD)
Dimensions
Width: 198.0mm
Height: 59.0mm
Depth: 230.0mm
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adizeroseven
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PostSubject: Re: Help for buying amplifier   Sun Feb 28, 2010 10:01 am

I think this would be a better amp. The 600w mono is just 300w rms @ 2ohms. It means the amp is not 1ohm stable so it couldnt use up the 600w. I dunno why kenwood always exaggerates the power handling of their products. just like v12, 3000watts daw gli wla kalab.ot 100w per channel

KAC8104D
Kenwood KAC-8104D Mono Subwoofer Amplifier Model KAC8104D Part No. KAC810
1 Channel subwoofer amplifier
300 watts RMS x 1 at 4 ohms (500 watts x 1 at 2 ohms)
CEA-2006 compliant
Variable low-pass filter (50-200 Hz at 24 dB per octave)
Bass boost (0-18 dB at 40 Hz )
Subsonic filter (15/25 Hz, 18 dB/octave )
Class D design
Speaker-level inputs with signal sensing turn-on
Preamp-level inputs and outputs
Fuse rating: 40A x 1
8-gauge power and ground leads recommended not included
11-1/16"W x 2-3/8"H x 9-7/8"D

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PostSubject: Re: Help for buying amplifier   Sun Feb 28, 2010 12:19 pm

thanks gd..and what capacitor should i get? what farad?
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PostSubject: Re: Help for buying amplifier   Sun Feb 28, 2010 1:14 pm

IMHO it seems you wanted to go SPL? might as well go look for higher subs with great RMS, then pair up with a good amp class D mono that would suffice the need of your amp..but if easy listening and a good 4 channel amp will do already to power your kenwood sub, have it bridge na lang.

fyi, I don't have a capacitor and only use a stock battery. but if you really want to go SPL then get a battery kinetik gel perhaps..

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PostSubject: Re: Help for buying amplifier   Sun Feb 28, 2010 3:14 pm

I don't know it yet..for now I would like to see the outcome of my setup. and maybe in the near future I will upgrade it..

This my choosen sets:

  • KDC-U446
    WMA/MP3/CD/USB Receiver with iPod Control

  • KFC-W3514DVC
    300mm Dual Voice Coil Component Subwoofer

  • KFC-M6932A
    3-way Flush Mount Speaker
    Peak Power 350W

  • KAC8104D
    Kenwood KAC-8104D Mono Subwoofer Amplifier Model KAC8104D Part No. KAC810
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adizeroseven
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PostSubject: Re: Help for buying amplifier   Mon Mar 01, 2010 12:33 am

On what car do you plan to install? In my own opinion i wouldnt take KFC-M6932A 6x9's. I'm really not a fan.. I'd rather go with coaxials because you wont have to destroy anything and fits almost everywhere. KFC-1682ie would be a good substitute? and as for the capacitor, a 1 farad or 1.5 farad will do

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PostSubject: Re: Help for buying amplifier   Mon Mar 01, 2010 1:13 am

Honda Civic 96 vtec..
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PostSubject: Re: Help for buying amplifier   Mon Mar 01, 2010 7:54 pm

ok.. then the rear would be 6x9's and the front could fit 6" coaxials

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PostSubject: Re: Help for buying amplifier   Tue Mar 02, 2010 12:50 am

tnx..
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PostSubject: Re: Help for buying amplifier   Sun Mar 07, 2010 5:37 pm

mga Sir kung bibili ako another speaker for my front speaker ano ma suggest nyu at mkabagay sa 6x9? and anung amplifier ? .
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PostSubject: Re: Help for buying amplifier   Sun Mar 07, 2010 9:51 pm

for front, go for separates! not co-axial..again know your wants, if for SQ, SPL or loud and clear, dami kasi available seps in the market.

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PostSubject: Re: Help for buying amplifier   Sun Mar 07, 2010 10:47 pm

loud and clear gd cguro..puro gusto ko kenwood gypon brand para sponsor kng abi..
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PostSubject: Re: Help for buying amplifier   Sun Mar 07, 2010 11:34 pm

jreybrian wrote:
loud and clear gd cguro..puro gusto ko kenwood gypon brand para sponsor kng abi..

tambay mode paps? nice..then if loud and clear then go for high RMS-watts, I'm not familiar with kenwood but it's sure will feed your needs. good luck!

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PostSubject: Re: Help for buying amplifier   Mon Mar 08, 2010 2:31 pm

anung watts ng amp i need para sa seps and coax..regular watts..
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nini
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PostSubject: Re: Help for buying amplifier   Mon Mar 08, 2010 6:53 pm

a 4ch 75x4 @ 4ohms will do. don't be fooled with max ratings ng mga speakers. much better if mag basi ka sa RMS ratings maki seperates man or sub. i usually don't mind brands who stated the max wattage in their boxes or manuals than RMS.

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