Question about Boston Acoustics BA790 Computer Speakers
Hello. I have an old set of Boston BA790 speakers. Lately, the subwoofer has been making strange noises. It sounds like faint crackling noise and it comes and goes. When I unplug the blue "Control" plug it stops making the noise, but then I have no sound from my speakers. Is there something I can do to troubleshoot or fix this?
The crackling sound is only coming from the subwoofer occasionally.
If you have any cats, make sure that they may not have put something inside of the port hole. see if anything rattles around when you shake the speaker, nothing should. you may have blown your speaker, especially if you have ran it at high level for several years. turn down the amount of bass that is going into it. it does sound like you have a bad speaker
Posted on Feb 03, 2010
Testimonial: "Thank you for the fast response. The clarification comments helped tremendously. I'll try the suggestion about cleaning the contacts."
Thanks guy it help lot I did take the woofer out now I need to buy the new one and place it. In my case I want to fit it because I use my iPhone or touch pad to play music or watch videos or even movies, sound great I do have a system all ready in back side of my house for when I do BBQ or workout and placing the one I bought at Craigslist in my garage for my mechanical skills, lol... Thanks again.
Posted on Dec 13, 2011
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Posted on Jan 02, 2017
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• Check that the subwoofer is connected properly, switched on and the volume turned up.
• If your subwoofer has a sleep function, make sure it is switched off.
• Make sure that the Subwoofer setting is YES or PLUS (see Speaker Setting on page xx).
• The crossover frequency may be set too low; try setting it higher to match the characteristics of your other speakers (see Speaker Setting on page xx)
• If there is very little low frequency information in the source material, change your speaker settings to Front: SMALL / Subwoofer: YES , or Front: LARGE / Subwoofer: PLUS (see Speaker Setting on page xx).
• Check that the LFE channel is not set to -80dB , or a very quiet setting (see Bass Peak Level
on page xx).
• Check the speaker level settings (see Channel Level on page xx).
Regarding the Large vs Small assignment of speakers, what they mean isn't so much the physical size but the ability to handle real bass. Large if Yes.
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