Loudspeaker spec sheets, crossover design plans, & speaker enclosure plans.
H1216 + H1189 2way Passive Crossover Design
SEAS Prestige CA15RLY (H1216) 5.5″ Coated Paper Cone Woofer gives a smooth extended frequency response with a controlled roll off. Blended here with the H1189 fabric dome tweeter with polymer surround. The single small value high pass cap and single low pass choke indicate a nice acoustic match.
Enclosure suggestions:
H1571 + NEOCD3.0M 2way Passive Crossover Design
This design uses the Seas H1571 7″ Curv Cone, same woofer used in the popular Idunn and Bragi kits mated with the Fountek ribbon tweeter. Single high pass cap. No box specified.
Enclosure suggestions:
Accuton C173-6-191 + C25-6-012 2way Crossover Design
This 2way design uses the world-famous Accuton 7″ ceramic cone bass-midrange for small bookshelf monitors and the 1″ ceramic dome tweeter (currently on special order basis) crossed over at about 1.8 kHz. Output in the upper 80 dB range. Impedance between 6 to 8 ohm. Good phase characteristics across the crossover region.
Morel CAW638+ CAT308 2way Crossover Design
This 2way features the Morel Classic Advanced Woofer with 3″ Hexatech aluminum voice coil and Classic Advanced Series CAT308 tweeter. Crossover point at about 3.1 kHz. Output about 86-87 dB with nominal 6 to 8 ohm impedance. Very simple network with one series cap on tweeter.
FW305+15M4624G+XT25BG60 3way Crossover Design crossover “points” at about 400 Hz/ 1.9 kHz/ 3kHz
This design uses the Fostex 12″ woofer in 3.0 cf3 vented with two ports each 3″ x5″, add 1″ if using double flared. Scanspeak 15m midrange in 0.1 cf3 sealed. The tweeter is a high output Ring Radiator with phase plug. Two large caps on tweeter hi pass and one large midrange cap. 3.0 mH is your series inductor. System impedance mostly 5- 6 ohm in the midband. System output 91 dB+.
SB13PFC25-04 and H1396 Passive Crossover Design
Crossover point about 3.2 kHz. Average SPL about 90 dB. Two high pass caps. Cabinet volume unspecified.
Crossover points @ 200 Hz and 3kHz. Complex network with fairly high parts count especially in the midrange section. Two primary high pass caps.
Woofers in 4.0 cf3 sealed, mids in 0.3 cf3 sealed
MW16P-8 x2 + T25CF002 MTM Crossover Design
Crossover point about 2.2 kHz. World famous Millennium tweeter.
Enclosure: 1.5 cf3 with two straight vents 2″ x 6″ each
Satori MW16P-8 x2 + TW29R MTM Crossover Design
Crossover point at 2kHz. Two larger caps in high pass circuit. No enclosure specified.
Seas H1571 + H1189 2-way Crossover Design
Crossover point about 2.8 kHz. Very simple and clean design with single hi pass cap.
Woofer in 0.7 cf3 with single straight port 2″ x 5″.
18W8531G x2 + R2904-7000 MTM Passive Crossover Design
Two Scan Speak Revelator woofers and Ring Radiator Tweeter in MTM configuration. Single hi-pass cap.
Woofers simulated in 1.0 cubic foot sealed. Nice high-output design.
18WU8741T x2 +D30046640Be MTM Passive Crossover Design
MTM Design with two 18WU Illuminator woofers and D3004 Beryllium tweeter
Crossover point about 1800 Hz. Two large value high-pass caps. No box alignment specified.
ZA14W008 + XT25TG30 2-way Passive Crossover Design
Single hi-pass cap.
Woofer in 0.25 cubic foot vented with a single straight port 1.5″ x 5″
H1216+ H0737 2-way Passive Crossover Design
Very clean and simple 2-way with low parts count.
H1215 + H1189 2-way Passive Crossover Design
Very clean and simple 2way design. 14 and 20 liter vented box options specified.
Note: Tweeter and midrange in reverse polarity to woofer.
Small high pass cap, but large value midrange cap. High-order network.
Woofer in 3.0 cf3 tuned with a 3″ x 5″ straight port. Midrange in 0.2 cf3 sealed.
H1208 + H1262 + H1189 3-way Passive Crossover Design
Note: Tweeter and midrange in reverse polarity to woofer.
Small high pass cap, but large value midrange cap. High-order network.
Woofer in 1.0 cf3 tuned with a 2″ x 4″ straight port. Midrange in 0.1 cf3 sealed.
MTM with two P17 in parallel. Single high pass cap, nice clean design. No box parameters specified.
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
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
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
W17RC38+ TN25 Passive Crossover Design
Silver Flute W17RC38+ Hi-Vi TN25 Passive Crossover Design
Incredibly simple design with only six components. Very basic pad on tweeter. Good budget 2way.
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 and one midrange cap. Woofer in reverse polarity relative to midrange and tweeter.
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 + H1189 2way Passive Crossover Design
Seas Excel W22EX-001 + Seas Prestige H1189 2way Passive Crossover Design
Box alignment: 1.7 cubic foot vented with single port 3″ x 6″
Notes: Crossover point about 2 kHz. Output in the 86-88 dB range. Pretty clean design. One hi-pass cap. Fair amount of tweeter padding.