it's stereo no?
white is + and yellow is + (we just don't know which is left or right) and ground is (-) to both channels.
and for the record yes an amplifier is a good idea.
i guess i'm a freak for thinking that my sound card can drive speakers directly i've done it so much that when i come across a speaker that is low in level i simply deduce that it's efficiency is poor and i put it aside....
white is + and yellow is + (we just don't know which is left or right) and ground is (-) to both channels.
and for the record yes an amplifier is a good idea.
i guess i'm a freak for thinking that my sound card can drive speakers directly i've done it so much that when i come across a speaker that is low in level i simply deduce that it's efficiency is poor and i put it aside....
on cooking sound cards hooking up two "+" to a low impedance will do it, and "ts parameter testing" without an amp as a buffer is a sure fire way to cook a sound card, most can't sink the flyback voltage developed when testing an unbaffled driver, and then if your choice of "buffer" amp has poor low frequency performance it's an accuracy crapshoot no... oops running on.... better stop now.
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I am now back home. I connected the ground to - and the Yellow to +. I founf out that yellow is Left and White is Right.
But how do I then connect the white to the Right speaker?? do i need a second crossover?
I am still looking for an amp, I didn't forget.
OLD soundcards used to have an LM386 or similar class amplifier, think 350/400mW per channel if internally fed from the +5V rail, and about what "modern" cheap PC speakers can put out when fed from USB (again +5V).
Usable as background music source in a room or *quiet* office and not much more.
Modern ones expect a headphone so think 30/50mW into 32 ohms per side.
They usually have a low value (10 ohm to 100 ohm) output series resistor so in most you can drive speakers or even join both channels into a mono signal, but then power output is even less, telephone-on-the-table 10/30mW or so ... quiet indeed.
Enough for measurement though, as said above.
Usable as background music source in a room or *quiet* office and not much more.
Modern ones expect a headphone so think 30/50mW into 32 ohms per side.
They usually have a low value (10 ohm to 100 ohm) output series resistor so in most you can drive speakers or even join both channels into a mono signal, but then power output is even less, telephone-on-the-table 10/30mW or so ... quiet indeed.
Enough for measurement though, as said above.
The braid goes to the minus of both the left and the right speaker. It is common to both. The yellow goes to the plus on the left speaker and the white goes to the plus on the right speaker.
You don't need any more crossovers.
You need a crossover for each speaker and each speaker will have a + and - input on teh back (typically) of the box.
This is where the + and - speaker wire connects to the speaker.
Your 3.5mm is a connector (that has left, right and ground/common), not speaker wire, it is meant to connect a source (something that plays music, not necessarily an amplifier) to an actual amplifier (RCA's are more typically what are on the back of an amplifier, a Red and a White barrel-type connector).
You then go from the amplifier with 2 sets of + and - speaker wire to each speaker, a left and a right. You then play music through your source (i.e. iPod) through the 3.5mm cable to your amplifier and then from your amplifier via speaker wire to your speakers.
Then you have plenty of volume and a "stereo" sound, separate left and right channels of sound.
This is where the + and - speaker wire connects to the speaker.
Your 3.5mm is a connector (that has left, right and ground/common), not speaker wire, it is meant to connect a source (something that plays music, not necessarily an amplifier) to an actual amplifier (RCA's are more typically what are on the back of an amplifier, a Red and a White barrel-type connector).
You then go from the amplifier with 2 sets of + and - speaker wire to each speaker, a left and a right. You then play music through your source (i.e. iPod) through the 3.5mm cable to your amplifier and then from your amplifier via speaker wire to your speakers.
Then you have plenty of volume and a "stereo" sound, separate left and right channels of sound.
I did not jet get the chance to order the parts I now need. I am doing that today. Am finishing it tomorrow.
A good opportunity purchase - Dayton Audio DTA3116S
Might interest someone. Clearance at PE.
Dayton Audio DTA3116S Class D Micro Mini Amplifier 15WPC | eBay
Might interest someone. Clearance at PE.
Dayton Audio DTA3116S Class D Micro Mini Amplifier 15WPC | eBay
Just a quick question before I assemble everything on Friday. Do I need to sodder (melt tin on the wire) all the wires?? Or does that inteefere with stuff?
Hello Mooly,
I have finished my speakers today and they are working. Thank you a lot for you help and tips!
Bedankt voor het aanbod. Het is mij gelukt om ze aan de praat te krijgen. Fijne vakantie
Today I finished my speakers. They are working thanks to you! Many thanks!
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