Question about JVC Audio & Video Receivers
I have a pair of KEF IQ9?s; a KEF 3500 Subwoofer My receiver is a JVC RX 5000VBK (has a Subwoofer Out jack but no internal speaker settings.) Question: How do I attach the Subwoofer to the Receiver and what Subwoofer settings do I use? If I use the Subwoofer Out from the Receiver and the LFE setting on the subwoofer I am feeding signals of 250 hz flat and the Crossover Frequency control doesn?t work so that I?m duplicating many of the bass frequencies. I?ve been advised that attaching the Subwoofer to the same terminals as my loudspeakers could create an overload. The only other Receiver outputs I have is Tape Out, and that?s a fixed volume signal. I am at a loss. How else can I attach the Subwoofer?
Hey Tad, I have the same problem and perhaps a solution. I just moved to the other SW "pre-out" and it seems to be working..the green light is on . Whatever works i guess.
Posted on May 14, 2008
there's no test tone under normal use for the sub. It only shoud test the three front and two rear. ther' are disc you can use to test all the speakers. ( If you are into Pink Folyd, the movie The Wall has what you need to help balance the speakers
Posted on Jan 19, 2010
First of all the KEF is a powered sub which means that it wants a line level signal NOT a speaker level. Send the signal from a tape output or pre-amp output to the sub input. The overload is because the impedence load for the speaker output is too low and looks like a short to the amp. Continued attempts to connect the system as described will result in damage to the output section of the amp.
Please let me know if you need more info.
Posted on Feb 03, 2010
The only relevant speaker spec is the impedance. As you probably realize the Pioneer SX-255R recommends 8 - 16 ohm speakers.
Four ohms is on the hairy edge of too low. You could certainly try it but if any strain or excessive volume is used you could see something go poof!
The low end of 120Hz says don't push the bass to them.
Posted on Jul 14, 2011
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