18W8531G x2 + D2905-9700 MTM Passive Crossover Design

Passive Crossover Design for 18W8531G x2 + D2905-9700

Crossover design for two Scanspeak 18W/8531G Revelators, 7″ Midwoofer and the ScanSpeak D2905-9700 Tweeter (MTM configuration)

Box alignment: 1.5 cubic foot, TWO 2″ diameter straight ports at 6″ length each.

Additional Notes: Crossover point about 2.7 kHz. Very strong nominal output above~ 90 dB.  Two large value hi-pass caps. Note -0- resistor value indicates optional resistor padding (adjust tweeter level to taste).