Blast from the past. Carvin actually offered the 421 in that enclosure.
Interesting! Vents way larger than the driver's piston area without proper horn loading is normally a recipe for disaster unless there's a near infinite slope limiter.
Loud is Beautiful if it's Clean! As always though, the usual disclaimers apply to this post's contents.
Interesting! Vents way larger than the driver's piston area without proper horn loading is normally a recipe for disaster unless there's a near infinite slope limiter.
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