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Sherwood powered SP-210W subwoofer stopped powering-on. Are replacement parts available?

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Same problem that I'm having with my sub

Posted on Apr 13, 2011

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I just pick up a used LW 10 Powered sub and 2 channel sherwood receiver.What is the preffered method of hook up up the sub with out a pre sub out?


"Sherwood Receiver" doesn't really tell us much about that end of the scenario.

Look at this picture of the sub amp.

http://cgi.ebay.com.sg/CERWIN-VEGA-LW-10-SUBWOOFER-AMPLIFIER-Speaker-Blade-Amp-/350444290153

You COULD run the Main speaker output to the large Red/Black speaker inputs, then some more wires Out from the other Red/Black connectors to your Main Speakers. That way your amp volume control will affect both equally.

Tweak the sub volume, crossover and phase to match it up to your mains.

May 15, 2011 | Cerwin Vega LW10 Subwoofer

1 Answer

I would like to connect my powered subwoofer (Atlantic Technology model 212 SB) to my Sherwood RX5502 receiver. Unfortunately, the receiver has no subwoofer outputs, only speaker outputs, and the...


Cables between sources and compatible units rarely need to be physically modified.

Register and download the manuals for free at retrevo.com

http://www.retrevo.com/support/Sherwood-RX-5502-Receivers-manual/id/3124dj384/t/2/

http://www.retrevo.com/support/Atlantic-Technology-212-SB-Subwoofers-manual/id/866dj197/t/2/

Splicing headphone outputs designed for nominal 8-ohm impedance speakers to a 47K-ohm (typical) RCA load is not a good idea but it might work on the Sherwood because this receiver does not automatically silence your other speakers when the headphone jack is installed.

There is NO other volume-controlled output to choose. Try it.

Mar 25, 2011 | Sherwood RX-5502 Receiver

1 Answer

My jvc subwoofer inner speaker windings blow up and i m either willing to purchase the whole sub set or jst the inner speaker.the model number is sp-pw 105wd.theserial # 119k0101.


I would suggest to buy the entire cone speaker because the inner windings is harder to find or not available.
The cone speaker part number is: CR160058-01. Try contacting this website to find the cone speaker or you could find a cheaper speaker cone with the same dimensions and wattage.
I can also send you the service manual for this subwoofer.

Nov 27, 2010 | JVC SP-PW100 Subwoofer

1 Answer

Sherwood home sub sp210 manual for speaker hook-up


pull sub out it may have been replaced and the speakers inside were not connected.

Apr 04, 2010 | Sherwood U8M Car Subwoofer

1 Answer

Amp power outlet


Ususally this fuse (if there is one) is located near or in the socket. Unfortunateley I don't have a photo to discribe to you, but it might be under the black counterclockwise cap or at one square area just under (or above) the socket.

In case of a problem or clarification, don't hesitate to post.

Thanks and regards
Please kindly rate this solution
Stelios
direct FixYa link: http://www.fixya.com/users/technical114

Mar 24, 2010 | Sherwood Audio Players & Recorders

1 Answer

Subwoofer stops working after about an hour's use. Authorized repair technician could find nothing wrong.


In case of a transistor which is faulty, could short the power supply in circuitry, and this happens after the transistor gets heated up. So you might wanna inspect the transistors on board to replace if found faulty.

--Sandy

May 30, 2009 | Audio Players & Recorders

3 Answers

Sherwood RD7502


Hi - You can download the manual by clicking the link underlined in blue below:

RD-6108

Your sub woofer needs to have it's own power amp i.e. a "powered" sub woofer:

8a2280a.jpg

Assuming your sub woofer is powered & connect as shown then check the following setting:

f68beb6.jpg

Let us know how you get on.

Please take a moment to rate this solution & let us know if the information given was useful to you - Good Luck!

Informatica

Sep 06, 2008 | Sherwood RD-6108 Receiver

1 Answer

Insignia NS-R2000 receiver


Check the impedance ratings of your speakers. Sherwood, the actual manufacturer of the NS-R2000 receiver, suggests that you use speakers with an eight ohm impedance if you have only one pair attached. If you have two pairs of speakers attached, the impedance rating of each pair should be sixteen ohms.

This is because Sherwood wired the receiver such that an additional pair of speakers is placed in a parallel circuit to the first set. When this is done, the impedance (resistance) of the load seen by the amplifier drops. As resistance drops, you get closer to a short circuit (no appreciable resistance).

Many other receivers wire the speakers in series, which causes the impedance to go up.

Personal experience seems to suggest that the amplifier is OK with a four ohm load on it. It does run warmer with a four ohm load, which is what you'd expect. It's when you have multiple sets of four ohm rated speakers that you will get into trouble, as this means the receiver only sees a two ohm load. This will cause overheating and shutdown.

At this point the power transistors in the amplifier may have been damaged. It may require repair. Fortunately, replacement parts are readily available (though not from Sherwood or Insignia). If it continues to shut down, stop using it. You could end up burning out your speakers.

Jan 09, 2008 | Yamaha RX-V2400 Receiver

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