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Need wiring and 9pin connector diagram
Dell (Altec Lansing) A425 Subwoofer Pinouts
This is a standard female DB-9 serial port.Here are the pinouts.Pin 1 = Left Speaker Out +Pin 2 = Left Speaker Out - (Common Ground)Pin 3 = Left Line In +Pin 4 = Right Line In +Pin 5 = Left/Right line In - (Common Ground)Pin 6 = Right Speaker Out +Pin 7 = Right Speaker Out - (Common Ground)Pin 8 = Power APin 9 = Power BJumper (short) Power A to B to turn on.If you want a volume control you need to put one on the inputs. You will buy buy a stereo volume control or potentiometer.Here is some info on how to do this.http://g4tv.com/screensavers/features/43665/Pump-Up-The-Volume.html
MODEL A425 main ic number
This chip is NOT going to be available commercially. The programming will be proprietary and owned by Altec.
Altec Lansing ACS31 not fully working
Time to throw them away. They used to be a good company, but they aren't any longer. I have had two pairs go bad. My replacement hissed when the power was off. Altec Lansing were not interested that they were live when switched off. All switching off did was was cut the source input. I gave them away and bought Bowers and Wilkins MM1. By far the best speakers I have ever owned.
Bowers & Wilkins MM-1
https://www.bowerswilkins.com > default > files
Digital Signal Processing There's an art to producing a big sound from small speakers. And we've mastered it, thanks to a clever
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