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Need help understanding my Polk Audio PSW250

post #1 of 11
Thread Starter 
I have a Polk Audio PSW250 Subwoofer, nothing fancy. I have this connected to my Sony STR-DE985 along with Polk Satellites (RS6200 series)

I have my speakers configured in my receiver as Large Front, small rears and have the Left/rights fed into the Subwoofer and then back out to my speakers.

My questions:
1) what is the low pass dial used for? It ranges from 80Hz to 160Hz.
2) what is the phase switch for? It toggles from 0 degrees to 180 degrees

Edit: RM6200 is what I have not RM6000
post #2 of 11
Quote:
Originally Posted by kezug View Post

I have a Polk Audio PSW250 Subwoofer, nothing fancy. I have this connected to my Sony STR-DE985 along with Polk Satellites (I think RS6000 series)

I have my speakers configured in my receiver as Large Front, small rears and have the Left/rights fed into the Subwoofer and then back out to my speakers.

My questions:
1) what is the low pass dial used for? It ranges from 80Hz to 160Hz.
2) what is the phase switch for? It toggles from 0 degrees to 180 degrees

IF I were you, I would not run the fronts through the sub. Instead, set all of your speakers to small and use 80Hz as your crossover setting on your receiver. Then use the sub out of your receiver to the LFE input on your sub. This will send everything below 80HZ to the sub, and the Sub crossover knob will have no effect.

The phase control has to do with the location of your sub. The best way to test this is to play some good bassy music. Sit in your primary seat and have someone else switch the phase back and forth. Whichever setting produces more bass is correct. Chances are if your sub is on the same wall as your mains, and is facing forward, then 0 will be the correct setting.
post #3 of 11
The PSW250 doesn't have an LFE. Go to page 7 here for individual specs.

http://www.polkaudio.com/downloads/m..._450Manual.pdf

I have one myself and I just dont' know how to hook it up properly either using my Panasonic SA-HE75. Specs for that could be found here if anyone is really into helping us two guys out.

http://www2.panasonic.com/consumer-e.../model.SA-HE75
post #4 of 11
Alas, still no help for us chumps.
post #5 of 11
Hate to bump this thread gang but I'm still stumped on this.
post #6 of 11
Thread Starter 
Quote:
Originally Posted by Heffty View Post

Hate to bump this thread gang but I'm still stumped on this.

I will try...with my Sony STR-DE985, I had to set my receiver up to show that I have 2 Large Fronts. I then connected my L and R out to the INputs of this Sub. From the sub L and R outs, I ran wires to my actual Front and Left.

From the way I understand it, the SUb then acts as the crossover taking LFE for itself and passing the rest of the signal to the Fronts....but I am not expert at this at all.

Does your receiver have similar setup options?
post #7 of 11
Just run a rca cable from your receiver to the line level input on your sub. Set your speakers to small in your receiver.
post #8 of 11
Quote:
Originally Posted by Heffty View Post

The PSW250 doesn't have an LFE. Go to page 7 here for individual specs.

http://www.polkaudio.com/downloads/m..._450Manual.pdf

I have one myself and I just dont' know how to hook it up properly either using my Panasonic SA-HE75. Specs for that could be found here if anyone is really into helping us two guys out.

http://www2.panasonic.com/consumer-e.../model.SA-HE75

Unless I'm reading it incorrectly the manual states that the PSW250 does have an LFE input. See page 5 - hookup option 2. This is the correct way to hook up the sub, I'm not sure why it's not option 1?
post #9 of 11
Option two states it's only for the 350 and 450 right beside the picture.
post #10 of 11
Thread Starter 
I am digging up this old thread as I have a question about my PSW250 (I know...I should upgrade my speakers, but until then...)

My PSW250 doesnt have a LFE Input, but it does have Line Level Input L/R.
What is the Line Level Input L/R?
And can I run a line from my AVR Sub Pre-out with a Y split cable into the Line Level Input?
post #11 of 11
This answer (which also works for the PSW250) is general. You just run an rca cable from the sub-out or LFE-out on the AVR to the subwoofer. Usually you can plug into either the L- or R-rca-input on the sub. Sometimes the owner's manual recommends getting a y-splitter (monoprice.com or Radio Shack <$20) that you plug into both the L- and R-outputs on the sub.
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