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Peerless 830870 4" woofer with Vifa XT25TG30-04 Need help X-Over...

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  • Peerless 830870 4" woofer with Vifa XT25TG30-04 Need help X-Over...

    I see the 830870 is going off sale tomorrow,
    Is anyone able to do a quick crossover with the XT25TG30-04 on a 7" Baffle, at about 2.5 Khz?
    No BSC needed, just want to see what it would take to cross them.

    Thanks ahead, ... I am not at home able to do any of this now.

  • #2
    No baffle effects. "Flat" (about 86dB +/-1dB).
    2nd order LP w/Zobel: 0.80mH series coil, 3uF shunt cap, Zobel = 8ohms+6uF
    I also notched across the coil w/a 0.68uF cap to help roll off the top end.
    2nd order HP w/L-pad: 8uF series cap, 0.40mH shunt coil, L-Pad: SR = 2n, PR = 8n
    Normal polarity is indicated. Fc near 2.3kHz.
    Both drivers look very flat. No apparent breakup on woofer.
    Solid 8n design. About 60Hz in 0.2 vented cu.ft. 17w RMS at Xmax at 60Hz. 98dB.

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