SoundX
About the SoundX PCB
SoundX is an open source PCB design by SukkoPera, published on GitHub. It is a 2-layer board measuring 60.8 × 100 mm, with 44 components from 27 distinct parts.
Other key parts include the GAL20V8, MC6850, YM3526, 6N138 and 74HCT74. By type, the board carries 15 capacitors, 12 resistors, 7 ICs, 3 connectors, 3 inductors and 2 crystals.
It belongs with the retro computing and audio designs in this gallery.
From the project
An AdLib card for your Commodore 16/116/+4!
SoundX is an Open Hardware sound card for the Commodore 16, 116 and Plus/4 home computers based on the Yamaha OPL/OPL-II chip.
While it didn't enjoy much success when it was released on the C64, since it was not that much superior to the built-in SID (if superior at all...), it would have certainly been much more successful if it had been targeted at the Commodore 16, 116 and Plus/4. In fact, it is basically the equivalent of an AdLib), an audio card for the PCs of the time, based on the YM3526 chip from Yamaha (also known as OPL), which is exponentially better than the TED as a sound chip…
Main components on the SoundX
SoundX bill of materials (BOM)
44 components, 27 distinct parts.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | GAL20V8 | DIP-24_W7.62mm_Socket_LongPads | U1 |
| 1 | MC6850 | DIP-24_W15.24mm_Socket_LongPads | U2 |
| 1 | YM3526 | DIP-24_W15.24mm_Socket_LongPads | U3 |
| 1 | 6N138 | DIP-8_W7.62mm_Socket_LongPads | U4 |
| 1 | 74HCT74 | DIP-14_W7.62mm_Socket_LongPads | U5 |
| 1 | YM3014 | DIP-8_W7.62mm_Socket_LongPads | U6 |
| 1 | LM324 | DIP-14_W7.62mm_Socket_LongPads | U7 |
| 1 | 3.579545 MHz | Oscillator_DIP-8 | X1 |
| 1 | 500 kHz | Oscillator_DIP-8 | X2 |
| 1 | AUDIO_OUT | AudioJack_SJ1-3525N | CN2 |
| 1 | CONN_MIDI_IN | DIN5 | CN3 |
| 1 | CONN_MIDI_OUT | DIN5 | CN4 |
| 1 | 47k | Pot_Bourns_3306P | RV1 |
| 1 | 1n4148 | D_DO-35_SOD27_P2.54mm_Vertical_KathodeUp | D1 |
| 3 | FERRITE | L_Radial_D6.0mm_P4.00mm | FB1, FB2, FB3 |
| 3 | 10u | CP_Radial_D5.0mm_P2.00mm | C1, C5, C15 |
| 8 | 100n | C_Disc_D7.0mm_W2.5mm_P5.00mm | C2, C3, C7, C9, C10, C11, C12, C14 |
| 1 | 10n | C_Disc_D7.0mm_W2.5mm_P5.00mm | C4 |
| 1 | 470p | C_Disc_D7.0mm_W2.5mm_P5.00mm | C6 |
| 1 | 100u | CP_Radial_D6.3mm_P2.50mm | C8 |
Show 7 more
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | 220p | C_Disc_D7.0mm_W2.5mm_P5.00mm | C13 |
| 2 | 47 | R_Axial_DIN0207_L6.3mm_D2.5mm_P2.54mm_Vertical | R2, R7 |
| 2 | 33k | R_Axial_DIN0207_L6.3mm_D2.5mm_P2.54mm_Vertical | R3, R4 |
| 1 | 15k | R_Axial_DIN0207_L6.3mm_D2.5mm_P2.54mm_Vertical | R5 |
| 4 | 220 | R_Axial_DIN0207_L6.3mm_D2.5mm_P2.54mm_Vertical | R8, R10, R11, R12 |
| 2 | 4.7k | R_Axial_DIN0207_L6.3mm_D2.5mm_P2.54mm_Vertical | R9, R15 |
| 1 | 10k | R_Axial_DIN0207_L6.3mm_D2.5mm_P2.54mm_Vertical | R16 |
SoundX design files
The KiCad project lives in the SukkoPera/SoundX repository on GitHub; these links point at the commit this page was built from.
- LayoutSoundX.kicad_pcb
- SchematicSoundX.kicad_sch
SoundX: common questions
How big is the SoundX PCB?
The SoundX measures 60.8 × 100 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the SoundX?
44 components, from 27 distinct parts. The full bill of materials is listed on this page.
Where can I download the SoundX design files?
From the SukkoPera/SoundX repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.
Can I use the SoundX design in my own project?
The repository has no license, so all rights stay with SukkoPera. Use it as a reference, and ask the author before reusing the design.
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