Question about Bose Free Space 51 Main / Stereo Speaker

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Bose free space 51 not working

One of my bose 51 speakers not working. Checked components, all leads, and wiring. All good. Problem definitely within speaker. Was working fine, no warning of problem. Just stopped working, no sound at all. Know can send to Bose for repair, but, is there a procedure I can follow to troubleshoot the speaker. Thanks.

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SOURCE: am setting up a bose GSX 3-2-1 home theater

Need to know the TV connections. On newer TV's there RCA jack connection or ext speaker connections. Usually the external TV speaker connections hook to the woofer and the rest of the speakers are connected to the woofer. The woofer acts as the sound system for the rest of the speakers. With this method you need to mute the internal TV speakers by a swiich on the TV or internal TV setup menus and select ext speakers.

Posted on Jan 27, 2008

dunnbiker
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SOURCE: Bose 901 series speakers to Bose 901 Equalizer

There is no direct connection between the 901's and their Active Equalizer. It is designed to be inserted between the source and the DEDICATED amplifier driving the speakers. Typically, this would be in a Tape Monitor loop on a receiver.

Tape Rec/Out to EQ In; EQ Out to Tape Play/In on the receiver. If you have a tape deck(s), it(they) would go into the back of the Bose EQ as if it was the receiver and you would use the Tape and 1/2 buttons for selection.

Or,if you have access to any other point that doesn't use the Tape Monitor, like a Pre Out/Main In jumper set, place the Equalizer there. That way it's always in front of the speakers and doesn't take up the Tape Mon.

Flip in the Tape Monitor and leave it on or the speakers will not receive the essential ACTIVE Equalization they require for proper frequency response. DO NOT place non-901's onto any amp using the Active EQ.

Like any speakers, the 901's will attach to the speaker terminals in the conventional manner.

Posted on Apr 13, 2009

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SOURCE: connecting bose 321 system to lg hd flat screen,bose receiver plays fm am ok threw speakers.tv will not play threw bose speakers.bose dvd plays sound ,but no picture

You will need a Component Video Cable
Connect the Red Green and Blue Connections from the TV to the Bose.

if your audio is coming from the TV, also connect stereo audio from the TV's audio out to the "TV" input on the bose.

if you want to hook up other devices (VCR, BluRay, etc) the video will go directly to the TV and audio will go directly to the Bose

Posted on Sep 12, 2009

  • 55 Answers

SOURCE: How do I connect my Bose 201 speakers to my Bose 3-2-1 system?

you cannot hook up more speakers to the bose 321

Posted on Sep 21, 2009

dunnbiker
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SOURCE: Bose surrond sound not working...

Your TV may have a setting to make its Audio Output Variable or Fixed. That is, as you turn the TV's volume down or up it will either vary the output (as it seems to be doing in your case) or keep it Fixed so external electronics can still use it when the TV's volume is down or off. Some TV's do it another way - they have a selection to turn the TV's speakers OFF.

Posted on Feb 03, 2010

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In my case the speaker only played the higher frequencies but not the low mid range to base. Most likely your speaker is "blown". Outdoor use is hard on electrical components. The fix is easy. The free space 51 speaker is identical in size to the standard Bose 901 4 1/2" speaker. You can buy a Bose or a good quality knock off (either way they will need to be broken in before yielding the best sound). It is not clear to me whether the original Bose uses a special moisture resistant cone. I treated my replacement with a light coating of silicone spray (for upholstery) carefully protecting the foam surround and cap at the center.

Just unscrew the three screws holding in the plastic grill in front of the speaker (using a nut driver or socket wrench). The speaker will drop out. Be careful with the foam wrap around the wire as it tends to be fragile and greasy. Solder in the new speaker making sure you get the polarity right (although for outside use this is probably irrelevant). I would test the speaker in place before soldering just to make sure. Reassemble and break in the speaker. Again I don\'t know know well the replacement will weather the elements. Keep your finger crossed.

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