Question about Generic Memory Clif Designs 4000W Digital Clas X Amplifier Car Audio Amplifier

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Bass perfect when I drive but as soon as I drive slower it goes softer?

Hi

I have a 4000Watt Monoblock amp running at 1 OHM 2000Watt Rms powering 2 12" 400RMS subs. Also I have a 1.5 Farad capacitor helping the amp.

When I drive my sound is great but as soon as I stop then the bass gets soft. W

Does anyone know what could be wrong?

Thanks

Louritz

Posted by on

  • Louritz Apr 01, 2008

    Hi

    My radio has a built in function call ACL(Audio Control Leveling) or something like that and was set on level seven. So for every like 8mph I drive it increases my volume with like 10%.
    Live and learn moment for me :)

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Sounds like maybe you are not getting enough power to your amp. It sounds like you have a pretty powerful amp and it could be you don't have a large enough cable going back to your amp. If you have access to a volt meter then you could take a reading of your "12volt" power connection at the amp while stopped and amp running to see if you do indeed have 12 volts or better. If it is getting down to 11 or 11.5 volts then you will need to improve that. I have a saying that when you have a huge amp you must wire it as if you are trying to power your cars starter motor from the trunk and wire accordingly. And that means your ground connection too. Don't forget the ground connection from the battery to the car's chassis. Maybe this will help. Good luck.

Posted on Mar 31, 2008

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2 Answers

I dont know how many watts it is


4 Ohm Stereo Power (RMS): 250W X 2
4 Ohm Mono Power (RMS): 850W X 1
2 Ohm Stereo Power (RMS): 450W X 2
Signal-to-noise ratio: 100 dB
Frequency Response: 5 Hz - 50 KHz
Total Harmonic Distortion: 0.05%
Input Sensitivity: 200mV-4V
Length: 16.93"
Width: 11.66"
Height: 2.37"
Continuously variable 0 - 18dB Bass Boost
Built-in continuously variable 18dB per octave crossover, from 50Hz to 250Hz

Dec 23, 2010 | Concept CC-2502 Car Audio Amplifier

1 Answer

I have 2 dvc 4 ohm alpine type r 15's and 2 svc american bass


Hi mate very nice amp you got there here is the specs for it



Model: MA Audio HK401SX
Hard Kore Series 1800 Watt 1 Channel High Performance Class X Car Amplifier
1 x 1800W RMS @ 0.5 Ohm Mono
1 x 1200W RMS @ 1 Ohm Mono
1 x 650W RMS @ 2 Ohm Mono
1 x 500W RMS @ 4 Ohm Mono
Fully Unregulated MOSFET Power Supply
2 Ohm Stable @ Mono
1 Ohm Stable @ Mono
0.5 Ohm Stable @ Mono

if you have 2 12s just bridge them and you will have 650wrms at 2ohm running to them or one sub at 4 ohm 500w rms ps they should pump iam running 2 12s with just 360rms at 2ohm and they do the job good luck


Oct 19, 2009 | MA Audio HK401SX Car Audio Amplifier

1 Answer

No manual for my amp.


  • Class-D Monoblock Amplifier
  • Bass Boost Level and Frequency Remote Included
  • Variable Low-Pass Filter: 50 - 200 Hz (24 dB/Oct.)
  • Variable Input Sensitivity: 200mV - 5V
  • Phase Shift: 0° / 180°
  • Variable Infrasonic (Subsonic) Filter: 0/15Hz/25Hz (18 dB/Oct.)
  • High- and Low-Level Inputs
  • 1 Ohm Stable
  • RMS Power Output:
    • 500 watts x 1 chan. @ 4 ohms
    • 900 watts x 1 chan. @ 2 ohm
  • Preamp Outputs: 1 Pair
  • Bass Boost: 0 - 18 dB @ 40 - 100 Hz (Variable)
  • Dimensions: 15" L x 11-5/16" W x 2-3/8" H

Oct 05, 2009 | Kenwood KAC-9152D Car Audio Amplifier

1 Answer

How many watts dose a concept cc-752L amp have ?


