Solved! How to connect passive subwoofer to onkyo receiver with pre out

Feb 23, 2020
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Problem is Subwoofer is wired only (no input for jacks) . Have a pre amp available. with input and output jacks. Is there some type of connector available on the market?
Thanks Bobby222
 
Feb 23, 2020
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Thanks for the reply Helpstar. This older gent is not a tech wizard. So my next ?????
Do I need set of RCA cables to run from the 2 PREOUT JACKS on the RECEIVER to the PREAMP , then another set of RCA cables from the PREAMP to the connector, then run the wires to the passive speaker. Thank you once again
 
That will not work.
It's not a matter of matching the connectors. The pre out is line level and will work with a powered subwoofer with built in crossover and RCA inputs but not with a passive subwoofer which would require a crossover and power amp. If you had a sub out you would just need an amplifier since the sub out has a crossover built in.
You could connect the passive sub to front speaker B terminals which would use the amp in the receiver but you would have no way to a adjust the volume to match the other speakers and it could damage the receiver.
 
Feb 23, 2020
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That will not work.
It's not a matter of matching the connectors. The pre out is line level and will work with a powered subwoofer with built in crossover and RCA inputs but not with a passive subwoofer which would require a crossover and power amp. If you had a sub out you would just need an amplifier since the sub out has a crossover built in.
You could connect the passive sub to front speaker B terminals which would use the amp in the receiver but you would have no way to a adjust the volume to match the other speakers and it could damage the receiver.
So my small preamp which I have sleeping in a box cannot be used from the preout , to preamp, to connector you suggested, then to wired speakers. Guess I have to invest into a powered subwoofer . with the connectors.
 
Feb 23, 2020
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ONKYO TX-NR535 RECEIVER WITH 2 OUT SUB WOOFER PRE OUTS.
THE PREAMP = Pro-Ject Phono Box MM .
Tlhanks Bobby
 
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The Project phono box is used with a turntable to play vinyl on a receiver that does not have a phone input. It's useless here.
The amplifier linked to above would work but you would also need to buy a power supply for it which would add to the price.
If you can afford it buy a self powered woofer. It will sound a lot better.
 
Feb 23, 2020
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The Project phono box is used with a turntable to play vinyl on a receiver that does not have a phone input. It's useless here.
The amplifier linked to above would work but you would also need to buy a power supply for it which would add to the price.
If you can afford it buy a self powered woofer. It will sound a lot better.
Thank you for all your trouble. I will asked Santa for a Good Woofer. Have a great day and thanks again
 
Last edited by a moderator:
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