decato

  • Re: Refreshing my RTA 15TLs

    I do not like BH5 or any of these resonance-reducing foam sheets on vintage Polk speakers. Every time I tried them, I found it made upper bass sound "tubby" or "chesty". The same …
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  • Modifications to the RTA 15TL

    Introduction and Goals The RTA 15TL was Polk’s top of the line non-SDA model, manufactured from 1990-1992. It features a vertical array of drivers with the tweeter positioned in the center, a configu…
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  • Re: Cracked Rubber Surround on MW65xx Drivers

    After speaking with various engineers, I'm starting to think that this form of degradation is the result of repeatedly pushing the driver hard. These tears might actually be stress fractures caused f…
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  • Re: Distortion on RD0194-1

    There's no bracing. Ideally, there should be one from front to back between the driver and passive radiator. The problem is the crossover is mounted higher up in this series, right where the brace sh…
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  • Distortion on RD0194-1

    Hi everyone, I have just completed restoring (and modifying) a beautiful pair of Monitor 7Cs in black with the original stands. I ordered a pair of RD0194-1 tweeters to replace the SL2000s. Oddly, on…
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