Question about Altec Lansing VS4121 Computer Speakers

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My left speaker doesn't work. Narrowed it down to the female connection of the RCA jack (on back of the sub-woofer) as being the problem. Any way to fix?

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  • glenn_whitha Sep 14, 2010

    As per my original message, I already know where the problem stems from, my question was more related to how to access the inside of the RCA jack. I took the screws out of the compartment that conceals the connections, but the compartment doesn't come off.

  • glenn_whitha Sep 14, 2010

    As per my original message, I already know what the source of the problem is. What I need to know is how to acces the connections. I removed the screws on the compartment that conceal the connections, but the compartment won't come off.

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Hello,

How were you able to pinpoint that it is indeed a problem with the RCA jack? Have you tried replacing it already?

Posted on Sep 14, 2010

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Base from the description of your problem the only way to fix that issue is to have that damage part to be replace, in order to do that the unit needs to be taken apart and have that piece to be replace and it requires soldering from the inside to connect the new one.

If you have knowledge on how to take the unit apart and have some soldering experience and equipment you can do that but if not better have someone do that for you , you can take it from any local computer repair near your area.

Posted on Sep 14, 2010

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Posted on Jan 02, 2017

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1 Answer

Some weeks ago the sub stopped working. Thought dog had chewed the coaxial driver cable, but not shorted (now). Tried another sub w/o success.


Hi, I went to the Denon website and they have no documentation there for your receiver.
But do not frown, I have some good suggestions for you.
0 Don't beat the dog. After all, it's their job to chew things.
1 Get a new, un-chewed cable and see what happens between the sub output and the sub woofer. If it works, your in business. If it does not work. Don't be discouraged . Go to step #2
2 If the sub output on the Denon has failed, and everything else is good. There is another way to use your sub.
Install a patch system using the Headphone output from the front of the Denon. It may seem odd, but it works exceptionally well for the following reasons. It works on all signal sources. So if you are not playing a home theater source, you still have the use of your sub.
You will need the following adapters.
1 A Male stereo phone jack to female mini-phone jack. (Something that would accept typical small headphone sets such as those on an iphone).
2 A stereo "Y" connector that that has a single stereo male mini-phone jack that has two "RCA" female jacks.
3 A simple RCA male to male stereo cable pair as is commonly used to connect CD players, etc. i.e. separate red and white RCA connectors at both ends.
1 and 2 above may be available as a single unit combined with each other.
Take these adapters and connect the Item 1 into the Receiver, Item 2 plugged into Item 1, Item 3 plugged into Item 2 and finally the other end of Item 3 plugged into the two female RCA jacks mounted onto the back of the sub-woofer. If the sub only has one female RCA connector, get a RCA "Y" connector that has a single male end to 2 female ends.
This setup will work perfectly with any sub. The reason is as follows. Most decent subs have an adjustable high frequency cut off. So you can vary it from about 20Hz up to about 140 Hz.
I recommend that it is cut off at 80 hz. This way the bass transition is usually seamless between the woofer and the rest of the system. .
Then adjust the woofer volume control in a similar manner.
If it all works out, give the dog a treat and enjoy yourself.
I really hope this helps, I love my sub woofer as well.
Let me know how this turns out.
If you have any questions please post them on the site and I'll get back to you ASAP.
Best Regards,
Mark

Jan 22, 2011 | Denon AVR-3600

5 Answers

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

Connecting a Sony Subwoofer SA-W2500 to a STR DE 598


It is based on your sub-woofer type..whether powered or passive sub woofer..
Assume that you have powered one..RCA sub woofer jack is the best to feed it ..you should use RCA sub woofer output on your receiver as well..good luck

Jan 08, 2010 | Sony STR-DE598 Receiver

1 Answer

I Do Not Know How To Connect Boston Micromedia To My Computer


The Boston Micromedia speaker set comes with two speakers (right and left),a subwoofer, and a complete set of cables to connect everything up.

1.) Position the speakers. The two small speakers typically are spaced equal distance apart on a desk/table top to the benefit of the listener. The sub-woofer typically rests under the surface, on the floor for example.

.) Connect the cable sets to the back of the two small speakers along with the speaker feet.
Note: the small speaker with the volume control knob will have three cables coming from it. This will be the "right" speaker. The other speaker will have a single cable and will be the "left" speaker.

