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I have a pair of Tannoy 633's and the lower woofer is broken on one. The wire connecting the speaker terminal to the internals of the speaker has detached and no one seems able/willing to repair i

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Can you post a pisture of the speakers

Posted on Oct 26, 2012

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Hi I have just bought a Sony 820av amp and tannoy sfx speakers. I have got all working except my sub. Can anyone advise me on correct cabling for the sub to amp?


Sub woofers are just mono amps. They feed both the right and left output together. So all you need is a stereo to mono cable. The two jacks go in the sub and the single mono into one of the terminals on your amp. The other terminal will allow another sub to be connected I think, though please check your manual for this.

Jan 17, 2013 | Audio Players & Recorders

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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

2 Answers

Why is there four plugs on the back of speakers?


With four plug you will have a jumper from on plug to the other. (e.g. Positive to positive and negative to negative.) This is for single connection (two wires.) If you use two connections (four wires) you take out the jumpers. the bottom pair is normally for the bass and the top for treble. This is to make the speakers clearer, and sound better. As for louder,? I don't know some people think it does some don't. With better clarity of sound, you do get the feeling of it being louder.

Apr 27, 2012 | Audio Players & Recorders

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There is not a subwoofer input jack on the back of this subwoofer. There are a set of input (negative and positive) terminals and a set of output (negative positive) terminals like would hook speaker wires...


On the back of the sub woofer you have two sets of binding post / some have spring clip terminals ( red & black ) labeled Speaker In ( sometimes High Level In ) and Speaker out.
Take 2 pairs of speaker cables and connect one end to the speaker out socket of your amplifier ( left & right ) . The other end of the cable should be connected to the sub woofer's Speaker In socket , Red to red and black to black. Now on the Speaker Out socket of the sub woofer connect your existing pair of speakers using another pair of speaker cables. If your sub woofer has a Hi Pass filter built in , you may not hear bass coming from your existing speakers with this kind of connection. Good if you have small satellite speakers.

Mar 12, 2011 | Audio Players & Recorders

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Internal wiring schematic for a JBL 4311 WX-A


the conductor xxx\blk is the minus or black( from speaker) the outher is positive\red pin from speaker) the woofer is bigest speaker inside is connected on the crossover at low output, tweeter at high output, if you connect wrong you can burn speakers and crossover, you can test with very low volume on amplifier.

1st connect low to woofer, it only her low freq below 500Hz like drums and bass, if connect on med out the speaker is working as handpocket old radio audio. if connect on high the speaker is like no audio out. (the woofer take about 60-75% of amp power).

2nd connect the midrange at mid output you can listen to human voice cristal clear. if connect on high output you listem like esteric female shouting.

And connect the tweeter at the empty output

Take particular attention on polarity terminals, if you exchange the polarity you have a moofle sound traped inside of speaker, and some structered box noise who may open the box panels in future.

Feb 16, 2010 | Audio Players & Recorders

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The woofer on one of my speakers stopped working. The tweeter seems fine. My DMM shows that the resistance across the 2 internal leads that connect to the woofer continuously cycles from 0 through...


The voice coil is open, you can look real close at the spider wires that are soldered from the two terminals to the cone to see if they are bad, otherwise you will need new woofer, you can try getting the woofer from partsexpress.com

Feb 14, 2010 | Boston Acoustics Micro90X Speaker

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One of a pair of tannoy 6 D studio monitors went out with a loud buzz and now does nothing when I turn it on. No LED light ? No Sound.


Speakers don't cause a loud buzz but amplifiers do. Is it possible that the input to the amp lost it's ground? Regardless, this is not why the speaker does nothing but you would want to correct any amplifier problem before hooking up another speaker. If as you say, absolutely nothing happens it is possible that you blew out the voice coil of one of the drivers but blowing out both the woofer and tweeter simultaneously would be unusual, not to mention that Tannoys can take quite a bit of guff. So the next possibility is that there is a problem internally with the crossover or,and I doubt that it exists, and internal fuse associated with it. Since there is an LED (and I don't know what purpose it serves) there has to be some sort of power supply (fused?) to activate it. It could be derived from the audio output of the amp but it would then pulse on and off rather than just be constantly on. Getting inside the unit with an ohmmeter would quickly determine what's going on but I don't know how this can be meaningfully diagnosed at arms length and therefore just can give you some generic ideas.

Jul 03, 2009 | Tannoy Precision 6 Speaker

1 Answer

How do I wire 2 dual voice coil woofers to monobloc amp at 1 ohm.


the higher the impedance, the better sound quality the amp has. It's the lower ohm you have to worry about. Zero ohms is a dead short. 1 ohm isn't too far from it. 4 ohm is farther yet. The lower the ohm, the harder the amp has to work. parallel,all speakers positive terminals to the positive terminal of the amplifier and connecting all of the speaker negative terminals to the negative terminal of the amplifier. in this case Parallel wiring is connecting components to a source so that they share the same voltage

Oct 30, 2008 | Audio Players & Recorders

1 Answer

JVC TH-M606


You need to take apart tthe sub woofer and check the connection to bass speaker for continuity. It sounds like an internal broken connection to speaker on sub woofer unit.

Aug 12, 2008 | JVC TH-M606 System

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