SB29NRX75-6 + H1262 + SB29RDC-C000-4 3-way Passive Crossover Design

Simulated in half-space. Crossover points at 300 Hz and about 3.3 kHz.

Note low impedance dropping to 3 ohm in lower region.

Large midrange cap and two large hi-pass caps. Woofer in 1.8 cf3 with single vent 3″ x 10″. Note mid and tweeter are in reverse polarity relative to woofer.

SB29NRX75-6 + SB12NRXF25-4 + SB29RDC-COOO-4 3-way Passive Crossover Design

SB29NRX75-6 + SB12NRXF25-4 + SB29RDC-COOO-4 3-way Passive Crossover Design

SB Acoustics SB29NRX75-6 + SB12NRXF25-4 + SB29RDC-COOO-4 3-way Passive Crossover Design

Crossover points at about 300 Hz and 2500 Hz.

Woofer alignment: 1.8 cubic foot vented with a single vent 3″ x 8″.

Midrange: 0.2 cubic foot sealed.

Tweeter and midrange in reverse polarity relative to woofer.

SB29RNX75+ H1571 + H1212 3way Passive Crossover Design

SB29RNX75+ H1571 + H1212 3way Passive Crossover Design

SB29RNX75+ H1571 + H1212 3way Passive Crossover Design

Notes: 3way Passive Design with 10″ SB woofer. Crossover points at ~300 Hz and ~2.6kHz. Clean network with one series high-pass and one mid-pass cap.

Woofer alignment: 2.1 cubic foot vented, single vent 3″ x 6″

Midrange: 0.25 cf sealed

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.