Passive Sub to Onkyo TX-NR515 - AVS Forum
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post #1 of 4 Old 11-13-2012, 01:36 PM - Thread Starter
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Hello all,

I am helping a buddy with his home theater setup and have run into some trouble. His receiver is an Onkyo TX-NR515 but the in-wall sub he installed is passive. He is ordering an amplifier to power the sub, but I am concerned about the fact that the amp does not have an LFE connection, only line level. What is the best way to connect the passive sub to the receiver? Is there a way to utilize the zone 2 speaker connectors? If I do need an amplifier, should it have LFE or is line level sufficient?

Thank you in advance for any help you can provide.
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post #2 of 4 Old 11-13-2012, 03:39 PM
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The 515 has (2) sub pre-out connections. Connect one of them to the sub amps line level input.


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post #3 of 4 Old 11-14-2012, 08:39 AM - Thread Starter
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Thank you for the response. That sounds good. If I am using a two-connector RCA cable from the amp, should I connect that to a RCA "Y" adapter to the sub pre-out on the receiver?
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post #4 of 4 Old 11-14-2012, 03:38 PM
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Yup.

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Mon - Fri: 8am – 8pm EST (Sat/Sun too, will return call if I don't pick up)
Call for pricing on Denon, Marantz, Yamaha, Onkyo, Klipsch, Def Tech, Oppo, Parasound 
** Think the AVR is defective?  Reset the microprocessor 4-5 times. 
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