I have a set of Boston BA 745 speakers on my computer, that work fine except I can't isolate the stereo channels. Some of the music instruction CDs I have record the band on one side and the bass guitar on the other. By only using one speaker, you can hear the band and play the bass part yourself. Every other stereo set up I've owned has a simple switch that says "right/left" that lets you do this.
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Re: Boston BA 745
So what you want to do is have both the parts play on both the speakers on the same time, am i correct?? was there a utility or program that came with your speakers that may have proporties to change this setting??
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Try to isolate the problem. Connect the speakers to another computer or mp3 player or stereo. Test the speakers for sound making sure all volume switches are on. If they work look to sound settings on your computer.
Well we have eliminated the laptop as a problem,.. that is very good. As far as what the problem with your BA unit is,.. we only know that it does not function with an external device (laptop and mp3 player). you already mentioned that a sound test from the unit plays through all the speakers,. right? With that lets start with the most basic item that will cause this problem,.. the cable that comes from the BA unit and plugs into the laptop or mp3 player. Is the cable plugged into the right place on the BA unit? Does the cable disconnect from the the BA unit? if so, do both ends of the cable look the same or is there 2 ends (maybe red and white) that plug into the BA unit? Please let me know when you can and we can continue troubleshooting this.
check to make sure you have the speaker icon in the bottom right hand corner. If you do, see if you can move the sound bar up and down. This will verify that you definitely have the right sound drivers installed and they got installed properly.
Make sure you have the speakers connected properly. Here is a setup poster to show you how. Follow this just to be sure
Once you verify this and the sound still doesn't work then it could be a problem with the speakers or the sound card or sound chipset (if you have integrated sound on the motherboard).
To verify whether its the sound card or sound chipset on the motherboard or whether it could be the speakers. Put the speakers on another machine that you know has the sound drivers installed and turn up the sound bard in the operating system thru the speaker icon. If you get sound then its a problem with your other computer. If you still dont' get sound then the sound speaker system is bad and would need to be replaced.
Do not worry about the milliamp. As long as you use an adapter thats the correct voltage (you stated 12 volts), the end connector fits into the speakers and the polarity is the same, then you wont have any trouble.