24 dB/Octave 2-Way Linkwitz-Riley Electronic Crossover for ICEpower 50ASX2se

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STD 24 dB/Octave 2-Way Linkwitz-Riley Electronic Crossover for ICEpower 50ASX2se

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Update time： 2022-03-07 22:37:18

Creation time： 2019-11-16 11:38:16

Description

The crossover circuit board is optimized for use as part of an active two-way speaker system using the ICEpower 50ASX2se module as an amplifier. It also implies a control board and automatic shutdown of the speaker system, it is not ready yet, a prototype board is used instead. All boards are made in the same dimensional grid and in the same style as the 50asx2 modules. Section frequency at element ratings in the circuit - 310Hz. See here for more details: https://sound-au.com/project09.htm

Design Drawing

schematic diagram

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Crossover schematic
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PCB

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prototipe board
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Crossover PCB
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BOM

BOM download Purchase Parts

ID	Name	Designator	Footprint	Quantity
1	100uF	C1,C2,C24,C25,C30,C31	CAP-D6.3XF2.5	6
2	*	C3	CAP-0.2	1
3	100nF	C4,C5,C11,C12,C18,C19,C20,C21,C22,C23,C28,C29	CAP-0.2	12
4	33nF	C6,C7,C8,C9,C10,C13,C14,C15,C16,C17	CAP-TH_L7.2-W2.5-P5.00-D0.5	10
5	10uF	C26,C27	CAP-TH_BD5.0-P2.00-D0.8-FD	2
6	1N4004	D1,D2,D3,D4	DO-41_BD2.4-L4.7-P8.70-D0.9-RD	4
7	PH-2A	P1	SIP-2.0MM-2P-BOOMELE-H6.1	1
8	PH-3A	P2	SIP-2.0MM-3P-BOOMELE-H6.1	1
9	PH-7A	P3,P4	SIP-2.0MM-7P-BOOMELE-H6.1	2
10	*	R1,R2,R5,R6,R34,R35,R7	RES-TH_BD2.5-L6.2-P10.20-D0.6	7
11	1K	R3	RES-TH_BD2.5-L6.2-P10.20-D0.6	1
12	100K	R4	RES-TH_BD2.5-L6.2-P10.20-D0.6	1
13	11K	R8,R9,R10,R11,R12,R13,R14,R15,R16,R17	RES-TH_BD2.5-L6.2-P10.20-D0.6	10
14	100	R18,R19,R28,R29	RES-TH_BD2.5-L6.2-P10.20-D0.6	4
15	20K	R20,R21	RES-ADJ-TH_3296W	2
16	10K	R22,R23,R24,R25,R26,R27	RES-TH_BD2.5-L6.2-P10.20-D0.6	6
17	120	R30,R33	RES-TH_BD2.5-L6.2-P10.20-D0.6	2
18	1.5K	R31,R32	RES-TH_BD2.5-L6.2-P10.20-D0.6	2
19	LM317T-DG	U5	TO-220(TO-220-3)	1
20	LM337SP	U6	TO-220(TO-220-3)	1
21	NE5532AP	U1,U2,U3,U4	DIP8	4