Passive Crossover Design for 18W8531G + D3004-6620
Crossover design for Scanspeak 18W/8531G Revelator, 7″ Midwoofer and the ScanSpeak D3004-6620 1″ Tweeter
No designated box alignment.
Additional Notes: Crossover point about 2.7 kHz. Nominal output mid 80’s dB. Two large value hi-pass caps. Some padding in hi-pass.
Seas W15CY-001 and T25CF-001 2-way Design This design uses a single inductor in series with the woofer, with some additional parallel circuitry. The high pass has two capacitors, and film caps would be a good choice there. No box or cabinet is specified.
SB17MFC35-8 + SB29RDCN-C00 2-way Passive Crossover Design No enclosure specified. A large 30 mfd cap in high pass. For Autosound use.
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.
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: Sealed box of 0.2 cubic foot for an F3 of 97Hz. Vented box of
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
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.