Question about Altec Lansing 621 Computer Speakers

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I recently moved and have lost my power cord. can you tell What wattage power cord I need to get them going again.

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Try contacting where you baught it from or the computer companey.

Posted on Jan 03, 2009

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2 Answers

My speakers keep shorting out would the power cord be a reason?

No, the power cord is not the issue. Tell us more about the symptoms

Oct 14, 2012 | M-Audio Studiophile AV 30 Computer...

1 Answer

Logitech Z5500 THX what is the real RMS wattage?

Modest. If it has a plate on it near the power cord that specifies AC power consumption THAT is the maximum power it uses. Given that heat and other energy transformations and losses occur in the process of converting an audio signal to a speaker output the effective audio power would be VERY much lower than the total (say, 40%) and then it would be divided among all the speakers.

Manuals and other resources:

Page 11 tells the fairy tale according to Logitech.

I don't think any reputable testing labratory has taken the time to put this thing through the ringer to establish actual performance data versus that which is claimed. Considering that this, like many other mid-fi products, uses TOTALS for its specs to entice the gullible (speakers a,b,c,d... wattages ADDED together) instead of 'watts per-channel from x-to-y frequency at less than z distortion' which are used by reputable amp and speaker makers, a large grain of salt must be taken with these claims.

Read up on RMS specifications:

Jun 30, 2011 | Logitech Z-5500 5.1 Digital Speaker System...

1 Answer

I have lost the power supply to my speakers, the only info i have is it's 12v AC/DC I need to know what is the amp and polarity is, to find a replacement.

You need to know what the wattage of the speakers are, polarity is generally standard. There is a small formula too work out what the current rating is. This you can find on the internet. Just search for Voltage , watts to amp converter.
Hope this helps

Mar 27, 2011 | Boston Acoustics BA735 Computer Speakers

2 Answers


They usually use pretty standard audio cords, you can probably just get a replacement at your local Radio Shack. The only one I would be worried about is if you lost the power cord....if that's the case you need to be sure if you buy a different one that the voltage is the same as required.

Mar 08, 2011 | Boston Acoustics MicroMedia Computer...

1 Answer

Lost the power cord for logitech 2320 speakers. bought universal power adapter and I need to know what volt to use

If you look on the back of your speakers you should find a label that may tell you what the voltage and current rating is..
Hope this helps

Feb 21, 2011 | Logitech Audio Players & Recorders

1 Answer

Won't work after re-installing Boston speakers

would try it with the correctly rated fuse as there may not be enough wattage / current to power the bass unit with a thin wire.

Also how long ago was it flooded as it may take quite a while in a warm area to dry off completely ?

Apr 11, 2009 | Boston Acoustics BA735 Computer Speakers

1 Answer

I have a acer computer that I cant get polk speakers to work?

yes you need to go on polk web site and download the driver and you need to get a power cord

Jan 31, 2009 | Polk Audio AMR50 Computer Speakers

1 Answer

Sound cuts out when you touch the cord???

bad cable shorted out in it can u get new cable or under warenty for 1 yr ?

Jan 09, 2008 | Logitech Z-5500 Computer Speakers

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