Question about Ultra Linear UL-1600M Car Audio Amplifier

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Soung prob the rca ground leg was broke and had it fixed but now when i get it passed volume level 20 it sounds as if the woofer is overdrivin it self tryed swithing speaker leads around with no luck any ideas would help thanks

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  • mr X Nov 28, 2007

    thanks will give it a try ;)

  • cenizo_tx May 25, 2009

    i have the same problm?

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I would replace the RCA for a new one, if the cable got damaged it may not be delivering the correct signal to the AMP causing the distortion.
New RCA cables are fairly cheap unless you go into PRO CABLES.

Posted on Sep 16, 2009

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Tune the gain on your amplifier powering the sub. Turn the Bass Gain on the amp all the way down and crank up your system to as loud as you can stand. Adjust the bass Gain until the Speaker begins to distort, then back off a little bit. This way you can crank it up and not get Bass Distortion early.

Posted on Nov 28, 2007

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1 Answer

Klh powered sub woofer


Low level inputs are designed to take signals directly from an amplifier's "sub out" connections. That way the KLH amplifier will use those signals to produce sound and the volume can be balanced between the main amplifier and the sub amplifier using the sub's volume controls. Depending on your amplifier and sub, that is the best way to connect them. However, be careful running the RCA cables since the low levels are more subject to interference. Keep the runs as short as possible and use high quality shielded cables for the interconnects.

Aug 26, 2014 | Audio Players & Recorders

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Broken connector in subwoofer connection on receiver


The only thing you do is to open your receivers,then locate the output connector if you see the female RCA jack ,then push it out the broken piece ,that's it

Jul 27, 2008 | Audio Players & Recorders

1 Answer

My Velodyne DPS-10 subwoofer hums when you plug in the RCA cable. The hum increases in volume when you touch the rear metal panel.


hi,
You have to check the RCA cable to the sub woofer. The RCA cabe have two connections inside it, one is for gain and the other is for ground sheild. If the ground sheild is broken then there will be hum from the sub woofer and it will increase if you touch the ground (rear metal pannel is connected to the ground). Replace the cable and check it again.
ok

Jul 17, 2011 | Velodyne DPS-10 Subwoofer

1 Answer

I want to install a self powered woofer and tap it to the rear speakers. Can you please tell me what are the colors and polarity of the rear speaker wires for 2006 Honda odyssey right hand drive


FIRST OF ALL --- THERE IS A FEW THINGS YOU NEED TO KNOW BEFORE HOOKING UP
A WOOFER LIKE THIS ---- IS THIS A STORE BOUGHT POWERED SUB WOOFER ? DOES IT HAVE IT'S OWN CROSSOVER BUILT INSIDE ?? I WOULD GUESS IT NEEDS TO BE HOOKED
UP TO A SUB WOOFER OUTPUT FOUND ON THE BACK OF THE IN DASH PLAYER ..
THE WOOFER NEEDS TO RECEIVE ONLY LOW FREQUENCY AUDIO WHICH MOST OF THE NEWER CAR STEREOS PROVIDE BY AN RCA JACK ON A SHORT WIRE COMING OUT OF THE STEREO ...
IF YOU TRY AND TAP IT TO FULL RANGE SPEAKERS THAT ALREADY ARE CONNECTED TO AN AMPLIFIED SIGNAL THE SOUND WILL BE DISTORTED .......
POWERED SUB WOOFERS NEED A LINE LEVEL INPUT WHICH IS MUCH LOWER THAN SAY
SPEAKERS ALREADY RECEIVING AN AMPLIFIED SIGNAL.
POWERED WOOFER WILL ALSO NEED TO HAVE A 12 VOLT ELECTRICAL CONNECTION AND A GROUND WIRE TO OPERATE THE AMPLIFIER BUILT INSIDE.
IF YOU HAVE NO EXPERIENCE WITH THIS TYPE OF HOOK UP I WOULD STRONGLY RECOMMEND SOMEONE WHO DOES [ CAR AUDIO SHOP ]

Jun 29, 2011 | Car Audio & Video

2 Answers

I have a Boston Acoustics VR-500 Subwoofer with a problem. As soon as anything is plugged into the line level RCA jacks, the subwoofer produces a loud buzz/hum. I have tried connecting it to the subwoofer...


I'm thinking you have an open shield ground on the RCA input side. Connecting speaker inputs possibly restores the ground. Try connecting the high level inputs then disconnect the remote end of the cables (floating the grounds).

Then get out an ohmmeter and find that open circuitor or bad solder joint between RCA ground and real ground in the speaker's amplifier. Or.... if speaker ground kills the hum and you want to use RCA Line Level input to the sub, just connect one minus speaker output on your source amp to one minus on the sub's amp.

Mar 01, 2011 | Audio Players & Recorders

1 Answer

I have a kdc-mp435u and when i connect the subs woofers to it,it dissent put out enough out put Signal to it and when im driving some times it give signal the woofers cussing them to hit heartier. I check...


did you plug your rca signal wires into the subwoofer ouput rca's? if so you can control the level and frequency of the sub on the face in the audio menu. if this is not the issue try new rca cables. you can run them outside the car first just to test. another issue is make sure you have proper grounding on the head unit and amp. also if your rca cables acccidently touch power they can blow a fuse or trace inside the radio causing the rca's to lose ground (you will have low audio with lots of humming noise). you can check this by jumpering a small wire from the radio frame to the outer shield of the rca jack while it is all plugged in. if the sound gets louder and cleaner you can secure this wire in place by soldering it or fixing the circuit board itself.

Dec 09, 2008 | Kenwood KDC-MP435U CD Player

1 Answer

Speakers cut off when bass goes up...


sounds like you hava a load problem.if your'e running your woofers at 1ohm,make shure your amp is 1ohm stable.....

Jul 03, 2008 | Car Audio & Video

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