Question about Logitech Z-5500 Computer Speakers

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No digital SoundTouch control center Logitech Z-5500

My son returned his contol center under warranty and they sent him a whole new system So I have the speakers only Got any ideas hoe i could use them or a cable/pin schematic?

Posted by AiMeR77375 on


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Cory Kielion

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The very same problem I ran into when I received my new ones today...

But from the get-go, I figured that I could either use the speakers in conjunction with the new set to create more sound...or use the speakers with other systems.

Keep in mind however that speakers from one system may not act or sound the same on another system.  The difference being that one set of speakers could be your standard 8-ohm speakers where another set could be...say...  4-ohm.  Typically, the less resistance a speaker has, the better quality it is and the more sound it can put out without taking damage from the higher current.  (Lower number = better.)  You can mix speakers of variable resistances if you like.  It shouldn't be a problem - UNLESS you are going to be using them at higher volumes. If that is the case then you are going to be pushing out more current through the speakers.  The lower-resistance speakers may handle it just fine...but those with higher resistance have a higher resistance for a reason.  (Normally that is because they can not take the higher wattage.)  Otherwise you may simply experience different results in sound quality.

Be aware, however....  Depending on the quality of the speakers and their manufacturer; this may not always be the case.  It is simply a general principle of electronics and a good one to work by.

Me?  Given that I now have EIGHT satellites and TWO center channels now...  I'm going to attempt putting two speakers to each channel and elevate the second one.  This should turn my office into a veritable ocean of sound!  :)

As for a cabling or pinout schematic...  You'd have to specify for what exactly.  An educated guess would tell one that you want to possibly create your own box of sorts to control the sound system.

It's probably not worth your time.  If you really wanted to, however...  You might consider creating your own very basic inbput/output system for it that would include an amp system to drive the sub and use crossovers for the satellites.  If one could figure out the internal systems of the sub-woofer, you would most likely be able to use the amp and any I/O system that is built into the sub.  That would require a bit of electronics background, a soldering iron and most likely a LOT of patience.  There is more involved in that process than I could explain here.  (I haven't even opened up my old sub yet.  Should be fun...  Looks like it just takes a hex key to the front of the sub to open.)

Whatever you do.... PLEASE be careful!  There are going to be plenty of amplifier circuits in there...and I can tell you from experience that they can give you QUITE a shock.  (Or even explode; as in one situation I experienced.)

Any more questions?  Let me know.  But that's just about it.


Posted on Nov 01, 2007


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One controller pod...being split for two speaker sets?

Technically it's not a KVM connector.

A KVM switch uses a DB15 serial connector.  Just like a monitor uses a DB15 for it's VGA connection.

The pinout for the control center's DB15 connectori is not likely to be the same as either one of those two types of devices.

Unfortunately, there is no way to make one pod work with two sets of speakers. The reason for this is that the voltage supplied to the control center comes from the sub-woofer.  You can imagine having two sources of power connected to one, single control center...

The control center would not know which sub-woofer and power system to regulate.  You would end up with issues revolving around power distribution, volume levels being variable - or worse.  More than likely, you would either overload the control center or it would simply not be able to keep up with the demand for both systems simultaneously.

I myself just had my set of Z-5500's RMA'd to Logitech under the exact same circumstances.  I just received my new set today.  Retail box and everything.

He was NOT kidding you.  I had to make him repeat himself just like you did.  LOL.

But I sent the control center, remote and purchase receipt with them.

5 days later, I found out DHL almost had my package here.  (Although I was lucky.  The turn-around time on the RMA is subject to supply and demand.  I was quoted 6-8 weeks at one point due to their lot being completely empty.  They are manufactured and shipped from China according to the rep I spoke with...)

My advice to you is to get right on the RMA process.  Get your incident number from the Logitech rep who sets up your RMA.  Get those two pieces sent in as soon as you can.  Do what I did.

To do this, call the following number.

General Technical Assistance/RMA: 646-454-3200

Package the remote, control center into a box snuggly.  WRITE YOUR INCIDENT NUMBER given to you by the Logitech rep on the receipt.  Include the receipt in the box.  Take it to the post office and send it by USPS Priority mail.  Get "Delivery Confirmation" on it.  All told it came to just under $10 for me.

Send it to the following address:

Logitech Incorporated
6505 Kaiser Drive
Fremont, CA 94555
ATTN: Incident Number# <put your incident number here>

You will also be instructed to send a copy of your receipt by way of fax.  WRITE YOUR INCIDENT NUMBER AND PERSONAL INFORMATION ON IT BEFORE FAXING.  (Or at least on a cover letter.)  They're supposed to send you an email to let you know that they received the fax...but I never received one.  Good thing I included a second copy with the control center and remote...because that's the one they used for processing.

FAX: 702-269-3439

I have pics of the shipping order that came on the box, too.  If you would like to see this proof, let me know.  I'll be more than happy to post plenty of pics that show my old set (sans the control center of course...) and the new set.

But don't delay like I did.  Mine was two days away from expiration of the warranty before I sent in the parts.  LOL.

Any more questions?  Let me know.  :)


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