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  1. #1

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    Join Date
    Sep 2011

    Default RTi A9 SPL Rating

    My A9s seem considerably less sensitive than their SPL rating would suggest. I also have a pair of A7 and each pair are driven by seperate dedicated amps. At 1 watt output registered on each amp, the A7 seem considerably louder at 3' than the A9 even though the two models claim to have near identical SPL specs. Anyone have any insights as to why this might be?
    McIntosh: MC 2155, MC 2125, MC 2505, MR 80, C 30, MQ 101
    Polk: RTi A9, RTi A7; Snell J7
    Pioneer PL-518; A/T 440 MLa; Yamaha KX-393

  2. #2

    Member Sales Rating: (0)

    Join Date
    Jan 2011
    Along the Eastern shore of Lake Michigan


    Are you using a SPL meter?. I have only the a9's and they need a lot of juice to me in the morning.
    Main Family Room: Sony 46 LCD, Sony Blue Ray, Sony DVD/VCR combo,Onkyo TXNR 708, Parasound 5250,
    Polk SDS-SRS with mods, CSI 5 center + Klipsch SC2, Polk RT2000P rears, Klipsch KG 1.5's sides, Polk Micro Pro 1000, Polk Micro Pro 2000, Polk SW505, Belkin PF60, Signal Cable Classics,Monster IC's, 2 15 amp circuits & 1 20 amp circuit.

    Living Room: Belkin PF60, Parasound HCA2200, MIT ProlineEXP balanced IC's,Emotiva XDA-1 DAC/Pre,Emotiva ERC2 transport,MIT AVT2, Polk LSI 9's.

  3. #3

    Member Sales Rating: (0)

    Join Date
    Jul 2012
    central Texas, trailer court on right


    Your driving 3 woofers and 2 mids on the A9's. That's why those A9's have a max power rating twice the amount of the A7's. Forget that low end number, that is where you will just start hearing some kind of recognizable sound being produced.

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