Question about Boston Acoustics ASW 650 10-inch 300-watt Subwoofer

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ASW 650 10-inch 300-watt Subwoofer

The Subwoofer stopped working all of a sudden. HAve not checked if it is an electrical problem or electronics. Any suggestions? I bought this sub-woofer in around July 2012.

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Check signal indication and source input.

Posted on Nov 19, 2013

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1 Answer

My Boston Acoustics ASW 650 just turned off yesterday and wont turn back on. What could be wrong?


Check for the wires connections on all the terminals.
Else it is a minor problem due to power fluctuations.
Take it to a nearby technician.

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Can i use a 300 watt amp for 2, 800 watt woofers


yes, but you would not get the same performance as you would if you gave them the suggested power. I have found that it is always better to use a more powerful amp than your subs are rated for (as long as it is clean, high quality, low distortion power). I have had the best luck with name brand amps (kicker,rockford fosgate,phoenix gold,etc...). I hope this will be helpful to you.

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My Peavey PV-118 18" subwoofer


Peavey uses a protection network and sometimes it gets blown when too much power is sent to the speaker. The speaker may be blown however. Peak power for this is 800 Watts and 400 Program... That is NOT RMS power. Make sure your amp is no bigger than 300 Watts RMS driving this. If you are REAL lucky, maybe a lead has fallen off the speaker... Open the unit inspect and test the components.

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What size of box in need Pioneer TS-W307D2 12


Length (L) = 31.9 cm = 12.6 inches (approximately 12 1/2 inches)

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1 Answer

How to run the speaker wires to connect to the subwoofer? and does a sub woofer burn if you do not put the right ammount of watts to it for example having an kicker l7 connected to a three houndred watt...


i'm guessing you are having problems with the dual voice coil's so I will link you to the kicker wiring guide...

http://kicker.com/sites/default/files/SoloBaricL72006.pdf that has the wiring options, you will need a pdf reader **** as adobe or foxit..

Under powering your subs won't hurt them but running a 15 inch l7 at 300 watts is not going to let the sub perform at peak, I would go with a 800 to 1000 watt amp.

15 inch l7 watt's are as follow

rms = 1000
peak = 2000

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My subwoofer stops when volume is increased


have u check the radio out do u have an eq

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1 Answer

Info


I wrote to KLH and they sent me the schematics for the upper and lower boards. I asked if I could share them, and they gave me permission to post them for use here.

Have fun!


KLH ASW 10-120 subwoofer schematic - lower board

KLH ASW 10-120 subwoofer schematic - upper board


Mar 10, 2008 | KLH ASW10-120 Subwoofer

6 Answers

KLH ASW10-120B subwoofer


I realize that this is an old problem, but folks are still finding it on searches, so here goes.

Here are the two pages of schematics from KLH. I wrote to their tech department and explicitly asked for permission to share them here.

Here's the lower board, which has the power supply:
KLH ASW 10-120 subwoofer schematic - lower board


Here's the upper board:

KLH ASW 10-120 subwoofer schematic - upper board


Jan 25, 2008 | KLH ASW10-120 Subwoofer

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