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Has there been any inexpensive item that enhanced your system's sound?

For me it was an inexpensive power cord that was laying around for years, a Pangea AC9.  I have it connected to my Yamaha A S2000.  I've tried the stock cord on the Yamaha and then some of my other cords, (Wireworld, VH Flavor 4, Acronlink/Oyaide custom cord and a MAC). I've had lots of amps and integrated amps over the years, and this is the first time the Pangea contributed to making better sound. It surprised me because I had tossed it aside and forgot about it.  Power cord performance is such a crap-shoot and dependent on so many other variables in the audio chain.  Any inexpensive item you've come across that enhanced your system's sound? 
foster_9
danvignau's avatar
danvignau
935 posts
 
     The cheapest improvement to my sound is two cones of foam, mounted to the center of my two sub grill covers. They cost a negative $250, assuming I sell my Thiel, custom built Madisound, and another custom designed sub crossover I still have.
That, and time aligning the subs with the mains.
bdp24's avatar
bdp24
9,788 posts
 
Actually Jerry, she was asking because of the age-related regulations regarding drivers licenses. It was the shock of being called elderly, and the realization that I apparently am, I guess! I still think of my self as a 39 year old, ya know?
foster_9 OP
1,638 posts
 
knghifi, I will admit the outlet I replaced was a few years old and I never thought to clean the blades. Maybe I will have it reinstalled as a replacement for another outlet in my audio room after cleaning and listen for improvements.
billbartuska
83 posts
 
Check the mounting bolts/screws on you woofers and sub-woofers.
Re-tighten if necessary.
czarivey
5,946 posts
 
asked children to go to their room.
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