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Softstart

Synthron·SymAsym·Hardware/Black_Devil/Softstart.kicad_pcb

Softstart PCB layout, top view — open source board by Synthron

About the Softstart PCB

Softstart is an open source PCB design by Synthron, published on GitHub. It is a 2-layer board measuring 280 × 120 mm, with 82 components from 20 distinct parts.

By type, the board carries 28 connectors, 20 diodes, 12 capacitors, 6 fuses, 4 resistors and 2 relays.

It belongs with the audio and displays & leds designs in this gallery.

From the project

High Power Audio Amplifier based on the Red Devil SymAsym PCBs from audiopcb.de

High Power Audio Amplifier based on the Red Devil SymAsym PCBs from audiopcb.de

For complete system schematic of a stereo amplifier, refer to OverviewSchematic.pdf**_

Zusätzliches Empfangsmodul "Up2Stream Pro V3" empfohlen.

- Black Devil Amplifier - 2x benötigt für Stereo - Extra Kühlkörper benötigt - siehe unten - Netzfilter und Softstart - designed für Stereo, für Mono in der Mitte teilen - VU-Meter - Digital-Support - Extra OLED benötigt (I2C-Schnittstelle, siehe unten)

Softstart bill of materials (BOM)

82 components, 20 distinct parts.

QtyPartRefs
4
L1
J101, J113, J123, J125
6
N
J102, J104, J114, J126, J127, J128
2
L1_F
J103, J124
2
+45VAC
J105, J116
2
-45VAC
J106, J119
4
0V
J107, J108, J120, J121
2
+63VDC
J109, J115
2
-63VDC
J110, J122
4
GND
J111, J112, J117, J118
2
3,15A
F101, F106
4
8A
F102, F103, F104, F105
8
SK104
HS101, HS102, HS103, HS104, HS105, HS106, HS107, HS108
2
FINDER-40.52
K101, K102
2
EPC B57364-S100n
TH101, TH102
8
MUR860
D101, D102, D103, D104, D117, D118, D119, D120
8
MUR3020
D105, D106, D107, D108, D111, D112, D115, D116
4
LED
D109, D110, D113, D114
4
22.000µ 40V
C101, C102, C111, C112
8
10.000µ 80V
C103, C104, C105, C106, C107, C108, C109, C110
4
4k7 1W
R101, R102, R103, R104

Softstart design files

The KiCad project lives in the Synthron/SymAsym repository on GitHub; these links point at the commit this page was built from.

Softstart: common questions

How big is the Softstart PCB?

The Softstart measures 280 × 120 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the Softstart?

82 components, from 20 distinct parts. The full bill of materials is listed on this page.

Where can I download the Softstart design files?

From the Synthron/SymAsym repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.

Can I use the Softstart design in my own project?

The repository has no license, so all rights stay with Synthron. Use it as a reference, and ask the author before reusing the design.

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