2.) The cable ends will be color coded to match the jackson the sub-woofer. Match up the color coded cables to the respective colors on the subwoofer as follows:

(a) White cable end (left speaker) to white jack on sub-woofer.
(b) Red cable end (right speaker) to red jack
(c) Purple cable end (input) to the purple jack
(d) Green cable end (computer out) to the computer's microphone output jack.

Note: if any of the cables are too short to reach their jacks for whatever reason, an extender cable with a female and male end can be purchased relatively inexpensively to make up the difference in distance.

3.) Power up the system (plug in power cables to the sub-woofer and wall), play some music, and adjust the sub-woofer sound (control knob) to suit listening pleasure.

A nice little set of speakers, I had mine for some years now and continue to enjoy them. Good luck!

May 17, 2009 | Boston Acoustics MicroMedia Computer...

2 Answers

Which jacks to wire the subwoofer to?


Your receiver should have an RCA connector on the back panel that will be marked "sub woofer" or "LFE out". That connects to your sub woofer with a standard RCA type cable. Also, some powered subs have left and right speaker level inputs and outputs in which you would indeed run the sub woofer through the speaker outputs. The down side of that type of connection is that the line level converter inside the sub woofer will take a slight amount of your receiver's output power, although that is rarely detectable. Also, if you have a Dolby Digital receiver, using this connection method will take away systems ability to accurately control the low frequency effects of a soundtrack.

Good Luck,
BB

May 16, 2009 | Kenwood Audio Players & Recorders

1 Answer

Connecting BA735 digital 3.5mm plug with S/PDIF coax jack


The male mono plug (from the left small speaker) should be connected into the right speaker (small speaker with controls) . After plugging the multi pin cable from the control speaker to the sub-woofer you need to plug in a signal source from your computer (or any other digital signal) into the sub-woofer. This digital input looks like an ordinary RCA plug but carries many channels of audio. That connects to the enabled digital output of your computer. Some computers output digital through a 3.5mm jack others look just like an RCA phono jack. If you are lucky some BA735 sub-woofers have a second input that is a standard 3.5mm stereo jack and it will take analog audio from computer, DVD, MP3 player or the like. I have three sets of these speakers that I love because of their big volume considering such a small size.

Mar 29, 2009 | Boston Acoustics BA735 Computer Speakers

1 Answer

My philips dvd player 5.1 have female ports at back side for audio but i have the sound system of LG which has simple naked wire to connect .


Philips DVP 3256 has 6 outputs which takes in RCA connectors
Altec lansing VS3251 has 3 STEREO outputs.
Buy 3 nos of STEREO (female) to RCA (male) cables
1. Connect the Altec's green wire to first stereo-to-RCA cable. RCA ends to DVP 3256's Front left and Front right
2. Connect the Altec's black wire to second stereo-to-RCA cable. RCA ends to DVP 3256's Rear left and Rear right
3. Connect the Altec's orange wire to third stereo-to-RCA cable. RCA ends to DVP 3256's Centre/Sub woofer. Interchange RCA ends if the Subwoofer sounds dull.

Good Luck

Jan 29, 2009 | Altec Lansing VS3251 Speaker

1 Answer

Buzzing sound from woofer when I plug in


If the woofer works fine when plugged into any other port, I would say that you have a connector on the receiver that has a loose connection or possibly a cold solder joint (poor or broken solder joint). RCA jacks can be stressed quite a lot especially if you use cables that have very tight connectors. The female RCA jack gets wiggled or twisted when trying to remove a cable and this causes solder joints to crack. I would have a look at that connector on the receiver..

Mar 02, 2017 | Panasonic CT-35SF23 35" TV

1 Answer

Subwoofer.......


Please check your model number, I can not find it on the JVC service website.

This is a powered sub-woofer I think. You need to have a thick black cord that connects the sub to the head unit. Then the satellite speakers get connected to the speaker jacks on the sub-woofer box. The sub-woofer should also be plugged into an A/C outlet on the wall.

The speaker outputs are labeled right there where you connect the speaker wires. You should see a red and black connector for each speaker and they are labeled "front right" "front left" "center" "rear right" "rear left".

If you do not have the thick black cord you need to connect the head unit with the sub-woofer, you can not use this system.

If you look at the head unit and give me the model number on it, I may be able to find the part you need. But I must have a good model number to work with, preferably from the head unit.

Dave

Nov 10, 2008 | JVC SPPWA670 Subwoofer

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