Question about Bose Acoustimass 15 System

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Regarding woofer what terminal do I tap exactly?

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Tv, charp não tem som

Posted on Jan 13, 2008

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6ya6ya
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SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

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Posted on Jan 02, 2017

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What is a sub woofer pre-out ?


Sub-Woofer pre out is for connecting that terminal to the input terminal of any sub-woofer. The sub woofer which it should be connected must be an active type [that is, there must be independent amplifier section built it with that sub-woofer; not mearly a crossover network].

Oct 22, 2012 | Denon RC-920

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How To Bi-Amp And Bi-Wire Speakers!


What is the difference between bi-wiring and bi-amping?
Bi-wiring is using the same power source (amplifier) but separately connecting that power source to a woofer and a midrange/tweeter on a speaker.

Bi-amping is using two separate power sources (amplifiers) and connecting one amplifier to a woofer and the other amplifier to a midrange/tweeter on a speaker.

How do I bi-wire?
Your speaker must have two separate positive and negative connections (one set for the woofer and one set for the midrange/tweeter). Connect one wire between the positive terminal on the amplifier/receiver the positive terminal on the speaker. Connect the other wire from the negative terminal on the amplifier/receiver to the corresponding negative terminal on the speaker. Remove the jumper straps connecting the two sets of speaker inputs. Repeat this process for the second set of terminals on the speaker, connecting them to the same positive and negative terminals on the receiver/amplifier. Repeat the steps for each speaker you wish to Bi-Wire, connecting them to the appropriate terminals on your receiver/amplifier.

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How do I bi-amp?
Bi-amping is similar to bi-wiring, but involves separate amplifiers: one for the woofer and one for the midrange/tweeter. Passive bi-amping involves a direct hookup between each amplifier and the speaker terminals. True bi-amping involves hooking the preamp to an electronic crossover that replaces the passive crossover network in the speaker. The active crossover then connects to multiple power amplifiers.

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on Jul 13, 2010 | Audio Players & Recorders

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I want to install a self powered woofer and tap it to the rear speakers. Can you please tell me what are the colors and polarity of the rear speaker wires for 2006 Honda odyssey right hand drive


FIRST OF ALL --- THERE IS A FEW THINGS YOU NEED TO KNOW BEFORE HOOKING UP
A WOOFER LIKE THIS ---- IS THIS A STORE BOUGHT POWERED SUB WOOFER ? DOES IT HAVE IT'S OWN CROSSOVER BUILT INSIDE ?? I WOULD GUESS IT NEEDS TO BE HOOKED
UP TO A SUB WOOFER OUTPUT FOUND ON THE BACK OF THE IN DASH PLAYER ..
THE WOOFER NEEDS TO RECEIVE ONLY LOW FREQUENCY AUDIO WHICH MOST OF THE NEWER CAR STEREOS PROVIDE BY AN RCA JACK ON A SHORT WIRE COMING OUT OF THE STEREO ...
IF YOU TRY AND TAP IT TO FULL RANGE SPEAKERS THAT ALREADY ARE CONNECTED TO AN AMPLIFIED SIGNAL THE SOUND WILL BE DISTORTED .......
POWERED SUB WOOFERS NEED A LINE LEVEL INPUT WHICH IS MUCH LOWER THAN SAY
SPEAKERS ALREADY RECEIVING AN AMPLIFIED SIGNAL.
POWERED WOOFER WILL ALSO NEED TO HAVE A 12 VOLT ELECTRICAL CONNECTION AND A GROUND WIRE TO OPERATE THE AMPLIFIER BUILT INSIDE.
IF YOU HAVE NO EXPERIENCE WITH THIS TYPE OF HOOK UP I WOULD STRONGLY RECOMMEND SOMEONE WHO DOES [ CAR AUDIO SHOP ]

Jun 29, 2011 | Car Audio & Video

1 Answer

Somehow have managed to remove wires from drivers (while trouble shooting svt 410 hlf cab) while not labeling them properly for reinstall. so far have not been able to locate a wiring diagram for inside...


