Polk PSW-108 with M-Audio AV-40
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theonealex
Posts: 3
Hello, I am trying to pair my new Polk PSW-108 with a set of M-Audio AV-40 desktop speakers. Everything is powered on and I have an RCA cable connecting the AV-40 "Line" channel to the PSW-108 "Line In" channel. I am playing music by connecting an AUX cable from my computer to the "Aux In" port on the AV-40 speakers. What am I doing wrong?
Polk PSW-108 Back Panel
M-Audio AV-40 Back Panel
Polk PSW-108 Back Panel
M-Audio AV-40 Back Panel
Comments
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Those are input RCA jacks on your speakers. There is no way to connect a sub to those speakers. Time to punt.Political Correctness'.........defined
"A doctrine fostered by a delusional, illogical minority and rabidly promoted by an unscrupulous mainstream media, which holds forth the proposition that it is entirely possible to pick up a t-u-r-d by the clean end."
President of Club Polk -
Those are input RCA jacks on your speakers. There is no way to connect a sub to those speakers. Time to punt.
Could I do AUX -> Subwoofer RCA "Line In" and then Subwoofer "Speaker Level Output" to speaker RCA? -
Correction, there is no way to connect that particular Polk PSW-108 subwoofer to those speakers, unless you use a preamp with a dedicated subwoofer pre-out. Since you are using your PC's sound card as a preamp, there is no subwoofer pre-out available in this case.
In your particular use case, with powered "studio" monitors like those, you'd need a "studio/professional" subwoofer with inputs/outputs like this:
You'd run your 3.5mm to RCA L & R RCA cable from your PC to the unbalanced input connector on the subwoofer, and then 1/4" TRS balanced cables from the subwoofer to the TRS inputs on your AV-40s.
I would return the Polk sub and get one that has the ins/outs that you require.
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theonealex wrote: »Could I do AUX -> Subwoofer RCA "Line In" and then Subwoofer "Speaker Level Output" to speaker RCA?
Nope, because the AV-40s are expecting a line level signal, not a speaker level one. -
I would return the Polk sub and get one that has the ins/outs that you require.
Done. I'll just wait until my speakers are ready for an upgrade as well. Then I'll make a more intelligent purchase
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You could split the output from your computer and run into both the speakers and the sub and then blend the subwoofer in using the crossover dial, but that would be cumbersome and not the best sound quality.Living Room 2.2: Usher BE-718 "tiny dancers"; Dual DIY Dayton audio RSS210HF-4 Subs with Dayton SPA-250 amps; Arcam SA30; Musical Fidelity A308; Sony UBP-x1000es; Squeezebox Touch with Bolder Power Supply
Game Room 5.1.4: Denon AVR-X4200w; Sony UBP-x700; Definitive Technology Power Monitor 900 mains, CLR-3000 center, StudioMonitor 350 surrounds, ProMonitor 800 atmos x4; Sub - Monoprice Monolith 15in THX Ultra
Bedroom 2.1Cambridge Azur 551r; Polk RT25i; ACI Titan Subwoofer -
There is a way. A little convoluted for my taste, but it'd work. 3.5mm to l/r rca from the sound card. Plug an rca splitter into each of those rcas. Then run cables from the splitters to the speakers and sub.
I think that's what rooftop was suggesting. -
To add, you'd need to control volume via the sound card. Not the AV 40s front mounted control.
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I like my answer. Time to punt.Political Correctness'.........defined
"A doctrine fostered by a delusional, illogical minority and rabidly promoted by an unscrupulous mainstream media, which holds forth the proposition that it is entirely possible to pick up a t-u-r-d by the clean end."
President of Club Polk
