W22EX-001 + 12MU-4731T + D2905-9700 3way Passive Crossover Design

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 and one midrange cap. Woofer in reverse polarity relative to midrange and tweeter.

W22EX-001 + D2905-9900 2way Passive Crossover Design

W22EX-001 + D2905-9900 2way Passive Crossover Design

Seas Excel W22EX-001 + Scan-Speak Revelator D2905-9900 2way Passive Crossover Design

Box alignment: 1.5 cubic foot vented with DUAL (two) ports 2.5″ diameter x 6″ length

Notes: Crossover point about 1.8 kHz. Output in the 86-88 dB range. Two large hi-pass caps and fair amount of tweeter padding.

W22EX-001 + H1262 + T25CF-002 3way Passive Crossover Design

W22EX-001 + H1262 + T25CF-002 3way Passive Crossover Design

Seas Excel W22EX-001 + Seas Prestige H1262 + Seas Millennium T25CF-002 3way Passive Crossover Design

Woofer: 1.7 cubic foot vented with single 3″ port x 6″ length
Midrange: .15 cubic foot sealed

Notes: Crossover point about 360 Hz and 3.9 kHz. Output in the 82-83 dB range. High parts count with multiple caps. Woofer in reverse polarity relative to mid and tweeter.

P21WO20+ R2604-8330 2way Passive Crossover Design

P21WO20+ R2604-8330 2way Passive Crossover Design

Scan-Speak Classic 8″ P21WO20+ Discovery Double Magnet Ring Tweeter R2604-8330 2way Passive Crossover Design

No specified box alignment.

Additional Notes: Crossover point about 2.0 kHz. Strong nominal output ~ 88- 90 dB+. Very clean design with low parts count and single hi-pass cap. Some padding in hi-pass circuit.

S220-6-221 + C90-6-078 + D3004-6600 3way Passive Crossover Design

S220-6-221 + C90-6-078 + D3004-6600 3way Passive Crossover Design

S220-6-221 + C90-6-078 + D3004-6600 3way Passive Crossover Design

Anechoic (flat response)

Woofer: 2.0 cubic foot vented, single straight vent 3″ x 6″ length

Crossover points about 280 Hz and 3kHz.  High parts count on crossover. Woofer in inverse polarity relative to tweeter and midrange.