Separate amps indeed but it looks like you are all set for that smile.

External crossovers also eliminate any concern from magnetic coupling from the drivers including modulation from enclosure vibrations.
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BANNED & QUARANTINED
A-LFR/1000-8 & 2/500v4x2
1000-3,1500-3
100,160,QS10x2,800,M5x2,M2/3/50v4
had v2