Hi Bill etal. On the omnitop 12 and other horn loaded designs, you specify a larger diameter phase plug for a lower frequency crossover. Can you explain why this is? What happens with a wrong sized phase plug?
Thx
Phase plug diameter
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Mikesummers
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Re: Phase plug diameter
When I prototyped the cabs I tried various phase plug sizes for the two crossover options. What worked best is what made it into the plans.