Speedster Crossover

Crossover PCB layout for Paul Carmody's Speedster speakers. Designed with V-cut stackable boards for high and low-pass circuits.

Render

Schematic

BOM

The layout was designed for the following components. Extra pads have been added to allow the use of physically smaller capacitors. Additional pins have been added to X1 and X2 to support the use of through-hole quick disconnects.

Ref	Component	Link
R1	Vishay Mills MRA-12 10R	http://www.digikey.com/product-search/en?mpart=MRA-1210R00FE12&vendor=541
R2	Vishay Mills MRA-12 8R	http://www.digikey.com/product-search/en?mpart=MRA-128R000FE12&vendor=541
C1	AUDYN CAP PLUS MKP 2.20 MF/ 800 V 2% AXIAL 43X25	https://www.intertechnik.com/Shop/Cross-over-parts/Capacitors/Audyn-Cap-Plus/_PLUS22008_1768,en,280,46735
C2	AUDYN CAP PLUS MKP 4.70 MF/ 800 V 2% AXIAL 63X35	https://www.intertechnik.com/Shop/Cross-over-parts/Capacitors/Audyn-Cap-Plus/_PLUS47008_1768,en,280,46738
C3	AUDYN CAP PLUS MKP 4.70 MF/ 800 V 2% AXIAL 63X35	https://www.intertechnik.com/Shop/Cross-over-parts/Capacitors/Audyn-Cap-Plus/_PLUS47008_1768,en,280,46738
L1	Meniscus Audio .25mH, Perfect Layer 20ga.	http://meniscusaudio.com/025mh-20ga-p-597.html
L2	Meniscus Audio 1.5mH, Layer Wound 18ga.	http://meniscusaudio.com/150mh-18-ga-p-638.html
L3	Meniscus Audio .35mH, Layer Wound 18ga.	http://meniscusaudio.com/035mh-18-ga-p-622.html
X1	Phoenix Contact 1730418 (CONN TERM BLOCK 4POS 5.08MM)	http://www.digikey.com/product-search/en?mpart=1730418&vendor=277
X2	Phoenix Contact 1730434 (CONN TERM BLOCK 6POS 5.08MM)	http://www.digikey.com/product-search/en?mpart=1730434&vendor=277
X1/2 Alt.	PCB quick disconnect terminal	http://www.mcmaster.com/#7956k5/=10cwxu4