Question about Audio Players & Recorders
I've just got an old sony sub which was going to be thrown out. There's one RCA input which appears to take line level, and also another cable, which I'm guessing is for power. It originally came with another hi-fi system, which obviously had the correct voltage output to power the sub. It's a very small white connection, on a thin 2 core cable. I'm guessing it probably only requires a low voltage to power it, but I don't know what voltage that would be, and if it would be AC or DC. I'm guessing DC?
Anyway, I can't find a free manual to download anywhere, so I thought I'd ask if anyone knows the power input required to run a sony ss-WG990 subwoofer.
I just got one of these units, the SONY SS-WG990.
The RCA cable is direct conection to the speaker.
It requires external AMP.
The other cable is just for the system switch and LED.
If you just have this unit, all you need is an AMP to
Posted on Sep 20, 2008
Well all you need is original system, I got one. The voltage for the sub is about DC 15.5V-15.9V 100%. But theres another problem for me, the subwoofer is active or this only is for the led? I don't believe that you need 15V only for led, so I think it's active, it has internal AMP that uses that current.
Posted on Aug 24, 2009
I got an 8 inch sony ss-wg990 and i am powering it with a 50 watt amp put i am putting a bigger one on there but if you dont want the sub i will take it becuse i am puttin them on my computer and i need another one
Posted on Oct 26, 2008
My electronic know-how is medium-low
(I have the Sony MHC-GX45 but not the subwoofer. I am trying to run another subwoofer from the MHC-GX45. But no success so far. I may need the remote control unit to switch on the subwoofer. Or the subwoofer's front LEDs circuit may need to send data to the MHC-GX45. If so I may need to connect a LED the "subwoofer control" at the back of the MHC-GX45.)
Here is my take on running the SS WG990.
Service manual downloaded from http://www.electronica-pt.com/images/fbfiles/files/HCD_GX45.pdf shows on pg 43 a significant "subwoofer" circuit board inside the Sony MHC-GX45/GX35/GX25/RG440S/RG330/RG310/RG220 CD/radio/cassette/amp unit. This may be the AMP for the subwoofer which would mean that the subwoofer is PASSIVE and that the control cable powers the LED on the front of the subwoofer. The way to check whether the subwoofer is PASSIVE is to unplug it and then open up the subwoofer box. If it is PASSIVE then there will be no amp inside the box. If it is ACTIVE then there will be a 100W RMS amp inside the subwoofer box. If PASSIVE (no amp inside subwoofer box) then the MHC-GX45 user manual states the WG990 has a nominal impedance of 6 ohms. An amp that can handle 4, 5 or 6 ohms should work fine. An 8 ohm amp might be damaged.
alepuel's comment above suggests that the subwoofer is passive. But check for yourself if you have doubts. And then post here to let everyone else know.
Posted on Jan 10, 2012
I have this problem too! Please,help!
Posted on Jul 20, 2008
The nice lady at siny said 120v ac 60hz but ya need bigger wires i would think
Posted on May 18, 2009
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Posted on Jan 02, 2017
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