Most schematics won't even have any colors listed... so let us have you try this:

Find a system ground someplace like the sleeve of a 1/4 inch jack... Using an ohmmeter check for continuity to the available wires that are disconnected. ASSUME that those showing a low resistance will go to the "-" terminals of the drivers. If you have say a black and red... expect that the black will be one of the grounds... often the red then will be the (+) of the woofer. If you have whites and yellow... OFten the white will also have continuity to ground and be the (-) for the tweeter and the yellow then to the (+). Now since your speaker has 4 woofers we need to be careful to wire then correctly to get the 4 ohm impedance of the cab. IF each woofer is 4 ohms impedance, then we need to wire them in series-parallel. The shell of input 1.4 inch jack will likely go to black wires... two of the speakers will have their (-) terminals connected to these. The tip of the 1/4 inch jack will probably connect to one or more red wires. These will connect to the (+) terminals of the OTHER TWO woofers. Next one of the available (-) with no connections will tie to the (+) terminal of one of the first two woofers. SImilarly the remaining (-) terminal of one of the woofers will tie to the last (+) terminal that is vacant. Note the + of the horn will tie probably to the High level pot and this will tie to the crossover someway.
Here is a site with general schematics.

http://www.bcae1.com/spkrmlti.htm

May 02, 2011 | Ampeg Svt-410hlf (4x10" 500w Svt Bass Cab)

1 Answer

How do I hook up a non powered sub woofer on my htr-5630?


You will need an amplifier or 2 channel receiver. Hook the sub out rca jack to the rca inputs on this new amp or receiver and hook the speaker terminals on sub to speaker terminals on same amp or receiver. Your Yamaha receiver doesn't have any power for a passive sub.Just pick up any old fairly high powered receiver for fifty dollars and you're good to go.I use old dolby pro logic receivers as they are a dime a dozen today. Good luck.

Feb 20, 2010 | Yamaha HTR-5630 Receiver

4 Answers

I cant sem to wire it to 4 ohms because the terminals are right next to each other and i have no clue which 1 is which voice coil?


test with a digital multimeter set to ohms. if you don't have one of those laying around grab a 9 volt battery and run wires from the 2 terminals on the battery to 2 of the terminals on the woofer. if the woofer pops out you are said to be "in phase" (even though it has more to do with polarity that phasing but regardless) which means the positive from the battery is on the positive of the woofer and the negative is to the negative. those 2 terminals on the woofer are a single coil and obviously the other 2 terminals are the 2nd coil. now depending on what impedance each coil is will determine how you have to wire it to be 4 ohms unless they are 4 ohm coils which means you just use one coil and it will be 4 ohms on that woofer.

Aug 18, 2009 | AudioBahn AW1205N Car Subwoofer

2 Answers

I have a set of cerwin vega ls-12 3way woofer works but tweeters


There is an old cheap way to test any speaker. If you have a multi-meter, set it on OHMS. Then, while holding one lead against one speaker terminal, tap the other meter lead to the other speaker terminal. If the speaker is good, you will hear faint crackles. If you do not have a meter do not despair, you can do the same test using an AA or AAA battery with leads held to the battery.
Good luck! P.S. Nice speakers.

May 22, 2009 | JBL EON 15-G2 Powered DJ Speaker With EQ...

2 Answers

Defect woofers


If you can get the same woofers, then yes you should be OK, pull the units, get the part number off the back and then try Google for a source.
If you can't find a exact replacement then you are looking at replacing all of the woofers, rule of thumb is that you do not want to mix speakers, you end up having one speaker sounding different than the other, so what ever you do to one, you need to do to the other. In that way what tonal changes that happen will happen to both speakers and they remain matched.

Now if you need to find replacements, you need to replace with like impedance speakers, and try to find a speaker very similar to what you are replacing. Just don't throw anything in the cabinet, if the impedance isn't correct not only the sound could be bad, but you could also damage your Amp or Receiver.

john



Aug 17, 2008 | PSB Image 4T Speaker

1 Answer

Same problem with woofer


hi, to test the woofer , u take a 1.5 v battery, put one end of the +ev on one terminal and tap the -ev on the other and notice if u can hear a clicking sound as u tap, if not than the speaker/woofer coil or the cross over curcit is open, let me know,

Jan 12, 2008 | Bose Acoustimass 15 System

1 Answer

Harman Kardon 595


Hi, probably two things that can go dead, 1) the woofer itself and/or 2) the amplifier. I will rule out poser supply cos the other speakers are working. Normally they have a separate amplifier than that of the woofer. If you are comfortable working with a soldering iron and a multi tester, after unplugging from the mains, then you open the enclosure and check the continuity of woofer which should read between 4-8 ohms, if it is open or no reading, replace just 2 wires/terminals involve with 3 or 4 screws. If the woofer reads a continuity, then it is the amp which normally is just a single power IC attached to an aluminum heatsink. In some instances, it may be a power transistor pair. In any case you have to be familiar with component level repair. Otherwise, you are probably better off asking a qualified service personnel to do the repair job. Hope this be of some help. Pls post how things turn up. Regards.

Apr 26, 2007 | Harman Kardon HK595 Computer Speakers

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