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Re: Sda srs 1.2 reversed polarity?!
Yes, T3, third from the top, should be the loudest. If it is not, can you verify T3 is not blown or damaged by swapping it with T4. Tweeters T1, T2, and T4 are in series with a resistor, so their lev…2 · -
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 …4 · -
Re: Modifications to the RTA 15TL
I'm glad to hear that these mods are still bringing joy to listeners!3 · -
Re: Modifications to the RTA 15TL
A second-order crossover will put the four woofers' and single tweeter's signals out of phase with one another, causing a dip in the frequency response centered on the crossover frequency. …2 ·
