Question about Nakamichi SoundSpace 8 System

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Need new 8 pin power source wire from receiver to subwoofer

Recently, my electrician spliced the power wire that travels from the receiver to the subwoofer.  It wasn't long enough and they were not able to regain power after splicing.  I have looked everywhere....where can I get a new wire that is at least 15 feet long? Preferably 25 feet long.

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Repair the Splice. Distance is not an issue with the lengths you describe. If the splice was done incorrectly and wires were crossed, you may very well have damage that needs to be addressed....accordianman

Posted on Feb 29, 2008

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RCA RT2770 Sub-woofer sound doesn't come


The sub should generally have its own power supply, is it plugged in ???

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The subwoofer starts to make a loud thumping sound


Remove the signal source and power it on to see if the problem occurs without any input signal. The problem could be in the receiver and not the sub

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I have a jvc th-m606 receiver and I don't have a subwoofer for it, is there a different way for me to get audio output or a different subwoofer I can use?


You would have to make a cable that goes from the 8 pin mini din of the jvc unit to each individual speaker. A wiring diagram can be found online each pin on your 8 pin goes to a speaker , and one is for power. Find a wiring diagram and find a cheap electric store that can make the cable for you. I had the same problem...

Aug 10, 2012 | JVC TH-M606 System

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Can i hard wire my rt 2770 rca home theater subwoofer to my receiver lost white plug that plugs into receiver and can't find a new one?


I have one if you still need it. Hooked my sub up to a different receiver and cut that end off to hard wire it. It has about a foot of wire and the white plug on the end that goes into the receiver.

May 11, 2012 | RCA home theater system RT2770 User Manual

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WHERE CAN I BUY A SP PWM505 CABLE THAT GOES FROM MY RECEIVER TO THE SUBWOOFER? ITS A HOME THEATER


  • Here is a list of cables for your unit from Crutchfield's.


  • If your looking for the s pin DIN cable from the sub you can get that anywhere. The 8 pin DIN is a standard cord the same across the board. Here are a couple to choose from.



  • If you have any comments please feel free to leave them here.
  • Hope this helps and thank you for using FixYa.

Oct 11, 2011 | JVC TH-M505 System

2 Answers

Where can I get a speaker connector?


After a few hours of looking on line and finding nothing I decided to make my own Sharp Receiver connectors. Here are the steps that I took:


_1349.jpgItems I used were wire strippers, wire snips, a file and a sugar free Rockstar (not pictured items: computer power supply, fine grit sandpaper and zip-ties).


_1350.jpg The first this I did was find the 4 pin connector and the 20 pin connector (some times a 16 pin) on the pc power supply and i cut the wires so that there was about 10" to 12" of wire hanging from each connector. These are the 2 connectors need from the power supply to use in your Sharp Receiver.


_1351.jpg This is the smaller of the 2 connectors (the 4 pin) and nothing needs to be done with this one. It fits perfectly into the back of the Sharp Receiver into the area labeled " surround sound". I would just zip tie the wires 3" from the connector and then 6" from the connector.


_1352.jpg The large connector I cut from the pc power supply is the one where all the work needs to be done. The Sharp Receiver requires an 8 pin connector for the are labeled "front speakers/center speakers/sub woofer". Notice the location of the clip for this connector and that it is centered, we need this clip to remain in the center when we are done so re are going to have to remove every thing from it except for the center 8 pins.


_1353.jpg What I did to get the connector to look like this picture is I cut the 6 pins off on both ends of the connector (you would only cut the 4 pins off both end if you are using a 16 pin connector from the power supply). after I cut those pins off I just pulled the wires out from the back side (they come out very easy after you cut the pins off). Now we need to get rid of the extra plastic where we cut the pins. Please view the next 2 pictures before you begin to do your cut.


_1354.jpg
_1355.jpg Notice how I left the plastic intact surrounding the 8 remaining pins we are using. I know that it seems like common sense to do it this way but there's people out there who would have cut the plastic so the pins we need are showing. There may be some jagged edged now from where u cut the extra plastic so to get rid of that we are going to use a file or a grinder. Don't grind the sides completely down though, I left a little bit of the ridges because the new ends have thin plastic walls and if you leave a little of the ridges, it will make it a little stronger.


_1356.jpg I tried to put my, now 8 pin, connector in the back of my Sharp Receiver and it was really snug. This is where the fine grit sandpaper comes in handy. just go around each of the 8 pins with the sandpaper, not a lot, just enough so the pins slide into the plug easy and doesn't wiggle. I used 2 zip-ties on this connector also to secure the wired a little more. Again, 3" and 6" from the connector. Now its ready to be plugged into the area labeled "front speakers/center speakers/sub woofer".


_1357.jpg This is what it should look like when you are all done making the speaker connectors for your Sharp Receiver. All that's left is to connect your speaker wires to your speaker connectors and then all of your components.
I only found 1 website that had the parts for this unit for sale and it was about $50 plus shipping for the connectors. You can get the computer power supply from your local area on www.craigslist.org for $5 or $10, you might have one lying around. If you have any questions or need additional help with this please feel free to email me: jlusk80 @ gmail.com
Thanks for reading my solution!

Jan 01, 2011 | Sharp HT-DP3000 System

1 Answer

Simple question?? how do I connect my Panasonic subwoofer to my denon receiver?


I have a very similar problem with the same exact Panasonic sub. I went to Best Buy and Radio Shack looking for an adapter, and they basically told me that one does not exisit. Apparently, Panasonic designed the home theater system specifcally so that it could not work if any part of the entire system was ever seperated.

May 27, 2009 | Panasonic SC-HT930 System

2 Answers

Subwoofer with speaker wire?


Back in the old days, subwoofers were powered by the voltage from your receiver, through speaker wire.
Nowadays, subwoofers have their own power, hence not having speaker wire connections anymore.
It's unlikely that you'll be able to connect your old subwoofer to your new receiver.
You'd need to get a new one, which if you don't mind buying closeout, can be found on eBay pretty cheap.

Mar 16, 2009 | Sony DAV-DX255 System

3 Answers

JVC 8 pin pinout - speaker cable


Looking at the connector, there are 3 rows of pins.
Starting with the first row closest to the alignment mark:
[Power On],[Center Speaker],[Sub Woofer]
[Surround Right],[Speaker Ground],[Surround Left]
[Right],[Left]

If you are trying to connect two JVC units, you will need an 8-pin cable that has the SAME pins connected on each side. You will need to test this using a multimeter set to ohms or 'connectivity'.
There are other 8-pin cables out there like the one for apple networking, but they use a crossover pinout where pin 1 on one end = pin 3 on the other end. This is bad. JVC needs pin 1 to = pin 1.

This is a standard connector/pinout setup that JVC uses, so connecting a TH-C3 to a TH-C50 works fine. There is a bunch of intermixing that you can get away with. The only thing to keep an eye on is the power in watts that one unit sends and the other recieves. Worst case is that the speakers are quiter than expected or that you can turn the volume up so high that it can damage the speakers. In all cases, you should get desired volume somewhere on the dial.

If you are trying to wire the speaker set custom, then you will need to take note that an '8-pin' connector is actually a 9-wire connector. Along with the above pinout, you will need to add Case Ground, which is the metal circle that surrounds the pins. To make the speakers turn on, you will need to apply 12v to the Power On pin and ground the 12v source to the Case Ground outer ring.
The system takes 3 to 4 seconds to fully turn on after this connection is made. Speakers should be wired using the center pin for speaker ground and each other pin respectful to each speaker.

Apr 01, 2008 | JVC TH-C50 System

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