Hi, I am not very technical. I am having trouble setting up my Altec Lansing Satellite 31 PC speakers. I think I have everything I need, just don't know which inputs go where and I can't find the manual. Any help would be greatly appreciated. Thanks, Molly in Oakland, CA
Re: Any info on Altec Lansing Satellite 31 set up?
Hi, I have these. Always unplug the Sub before changing the wiring around. You should have a dual cable. Plug one end into the Sub's Audio In and DC Out (the one that looks like a power plug goes in DC Out, the one that looks like a headphone goes in Audio In). The other end of the dual cable goes to the Satellite that has the volume control. Plug into DC and Sub. Plug a cable with headphone plugs on each end into the SPKR jack on each Satellite. Plug another cable with headphone plugs into either Input 1 or Input 2. The other end goes to your computer's audio out. I don't have the original of these two cables so I can't tell you what they look like. If one is longer or thicker it should be the one to go between the speakers. Set the level control on the Sub about 1/4 up. Plug the Sub in and play some music. You can adjust the Sub level and the Bass and Treble to your liking. I have my Bass & Treble straight up, Sub at 1/4. You can use one of the inputs for your computer and the other input for another device like an iPod without having to unplug things.
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Normally these low end systems components that depend on each other and cannot be interchangeable from other system. So if one of the components (sub woofer or right control satellite speaker) breaks or gets lost the whole system is unusable...
I was in the same situation. Got a sub woofer from VS4121 without original satellite speakers. I acquired satellite speakers from Altec Lansing 251 which used same connectors but the internal wiring was different and incompatible out of the box. Speakers are also glued together so it is impossible to open without damaging it. Not to mention there is no service documentation anywhere..
But if you like electronics you can try to make something based on the information bellow:
Altec Lansing VS4121 connector pinout
If you take the male connector (from right satellite speaker) and look at the pins and number them first row from left to right pins 1-3, second row pins 4-7, the bottom row pins 8-9 and the circle enclosure as 0
0 - Ground
1 - Speaker Right
2 - Treble (seems just like voltage control but may need to be confirmed: Min=0V; Max=voltage from Volume control Pin 9)
3 - Head Set Right
4 - Bass signal (not sure what the exact original design is as I have not opened the speaker) But seems like they use 50K potentiometer and some sort of RC low pass filter configuration. When potentiometer is set to Min it is shorted with ground. When set to Max it is taking signal from Right and Left Head Set (pins 3 and 5) combined through some larger resistors and low pass filter.
5 - Head Set Left
6 - Ground for Head set (grounds 0 and 6 seems to be connected in the subwofer but within the right satelite speaker they seem to be isolated with separate leads to sub)
7 - Power ON/OFF. When OFF or head set jack plugged = 0V; When ON and head set jack unplugged = 5V
8 - 5V Power in
9 - Volume (min=0V; max=5V). It seems they use 50K potentiometer but probably anything >10k should work.
At minimum for standalone sub woofer you will need to implement:
- Power On.Off (switch between pins 8,7)
- Volume control (50k potentiometer (probably anything beteen 10k and 50k will do)between pin 7 and 0 with variable output to pin 9
- Bass control - join two resistors R (I used 7k) and lets call this join point A. Attach other ends of the resistors to pins 3 and 5 respectively. Attach 50k potentiometer (I used 10k) between point A and ground 0. Attach Variable pin of the potentiometer to pin 4 (Bass input signal). Attach capacitor C between Pin 4 and Ground pin 0 (I used Electrolytic 1uF with negative end to ground) . Resistor R and capacitor C should make simple passive low pass filter (Google for formula) that should bypass anf frequency higher than 80-120Hz to ground and feed frequencies lower than 80-120Hz to pin 4.
PS: I managed to hack 251 control satellite speaker to somewhat work with VS 4121 Subwoofer but that is another subject. All electronic parts were salvaged from old broken TV so total cost was $0 but took several days of tinkering for speakers that I could buy used for $10-20 :)
Hi there, by saying you found, do you mean that is a complete set, I have the same speaker set, and the volume control knob is on one of the satellite speaker.
If you are missing that speaker I doubt that you can do anything with it because you will most likely find them for sale as a set and not separate.
Thanks hope this helps.
There should be a green color cable (3.5mm in size) coming out of one of the speakers. That cable connects to the green color port in the back of the computer.
If your still having trouble please comment back with the model of the speakers... Altec Lansing Series 100 Model ??? and brand name and model of the computer. If it's not a brand name computer but a generic PC, then the brand name and model of the motherboard.
hi, I stay in india. there is a market out here near my place where u get old stuff. the other day a guy was selling this woohper . i bought it. it does not have the satellite speakers. how can i help u out
Looking at the manual
page 3 of the pdf says
Connect the lime green 3.5mm stereo cable (hardwired into the right
satellite) to the lime green input labeled ?FRONT? on your sound card.
So your right speaker should have a cable with a green end that plugs into your standard audio out jack
If you have multiple outputs and don't know which you are set up for, then turn the speakers on and up, put a long song on, and plug that green wire into every jack on the PC!
If you've got no other issues you'll hear something!