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Std Edition24 dB/Octave 2-Way Linkwitz-Riley Electronic Crossover for ICEpower 50ASX2se

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Published Time:2019-11-16 19:38:16
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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

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prototipe board

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Crossover schematic

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Crossover PCB

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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

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