Question about JBL PSW-D110 Speaker

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I have a JBL DPS 10 sub woofer makes a loud!! humming sound throughout whole system. woofer is fine tested that continuity is o Ohms from the to prongs of the plug I read some of the solutions on site. indicating capacitors but don't have a diagram to check? which cap and tolerence.

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6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

bestdarngood
  • 3037 Answers

SOURCE: JBL sub PSW-D110 hums, and the fuse is blown

here is the manual, I am looking for a more detailed version

Posted on Mar 25, 2008

  • 1 Answer

SOURCE: jbl subwoofer

i have an jbl acr 10 sub, which blowes the 0.62 sb fues instantly. Could it possibly be the pair of 3300uf @ 50v gone bad?

Posted on Sep 04, 2008

  • 308 Answers

SOURCE: JBL Subwoofer - Intermittent operation

Sometimes bad caps show a lifting or rounding of the top of the cap, sometimes this top will split from heat and pressure and sometimes it will not show any sign of damage but will be dry inside and its capacitance value will drop to a very low value. Replace the big power supply caps and test again. Get the same size, value and voltage rating. You can go higher on voltage rating and a bit on value. Getting a similar size or something that will fit in the same space is important also.

Posted on Mar 24, 2010

dunnbiker
  • 8546 Answers

SOURCE: I have an older JBL

Just touch your fingertip to the input connector on the sub -- similar noise? That would be its amp picking up the hum of the room through your antenna-like body. IF that is the same noise, you need to make sure your input cable is shielded and connected at both ends BEFORE applying power to the electronics at either end.

Be mindful of electronic noise sources such as track lighting, UV lights, motors, TV's, etc, and route the signal and power cables well away from them.

Try reversing the orientation of the AC plug at the sub and see if that helps out.


Posted on Feb 11, 2011

snowghost1
  • 784 Answers

SOURCE: I have a JBL TLX

sounds like you have check just about everything -- but since it is a JBL speaker it is worth taking into a re-coning shop and have them take a look at the speaker itself,, it sounds like you might have a bad speaker coil and you are getting cross-over interference. they will be able to tell you for sure in about 3 minutes after putting a meter on the unit,, and the cost will be very reasonable.
here is a phone number to a speaker repair shop in Dallas, give them a call and have them look at your speaker ( 214 ) 324-1132 - Freeman-Tuell speaker repair.


c...

Posted on Feb 11, 2011

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How to Stop a Subwoofer Hum - HowStuffWorks

electronics.howstuffworks.com/how-to-stop-subwoofer-hum.htm
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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.
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Just touch your fingertip to the input connector on the sub -- similar noise? That would be its amp picking up the hum of the room through your antenna-like body. IF that is the same noise, you need to make sure your input cable is shielded and connected at both ends BEFORE applying power to the electronics at either end.

Be mindful of electronic noise sources such as track lighting, UV lights, motors, TV's, etc, and route the signal and power cables well away from them.

Try reversing the orientation of the AC plug at the sub and see if that helps out.


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cathy@speakerex.com

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I am not getting power to my sub-woofer that i added on sub works fine just no out put to it checked resistance getting nothing


checked resistance getting nothing
Nothing = zero or nothing = infinite?
If it is essentially zero, you are probably OK since the DC ohms of nearly any speaker measures very low resistance; they are rated in impedance which is a complex combination of  resistance (R), inductance (L), and a little capacitance (C) and becomes the 'Z' of the rating of (typically) 4-8 ohms.
If it is measuring open (a flashing display on any resistance range of a digital meter), then you probably have a problem.
You can safely take a single flashlight battery (or any 1.5 volt cell) and apply this by tapping across the input of your sub-woofer. If it makes a fairly loud 'click' then the speaker is functional.     If it passes the test, you have connection or output problems from your amplifier. 

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