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Best Sound Settings For R-51 PM Powered Bluetooth and R-12SWi Subwoofer Speaker(s)

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Posted (edited)


Last time I was really into stereo anything was back in the day when 8 track tapes were the thing to have, and the best records to buy were pressed onto Virgin Vinyl... so it's been quite a while since I've delved into this sort of thing (I was never into 8 tracks and only bought cassettes (which were imho) far superior (in that they were a mini reel-to-reel tape system in an odd sort of way). 


In any event, I purchased the R-51PM Powered Bluetooth Speakers back in March, and just received the R-12SWi Sub-woofer earlier this week. I was hoping that someone could tell me the optimum settings for the R-12SWi; gain and lowpass (Hz), so that it will work well with my R-51PM's (I've connected both units with KabelDirekt RCA Stereo Cables).


Additionally, there is a toggle switch for "Phase" Control (0' or 180') and I have no idea which setting to use. Could anyone tell me what "Phase" Control does, and how I should have it set?


Thank you in advance for taking the time to respond to my post.



It would appear that I was able to purchase the last NEW R-12SWi on Amazon (the other one listed was in "used but like new condition") and although eBay lists a few new ones (last I checked) most ALL of the R-12SW/R-12SWi's being sold are also in used condition. Additionally, it doesn't appear that Klipsch is listing the R-12SW/R12SWi on their website. I was curious and wanted to know if Klipsch has discontinued production for those particular Sub-woofers.

Edited by Jazzbutcher
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Set your sub's gain to the line to the left of the 12 o'clock setting.  This is generally recommended for most powered subs.


Set phase to 0.  This is generally recommended when using a single sub.  Sometimes when using multiple subs setting one to 0 and one to 180 helps prevent cancellation of bass frequencies.


Set your crossover to the highest it will go (LFE).  This will allow the built-in crossover in the R-51PMs to better blend the crossover point of bass between them and your sub.


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