Configuring multiple woofers for
connection to a single amplifier:
Figure 7. Connect two woofers in parallel
(with coils in parallel) for a 1.5-ohm load
Figure 8. Connect three woofers in parallel (with
coils in series) for a 4-ohm load
Figure 9. Connect four woofers in parallel (with
coils in series) for a 3-ohm load