EXPIRED Wanted Yamaha P5000S Power Amplifier

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Hi, looking for a reasonably low noise/distortion stereo PA amp for a horn project with around 500 watts RMS into 8 ohms. The Yamaha P series (P5000S, P7000S) seem to fit the bill but the newer PX range would be fine too I think. Willing to consider other options (Crown, EV, Dynacord, QSC?) but prefer either Class D or A/B with SMPS due to weight.