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Re: Must try MOD - Foam inside the stamped steel baskets - YES!
I did it by itself with lots of ingrained aural memory of how my speakers sounded prior, ie. lots of time since the previous mod which I believe was a 6" x 6" square of BH5. Eva Cassady was…3 · -
Re: Must try MOD - Foam inside the stamped steel baskets - YES!
^^When the magnet assembly and dust cap has been removed, a spud can be used to pull the voice coil up just out of the way and you can add some foam to that recessed area, attached with power grab or…2 · -
Re: Polk 7A Sound Problems, maybe?
Polk didn't report on sensitivity in the sales brochure that I was given when I bought my 7Bs in late Oct 1979. I don't know why they left that spec out but it has made me curious as far as…2 · -
Re: BLACKHOLE 5 Damping Material
He's talking about BH5, and any similar products, here: "Many other products used in this application often suspend a barrier layer sandwiched between foam layers. This can have some isolat…2 · -
Re: Comparing Monitor 10's and RTA-12's
Found a sketch in the archives not on official Polk Drafting Dept. paper but must be the early RTA12. It is Fourth Order but there is an extra shunt of a resistor and capacitor in series for the midw…2 ·
