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I was just given a pair of 40 year old Acoustic Reseach AR3a speakers. The hook up posts are labeled 1 and 2. Which is +, which - ?

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  • kodomenico Jan 14, 2009

    Thanks, I'd pretty much assumed that to be the case, but it's good to have confirmation.

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Hi...

1= +
2 = ( - )

Posted on Jan 14, 2009

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Again...how do you hook up these 3 items...i have no manual...a Pioneer stereo tuner control, power amplifier, double cassette deck, and speaker...pioneer model #CX-770, CT - W 770, & M - 770?


This would be easier to help you with pictures but I will give you the basics. There should be an input that is labeled either cassette deck or line in. That is where you will plug in the cassette player (that is coming from the output of the player) The cords should be red and white for left and right audio. The back of the tuner should have an output labeled something like preamp out. That will be any number of types of connectors but you should be able to find the right cables. From that output put that in the left/right channel of the amp. It may be labeled something like channel 1 channel 2 input. The speakers will go to the output to the speakers probably also labeled channel 1 and 2. If you post pictures of the backs of all of the equipment I will get more detailed.

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How to hook up Panasonic SB PM19 speakers to SA-PM23 reciever


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1 Answer

Denon 1907 power light blnks red


You have a bad "Driver:" or Power transistor in the amp.
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I usually replace the two power amps and the driver amp/amps at the same time. The pairs are usually matched, and since one interacts with the other, a bad driver will weaken the power amp pair, and vice versa.
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The overload is the transistor breaking down 9which tends to generate excessive heat), Then the thermistor on the amp pair heatsink senses this condition and shuts the amp down. (NO - replacing the thermistor eill not generally solve this issue, especially since the thermistor qwill survive a temp rise well above what the tranisitor pair will).

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I have a pair of acoustic solution powerforce 2000 speakers and i need a replacement tweeter and cannot find one anywhere and want to know where i can purchase one


I think this seller would be a good bet on sourcing the tweeter
http://stores.ebay.co.uk/syclopsshop?_trksid=p2047675.l2563
this might be the actual device you are after
http://www.ebay.co.uk/itm/ACOUSTIC-SOLUTIONS-AV-120-TWEETER-UNIT/121661981566?_trksid=p2047675.c100005.m1851&_trkparms=aid%3D222007%26algo%3DSIC.MBE%26ao%3D1%26asc%3D20140122125356%26meid%3Dbb27a3ba84474ee9b9806a08c8755be6%26pid%3D100005%26rk%3D1%26rkt%3D2%26sd%3D400927111943&rt=nc

Jun 24, 2011 | Audio Players & Recorders

1 Answer

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.

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1 Answer

I have wireless speakers and the transmitter stopped working. Nothing happens when you plug it in--??? It's only a month old. AW872


Hi I also post in here , so that you can let me know how it goes.

Try unplugging the transmitter from power adapter, if it also has batteries remove them. Also unplug transmitter audio cable.

Then remove batteries/unplug adapters from speakers.

Wait few minutes and reconnect the system.

This is a proper hard reset, and can fix minor problems.

If when you re connect the transmitter does not glow, or you do not have sound on one or both channels then there is a fault.

Check the transmitter audio cable, a short in there can cause troubles.

If you find no problems , then unit is defective, as it is under warranty contact Acoustic Research to validate the warranty here and get the transmitter or the whole set replaced.

http://www.acoustic-research.com/homedecor/HomeDecorInfo.do?ACTION_TYPE_ID=ACTION_TYPE_CONTACT_INFO

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1 Answer

Help with Live Sound


I am available as a sound system designer.  Your request is a bit simple.  Given the complexity of the situation there are way too many factors involved to give a simple one or two paragraph solution.    Installing a sound system involves several areas of expertise.    1. Acoustic analysis of the venue. 2. Analysis of the electrical system. 3. Budget! 4. Procurement. 5. Rigging 6. Operation and maintenance protocols.      Fixya is an advise site for do it yourself solutions.  If you want advise. My advise is to find a consultant, pay them to give you a sound system design, buy the equipment new or second hand. Hire a competent sound engineer, carpenter, rigger, licensed electrician who can build and install your PA in your venue.  Best of Luck! (middles)  Michael Mittelsdorf President-Professional Audio Solutions Inc. 

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1 Answer

My 2003 STR-DE995 goes into "PROTECTER" mode


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