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.

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.

18WU-8741T x2 + Raal 70-10D MTM Passive Crossover Design

(2x)18WU_8741T and Raal 70-10D MTM Passive Crossover Design

Crossover Design for two 18WU-8741T Illuminator woofers in parallel and Raal 70-10D ribbon tweeter, MTM configuration

No designated box alignment.

Additional Notes:  Two large value hi-pass caps. Significant padding in hi-pass circuit. Solen PL 14awg designated for lo-pass inductor.

15W-8434G x2 + D2608-9130 MTM Passive Crossover Design

(2x) 15W_8434G and D2608_9130 Passive Crossover Design

Crossover Design for (2x) 15W-8434G in parallel and D2608-9130 HDS tweeter, MTM configuration

Box alignment: 0.3 cubic foot ported with single straight vent 2″ x 5″.

Additional Notes:  Flat response. Low parts count and single hi-pass cap. Minimal padding in hi-pass circuit. 15awg Steel Laminate inductor designated on lo-pass.

SB34NRX75-6 + P17WJ00 + D27TG35 3way Passive Crossover Design

SB34 + P17 + D27 Passive Crossover Design

Crossover Design for SB34NRX75-6 woofer, Scan P17WJ00 6.5″ mid-bass, and old Vifa D27TG35 tweeter in 3way configuration.

Woofer: 2.7 cubic foot vented, single straight port 3″ x 6″

Midrange: 0.7 cubic foot sealed chamber.

Additional Notes: Crossover points about 300 Hz and 2.5 kHz. Nominal output ~ 86-87 dB. Two large value hi-pass caps and high value midrange cap. Significant padding in hi-pass circuit. Note the woofer is in reverse polarity relative to the mid and tweeter.

SB17MFC358 x2 + D26069220 Passive Crossover Design

SB17MFC358 x2 + D26069220 Passive Crossover Design

Crossover Design for two SB17MFC35-8 in parallel and the D2606-9220 tweeter, MTM

No specified box alignment.

Additional Notes: Crossover point about 2.3 kHz. Very high nominal output ~ 93-94 dB. Two large value hi-pass caps. Significant padding in hi-pass circuit. -0- resistor value indicates optional padding to taste.

 

Satori MW16Px2 +D3004-6620 MTM Passive Crossover Design

Satori MW16Px2 +D30046620 Passive Crossover Design

Crossover design for two Satori MW16P mid-bass in parallel and the Scan Speak D30046620 in MTM configuration

No box alignment specified.

Additional Notes: Crossover point about 2.0 kHz. High nominal output ~ 92 dB +. Very clean design with low parts count and single hi-pass cap. Minimal padding in hi-pass circuit. 0- resistor value indicates optional padding to taste.

P21W020-08 + D2608-9130 Passive Crossover Design

P21W020-08 + D26089130 Passive Crossover Design

Crossover Design for Scan Speak P21W020 and D2608-9130 HDS tweeter.

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

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

26W-8861T +18W-8531G + D2905-9900 3way Passive Crossover Design

Passive Crossover Design for 26W8861T + 18W8531G + D29059900

3way crossover design for Scanspeak 26W/8861T 10″ Revelator, 18W/8531G 7″  Midwoofer and the D2905-9900 Tweeter

Anechoic design (flat response)

Woofer: 2.5 cubic foot, single straight vent 3″ x 3″ length.

Midrange: 0.25 cu. ft. sealed

Additional Notes: Crossover points about 300 Hz and 3.8 kHz. Nominal output ~ 87-88 dB. Two large value hi-pass caps. Significant padding in hi-pass circuit. -0- resistor value indicates optional padding to taste.  Note the woofer is in reverse polarity relative to the mid and tweeter.

 

18W8741T + SB29RDC-C0004 Passive Crossover Design

Passive Crossover Design for 18WU8741T + SB29RDCC0004

Crossover design for Scanspeak 18WU/8741T Illuminator, 7″ Midwoofer and the SB Acoustics SB29RDC-C0004 1″ Tweeter

Box alignment: 0.63 cubic foot ported with single straight vent 2″ x 6″ length.

Additional Notes: Low crossover point about 1.9 kHz. Nominal output ~ 86-88 dB. Two large value hi-pass caps. Significant padding in hi-pass circuit.