Kenwood KAC-9104D Car Audio Amplifier Logo

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Posted on Aug 16, 2011

Kenwood KAC-9104d amp goes into protect mode as soon as i power on double checked all wiring still have same problem if i unhook my sub then the light stops flashing?!

5 Related Answers

Anonymous

  • 46 Answers
  • Posted on Jan 14, 2009

SOURCE: KAC-9104D output terminals

Mono is mono...it just looks neater and is a lil easier to hook up

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Larry Tezekjian

  • 117 Answers
  • Posted on Jan 28, 2009

SOURCE: wiring options for amp

Te dual inputsm are tied together on the output side thus having a "MONO" amp. Most class D anps are stable down to 1 ohm (check your manuel) therefore, 2 2ohm subs are a 1 ohm load. 2 DVC (dual voice coil) 4 Ohm on each voice coil will give each sub a 2 ohm load so 2 dual4 ohm V's will give you a 1 ohm load as well. Parrallel all conections.

What subs do you have? Is this amp 1 ohm ono stable?

Larry T
Winona Lake, IN
http://www.cybersoundsaudio.com/cybersounds/vehiclepics.html

Anonymous

  • 96 Answers
  • Posted on Jun 11, 2009

SOURCE: want to bridge my subs I have a kenwood kac-719

from what i have read about your amp, it is already a mono amp, and rated for 2 ohm's, so all you have to do is wire the subs in parallel (both positives together to positive and both negatives together to negative) or series/parallel if you have dual voice coils (both positive and both negative paired on each sub, then positive from amp to positive on one sub; negative on that sub to positive on next sub; then negative on sub to negative on amp) Note though, with two dual voice coil subs, you can have a 1 ohm load with the first set up, which can damage your amp. Let me know if this helps :)

demonsm

Ot Tap

  • 253 Answers
  • Posted on Nov 27, 2009

SOURCE: Have a Kenwood KAC-9104D the red triangle is flashing

maybe when hook up something sorted and blew the sub side .I have seen it happen

Anonymous

  • 66 Answers
  • Posted on Apr 09, 2010

SOURCE: I have a Kenwood KAC-9104D and it was working fine

A ground wire may have come loose or your subs may be blown.

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Related Questions:

1helpful
1answer

I have 2 mtx 12"woofers (8ohms each wired parallel to get to 4ohms) which Kenwood amp would be best to use: kac-7252 or kac-9104d?

The Kenwood KAC-7252 and KAC-9104D are both great amps, but they have different strengths and weaknesses. The KAC-7252 is a 5-channel amp that can output 75 watts per channel at 4 ohms. It also has a built-in crossover and time alignment, which can be helpful for getting the most out of your woofers. The KAC-9104D is a 4-channel amp that can output 100 watts per channel at 4 ohms. It also has a built-in subwoofer output, which can be used to power a separate subwoofer.
If you are looking for an amp that can power all of your speakers, the KAC-7252 is a great option. It is also a good choice if you want an amp with built-in crossover and time alignment. However, if you are looking for an amp that can power a subwoofer, the KAC-9104D is a better choice. It is also a good choice if you want an amp with more power output.
Ultimately, the best amp for you will depend on your specific needs and budget. If you are not sure which amp is right for you, it is always a good idea to consult with a professional car audio installer.
Here is a more detailed comparison of the two amps:
Kenwood KAC-7252
  • 5-channel amp
  • 75 watts per channel at 4 ohms
  • Built-in crossover and time alignment
  • MSRP: $399
Kenwood KAC-9104D
  • 4-channel amp
  • 100 watts per channel at 4 ohms
  • Built-in subwoofer output
  • MSRP: $499
I hope this helps!
0helpful
1answer

I have a Kenwood KAC-9104D that will power on but not produce any sound??

Be sure the RCA cables are attached and in good condition.
Be sure the remote wire from the deck is hooked up and good.
Be sure the GAIN control is turned up.
Volume on head unit is up. Make sure BASS options are not turned off on deck.
Be sure wires are going the right way. + to + & - to -
Loose wires in the box. Make sure subs are hooked to the terminals inside box.
Check all fuses on amp to determine if 1 or more i blown.
0helpful
1answer

My amp is a kenwood kac-9152d it goes in to protection mode soon as you hook up the power

In protection mode do you mean the light comes on and it plays music and stuff? If that's the case, that's what the amp is supposed to do. Protect itself from a power surge
0helpful
1answer

I recently purchased a new Kenwood KAC-9104D 1800 amplifier. I hooked it up just as I had with a previous amplifier but it wont power the subwoofers. When one of the RCA cables is plugged in and the other...

You should check and verify first the output signal in the amplifiers by using a multimeter on the db range, this is to identify good output of the amp. After that check the polarities for correct wire orientations.You should connect the speakers one at a time to check.
0helpful
1answer

Have a Kenwood KAC-9104D the red triangle is flashing

maybe when hook up something sorted and blew the sub side .I have seen it happen
4helpful
2answers

KAC-9104D output terminals

ok i have the same amp and 1 2ohm dvc sub and was woundering the same thing but from futher research and askin sum xsperts. What i found out is that it is only one channel and even tho there are 2 (+) and 2(-) they actually connect inside the amp makein it one . so if u wanted to wire sumthing parralel u wouldnt have to hook wires from one coil to the other on the speaker , u can just hook it up to the amp. so basically both +'s and negatives on the amp are actually one within it so all the power if you only use one set of them and if u wanna add more subs its just easier to add to the amp by using the xtras .
0helpful
1answer

Kenwood kac-7202

Nope it's not a high-to-low level converter problem, it's most likely a problem with one of two things. 1) either you've blown the output stage in the amplifier, or 2) you've hooked up your subs wrong and your amp is seeing to low of an impedance. The amp is supposed to be 1ohm stable, but we had the same problem. When the indicator light goes red it means that the amp has gone into protection mode, now you have to figure out why. If something in the amp goes bad or just disconnects from the board it will cause power protection mode. If you fry something on the board because you are running the amp to hard or at the wrong impedance it will go into thermal protection mode, however there's no simple way to figure out which has happened.

Have you tried hooking up some different subs to see if the problem remains? try this. If the problem no longer happens then you know it's your subs, if it does still happen then you'll know it's an internal problem.

Years ago I had a Kenwood KAC-821; long story short, I melted the main power wire right off of the board, everytime I turned the system up the amp would shut down.

Take you amp to an authorized dealer and have them bench test it for you.

Let me know what you find out.
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