Rebuild low end computer speakers

[fixit7]

I bought some Inland Pro Sound 2000 speakers from a thrift store.

It is an amplified system putting out about 7 watts.

They sound pretty poor.

I remember making my own 8 ohm speakers years ago using a woofer, midrange, tweeter, and a cross-over network.

Can I do that also with this system?

Thanks.

- - - Updated - - -

I found this.

http://www.learningaboutelectronics.com/Articles/Speaker-crossover-network-circuit.php

 

[ads-ee]

The reviews on Amazon have 31% saying the speakers are garbage.

I highly doubt that such cheap speakers have any kind of woofer, mid, tweeter arrangement, it's probably a tiny single cone with the equivalent of a refrigerator sized permanent magnet and a tiny weak voice coil.

If you want decent speakers either make your own like you did before or buy good speakers instead of something from a thrift store (there is usually a good reason stuff ends up in a thrift store).

 

[fixit7]

Could you or someone help me find

this part I will need ?

2.55mH Inductor

 

[BradtheRad]

I had a speaker with a 10 inch woofer. The crossover coil was made from several feet of wire, wrapped around all fingers of a hand.
So it was 3 inches diameter. 1/3 inch long, about 120 turns. Air-coil.

This online calculator tells me it's 2000 uH (2mH).

www.daycounter.com/Calculators/Air-Core-Inductor-Calculator.phtml

 

[fixit7]

I need help finding a place that sells it.

 

[Audioguru]

The cheap little speakers have a single driver that is only 3.5" in diameter so it produces no bass and a very uneven high end. Each speaker amplifier is only 3.5W so the loudness is only a little more than a cheap clock radio.
A very simple passive crossover is an inductor in series with the woofer to prevent it from shrieking, and a capacitor in series with the tweeter to prevent it from being destroyed by low frequencies.
A cheap woofer and tweeter can also sound bad.

I purchased crossover inductors from a local high price speaker manufacturer until my latest speakers did not sound good. I went to their showroom and heard that their latest speakers also did not sound good. I showed them that their inductors did not have their rated inductance.

 

[fixit7]

I am trying to find a ready made speaker system that includes woofer, mid range and tweeter speakers.

No luck so far.

Just systems with a sub-woofer ?

 

[Audioguru]

Many stereo sound systems are made with a ported woofer called a "sub-woofer" and two satellite speakers. Some of them sound pretty good. A midrange speaker is not needed if the tweeter can do it. For a woofer to perform well down to about 50Hz it must be high quality and have a size of at least 5". Years ago I had speakers with a 4" woofer with a 1" dome tweeter that sounded good when I added bass boost but the woofers burned out after about 10 years.