320-0045-002 = 2216Nd-1
Note that GT used a 5.0 cu ft (142 l) box tuned to 36 Hz for 4367
Compare to S4700 with 4.78 cu ft (135 l) tuned to 32 Hz for 320-0045-001 = 2216Nd = NLA
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320-0045-002 = 2216Nd-1
Note that GT used a 5.0 cu ft (142 l) box tuned to 36 Hz for 4367
Compare to S4700 with 4.78 cu ft (135 l) tuned to 32 Hz for 320-0045-001 = 2216Nd = NLA
It would me too. But that damn foam! :banghead:
It was totally fine back then when we didn't know any better. :p
Lans-a-loy was an even better termination but we all know how that turned out....
Yeah, the rubber surround played hell on the crossover frequency. It was pretty goofy actually. There was a way to get rid of it with a very narrow notch filter but the notch filter was too darn...
Strangely I ended up with J.M's cloth surrounds on all my LF transducers (2216Nd and 1501AL-2). Full circle. Cloth - Lans-a-Loy - Foam - Rubber - Cloth - The End.
Interesting!
Maybe it is a desert thing... I've noticed that the environment has a large effect on when exactly the foam surrounds fail. I think it is quite interesting how we forgo alleged...