Question about B&W ASW1000 Speaker

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B&W ASW1000 -Green light on,relay seems to kick in but no activation or even static from speaker when i run preout or high level input . If i unplug amp section from preamp section i can get nice hum when i touch amp section input. I have limited electrical experience but a desire to learn, Thank you! Matt

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  • Master
  • 8,546 Answers

Look to the source. If your antenna-like body can produce an output the amp and speakers are sort of working. BTW: nice trick.

Prove your preamp is putting something out to it. Maybe name it and we can chime in with specifics.

Posted on Jan 04, 2011

Testimonial: "With my vague info and no schematics the gentleman addressed all he could i believe, and just getting input always helps-Thank you!!"

  • Anonymous Jan 04, 2011

    Hey MR Guru,
    Thank you for your input-- from what i understand these subs have chips in them and just i chip malfunctioning can shut things down. hifi engine has schematics for many items but B

  • David Dunn
    David Dunn Jan 04, 2011

    Of course you're right that anything could be the problem. High-level troubleshooting will eliminate a lot of things. I believe the presence of hum from you touching the sub's inputs certifies the amp has life in it. How much time, effort and money do you want to spend on a hunch?

    In any case, halving the problem at each point is the most efficient way to isolate it. I'd say you're going the wrong way UNLESS you are certain the preamp is producing a signal for it to produce. You haven't indicated that.

    Try this. Run any RCA source such as a CD (*) player or any other Pre Out channel directly to the sub amp and start with some music that builds in volume as this setup (*) would have NO control over the volume. If the sub amp works you will eventually hear it. If it works, it's back to the preamp to find out why it's not putting LFE out.

    If not, the sub amp is the suspect.

    Perhaps you could provide details regarding the electronics ahead of the sub???



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When I hook up the speakers in the back to the left and right side for the in and out, do I connect the front or rear speakers. do the speakers connect to the subwoofer first then to my receiver or the...

I was trying to find an owner's manual or picture of the rear panel of the sub, but had no luck. The subwoofer is a powered type - or "active" speaker. This means it has a built in amplifier. These active subs usually provide for one or both "low level" and "high level" inputs. Low level signals are usually carried by shielded coaxial cables and have RCA type plugs on the end. The low level is also called "line level". This is an un-amplified signal that might be heard on cheap earphones - but that's about it. It is similar to the output of a tape deck, DVD or phonograph. These signals require an amplifier to be heard. If you have a sub woofer output on your receiver or amplifier, you could run a patch cable between the low level input on the subwoofer and the subwoofer output of the amp or receiver. You receiver or amp may call this output "low frequency effects" or similar. The front and rear speakers would then connect directly to the receiver or amp's corresponding connections.

If you lack low level outputs on the amp or subwoofer, you'll need to run speaker wires from the amplifier or receiver's front left and right speaker output terminals to the subwoofer's high level input terminals. High level signals are speaker connections or amplified signals. These are typically connections that accept bare wire connections. The front speakers would then connect to the subwoofer's front left and right speaker output terminals. The rear speakers connect to the amplifier.

I hope this helps - and good luck!

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How do I hook up the two stereo output RCA wires ( 1 L & 1R ) to the EQ input wires that are green/green&white & grey/grey&white?

you will only be able to control 1 pair of speakers, you can try an inline converter. always buy a stereo with 3 preouts especially if you plan on using equalizers/amps ect

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My receiver has a RCA subwoofer jack, but my B&W ASW1000 has the red and white cables. How do I connect the 2?

Go to Radio Shack and get an RCA cable splitter with a female and and two male ends. Share the amp's sub out with both inputs on the sub.

Jan 18, 2010 | B&W ASW1000 Speaker

1 Answer

Where do these wires go

Hello sxy_spud,

Those wires are for the "speaker level" inputs to the amp. If you are using RCA cables from your head unit, you do not connect these at all.

If you are NOT using RCA cables from your head unit, the "pigtail" ends of the high-level input wires are usually connected to the rear speakers.

Hope this helps.

Sep 24, 2009 | Car Audio & Video

1 Answer

No kick

It can only be a few things...either it overheated and is in a protection mode...the amp went out... the input line is not supplying input...or the output line is not supplying output. If the input is good...the output that goes from the amp to the kicker itself may have came unplugged. If that is not the case, it may have overheated.

May 30, 2009 | ButtKicker LFE Kit Subwoofer

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Hi input

High input is used for amping up doorspeakers if your headunit doesnt have enough preouts

for instance you would connect up the rear speakers to the high input lead acting as a rca

Hope this answers your question :)

Apr 14, 2009 | Sea Worthy SEA / AMP 400 Car Audio...

1 Answer

1974 marantz model 2325 reciever and want to hook up a powered subwoofer ?

Hi jdwoomer

Your amp has PreOut and Main In RCA connectors on the rear, you could make up an adaptor cable (or buy one) to split the post vol control signal at this point, and then use line level from here to drive the sub.


Most powered subs have a speaker "high level" input, where the sub "sniffs" off signal from your speaker output. When setup like this the speakers and amp connect to the back of the Sub.

Either way, you can do it... Marantz were making nice gear back then... a collectable these days :) Any questions, I am here to help.


May 06, 2008 | Marantz PM7200 2-Channel Amplifier

1 Answer

Car audio

Yes you can use the speaker output in conjuction with the rca pre-outs...but depending on the wattage of the amp, there may be a big difference between the loudness of the front speakers over the rear speakers. If you have a 4 channel amp you can put the rear speakers on the amp also and lower the input gain for the rear speaker. Or if you have a 2 channel amp, you could use a passive crossover to filter out some of the bass to the rear speakers since they are smaller, this would help prevent over-driving it is normally too much bass that distorts and blows a speaker. I'm not sure what you are asking about the hi-rear preouts vs the mid front pre-outs. If you decide to use the amp for the fronts you should be able to connect the amp from the front preouts of the deck. Hope this helps.

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2 Answers

Very low ouput from subwoofer preout

The problem was that some subwoofers (inluding my velodyne model) cannot process the LFE signals through the line level inputs on its amps, so the other way to run your subwoofer is to run the front left and right speaker outputs from your receiver to the speaker-level inputs on your sub, and then plug your front and left speakers into the soeaker level outputs on the sub. you have to set the onkyo receiver to "Subwoofer: No". that way the LFE signals are sent through the front speaker channels and you will get the same BASS output as if using the line-level input. O So yes it does require a bit more speaker cable, but it works fine now.

Mar 18, 2008 | Onkyo TX-SR304 Receiver

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