4 Ohm Stereo Power (RMS): 75W X 2
4 Ohm Bridged Power (RMS): 250W X 1
2 Ohm Stereo Power (RMS): 125W X 2
Signal-to-noise ratio: 100 dB
Frequency Response: 5 Hz - 50 KHz
Total Harmonic Distortion: 0.05%
Input Sensitivity: 200mV-4V
Continuously variable 0 - 18dB Bass Boost
Built-in continuously variable 18dB per octave crossover, from 50Hz to 250Hz

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1 Answer

I just need to know the best way to hook my amp and subs together. i like a lot of bass. i just bought the subs and yhey dont really sound any diffrent. should i get a new amp.


Hello hembreegerry,

If you like a lot of bass, you definitely need to consider another amp. The SP2X-300 is only rated at 170 watts RMS into 4 ohms mono. That would barely be enough to power one small sub. You do not specify what brand and model your subs are, their impedance, or their power handling capacity. But for any subs, your best power solution is to add together the individual RMS power handling capacity and select a monoblock amp that provides close to the maximum at the impedance they will be wired to present. For example, if your subs are 4 ohms and have a maximum RMS of 250 watts, you would want an amp that outputs abour 500 watts into 2 ohms (2 4 ohm subs wired in parallel = 2 ohm load). An ideal amp in that example would be the Alpine MRP-M500 which outputs 500 watts RMS into 2 ohms.

Hope this helps.

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1 Answer

Bass 2 powerful?


yes will definately blow them you need bigger speakers! im stuck on ma audio subs great wattage for the price ! and shake hard!

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1 Answer

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The VS3507 Is a class D monoblock.
Your optimum wiring for this amplifier is a 2 Ohm load - so it produces its full potential power of 350W RMS.

To Achieve a 2 ohm load, the most common load is one of the following...
(1) Dual 4 Ohm Voicecoil Subwoofer Wired in Parallel.
(2) 4 Ohm Voicecoil Subwoofers wired in Parallel.
(1) Quad 2 Ohm Voicecoil Subwoofer wired in Parallel/Series.
(1) Single 2 Ohm voicecoil subwoofer.

American Pro VS3507 2000W Car Audio Monoblock Amplifier
American Pro VS3507 Monoblock Amplifier Details
  • Built-In Crossover
  • Variable High/Low Pass Filters
  • Phase Shift Control
  • Subsonic Filter
  • Bass Boost Control
  • Dancing Lights at the Rhythm of Music
  • Protection Circuits
  • Gold Plated Terminals
  • Power & Protection Circuit LED
  • 1 x 250 Watts RMS @ 4 Ohms
  • 1 x 350 Watts RMS @ 2 Ohms Thanks for using FixYa - A FixYa rating is appreciated!!

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1 Answer

Subs and amp problem


2 subs and 1 amp

Nov 16, 2008 | Car Amplifiers

1 Answer

Help


one wire to pos to amp plus to speaker one. now secound speker use neg. to neg. on amp. now take a speaker wire and hook up the remaining neg. post. on the spekers. This will run them in seris like my 4000watt rms amp at a 2 ohm load. Make sur your speakers can handel the rms load of amp. If not they will blow.

Jul 19, 2008 | Car Amplifiers

1 Answer

Car Audio System Drwing too much power with 2 different Amps


A dual voice coil speaker can be wired to be a 2 ohm speaker or an 8 ohm speaker depending on whether you wire it in series (8 ohm) or parallel (2 ohm). When you bridge your amp then the two channels will share the load from your speaker. If the speaker is wired as 8 ohm then each channel of the amp is driving a 4 ohm load which is fine. If you are bridged into a 2 ohm speaker then each channel will be driving a 1 ohm load, which is a very very heavy load. Is your amp designed to drive a 1 ohm load? If not then that would explain why you are having a problem.

Sep 13, 2007 | Jensen LXA300 Car Audio Amplifier

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