Passive Crossover Design for 18W4531G + D30046620
Crossover design for Scanspeak 18W/4531G Revelator, 7″ Midwoofer and the ScanSpeak D3004-6620 1″ Tweeter
No designated box alignment.
Additional Notes: Crossover point about 2.7 kHz. Nominal output ~ 87-88 dB. Very clean design with low parts count and single hi-pass cap. Minimal padding in hi-pass circuit.
W18E-001 + R2904-7000 Passive Crossover Design Seas Excel W18E-001 + Scan Speak R2904-7000 2way Passive Crossover Design No box alignment specified. Very clean 2-way with low parts count, single hi-pass cap and minimal tweeter padding.
W18EX-001 + T25CF-0001 Passive Crossover Design W18EX-001 + T25CF-0001 Passive Crossover Design Box alignment: 0.25 cubic foot ported with single straight vent 2″ x 6″ Notes: Single hi-pass cap. Some extra padding on tweeter.
W18EX-001 + T25CF-002 Passive Crossover Design W18EX-001 + T25CF-002 Passive Crossover Design Box alignment: 0.48 cubic foot vented with single straight port 2″ x 6″ Single hi-pass cap. Some extra padding in tweeter circuit.
W18EX-002 + T25CF-002 Passive Crossover Design Seas W18EX-002 + T25CF-002 Passive Crossover Design No box alignment specified. Single high-pass cap with some extra padding in tweeter circuit.
W20RC38-08 + H1189 2way Passive Crossover Design Silver Flute 8″ W20RC38-08 + Seas Prestige H1189 2way Passive Crossover Design No specified box alignment. Notes: Crossover point about 2.2 kHz. Output in the 86-88 dB range. Pretty clean design. One hi-pass cap. Fair amount of tweeter padding.
W22EX-001 + 12MU-4731T + D2905-9700 3way Passive Crossover Design Seas Excel W22EX-001 + Scan-Speak 12MU-4731T + Scan-Speak D2905-9700 3way Passive Crossover Design Anechoic design (flat response) Woofer: 1.8 cubic foot vented with single port 3″ x 4″ Midrange: 0.25 cubic foot sealed Notes: Crossover points @ about 350 Hz and 3.2 kHz. Two high pass