Tried it. Polk MW 6502 in the SDA Polk MW 6511 spot.
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VSAT88
Posts: 1,387
A friend told me to try the 6502 instead of the 6511 in the SDA spot on my speakers. Have to say now I am enjoying my SDA speakers again. Tried posting this before and guess I lost it somehow. Anyway, I have multiple 6511 woofers each with some kind of problem. I do not recall all these problems years ago, bottoming out, resonance. Affecting the sound quality. Mid-range always sounded off. I had almost quit listening to my favorite set of speakers, SDA 2b s. I do believe its possible that after all these years the surrounds/spiders are weak. Anyhow I tried it and I am very happy with the results. May not be for everyone but for me... It worked well!
1 Driver Type Q BL Compliance DC Resistance Fs
3 MW 6501 1.47 5.96 N 3.25 E - 3N/M 7.75 Ohms 31 Hertz
4 MW 6502 1.97 5.16 N 1.47 E - 3N/M 3.52 Ohms 44 Hertz
5 MW 6503 1.82 5.24 N 3.55 E - 3N/M 6.54 Ohms 29 Hertz
6 MW 6509 2.1 4.57 N 3.54 E - 3N/M 8.97 Ohms 30 Hertz
7 MW 6510 1.39 6.32 N 3.41 E - 3N/M 6.57 Ohms 31 Hertz
8 MW 6511 1.405 4.34 N 3.496 E - 3N/M 3.13 Ohms 29 Hertz
9 MW 6512 1.905 4.99 N 1.588 E - 3N/M 3.466 Ohms 40 Hertz
1 Driver Type Q BL Compliance DC Resistance Fs
3 MW 6501 1.47 5.96 N 3.25 E - 3N/M 7.75 Ohms 31 Hertz
4 MW 6502 1.97 5.16 N 1.47 E - 3N/M 3.52 Ohms 44 Hertz
5 MW 6503 1.82 5.24 N 3.55 E - 3N/M 6.54 Ohms 29 Hertz
6 MW 6509 2.1 4.57 N 3.54 E - 3N/M 8.97 Ohms 30 Hertz
7 MW 6510 1.39 6.32 N 3.41 E - 3N/M 6.57 Ohms 31 Hertz
8 MW 6511 1.405 4.34 N 3.496 E - 3N/M 3.13 Ohms 29 Hertz
9 MW 6512 1.905 4.99 N 1.588 E - 3N/M 3.466 Ohms 40 Hertz