| 18" IB sub
Finalized the coils and specs for the 18 IB model.
Re 1.5 Ohms (single 2 Ohm)
Le .87mH
Fs 22.9 hz
Qms 3.25
Qes .79
Qts .63
Vas 381 l
Mms 258 g
Sd 1210 cm^2
Spl 89.4 1W/1m
Xmax is 30mm and suspension and motor limit right about at the same time.
Looking at about 2 weeks for the production run of coils and we will get stock built up on these.
At about 500-600 W it hits its linear limits at 20Hz. Power needs will vary accordingly.
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