Synthesizer Product
A 61-key analog/digital keyboard synthesizer with velocity-sensitive keys, DSP voice engine and an LCD control panel. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.
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Bill of materials
10 top-level lines · 63 rows shown · 425 parts total · indented to 3 levels| # | Item / sub-assembly | Part no. | Qty/assy | Ext. qty | Parts | Type |
|---|---|---|---|---|---|---|
| 1 | Chassis Assembly 5 parts | synthesizer-chassis | 1× | 1 | 9 | assembly |
| 1.1 | Case Shell | synthesizer-case-shell | 1× | 1 | — | part |
| 1.2 | Top Panel | synthesizer-top-panel | 1× | 1 | — | part |
| 1.3 | Wooden End Cheek | synthesizer-end-cheek | 2× | 2 | — | part |
| 1.4 | Rubber Foot | synthesizer-rubber-foot | 4× | 4 | — | part |
| 1.5 | Fastener Set | fastener-set | 1× | 1 | — | part |
| 2 | Keyboard Assembly 6 parts | synthesizer-keyboard | 1× | 1 | 250 | assembly |
| 2.1 | Synth-Action Key | synthesizer-key | 61× | 61 | — | part |
| 2.2 | Key Frame | synthesizer-key-frame | 1× | 1 | — | part |
| 2.3 | Rubber Contact Strip | synthesizer-rubber-contact | 61× | 61 | — | part |
| 2.4 | Coil Spring | coil-spring | 61× | 61 | — | part |
| 2.5 | Key Scan Board 4 parts | synthesizer-key-scan-board | 1× | 1 | 65 | assembly |
| 2.5.1 | Bare PCB | pcb-bare | 1× | 1 | — | part |
| 2.5.2 | SMD Passive (R/C/L) | smd-passives | 1× | 1 | — | part |
| 2.5.3 | Scan Diode | synthesizer-diode | 61× | 61 | — | part |
| 2.5.4 | Connector | connector | 2× | 2 | — | part |
| 2.6 | Fastener Set | fastener-set | 1× | 1 | — | part |
| 3 | Control Panel Assembly 9 parts | synthesizer-control-panel | 1× | 1 | 108 | assembly |
| 3.1 | Potentiometer | synthesizer-potentiometer | 24× | 24 | — | part |
| 3.2 | Control Knob | synthesizer-knob | 24× | 24 | — | part |
| 3.3 | Slider Fader | synthesizer-fader | 9× | 9 | — | part |
| 3.4 | Tactile Button | synthesizer-button | 32× | 32 | — | part |
| 3.5 | Panel Switch | synthesizer-switch | 6× | 6 | — | part |
| 3.6 | Pitch Wheel 3 parts | synthesizer-pitch-wheel | 1× | 1 | 4 | assembly |
| 3.6.1 | Wheel Body | synthesizer-wheel-body | 1× | 1 | — | part |
| 3.6.2 | Wheel Potentiometer | synthesizer-wheel-pot | 1× | 1 | — | part |
| 3.6.3 | Coil Spring | coil-spring | 2× | 2 | — | part |
| 3.7 | Modulation Wheel 2 parts | synthesizer-mod-wheel | 1× | 1 | 2 | assembly |
| 3.7.1 | Wheel Body | synthesizer-wheel-body | 1× | 1 | — | part |
| 3.7.2 | Wheel Potentiometer | synthesizer-wheel-pot | 1× | 1 | — | part |
| 3.8 | Panel Controller Board 4 parts | synthesizer-panel-board | 1× | 1 | 6 | assembly |
| 3.8.1 | Bare PCB | pcb-bare | 1× | 1 | — | part |
| 3.8.2 | Microcontroller | mcu | 1× | 1 | — | part |
| 3.8.3 | SMD Passive (R/C/L) | smd-passives | 1× | 1 | — | part |
| 3.8.4 | Connector | connector | 3× | 3 | — | part |
| 3.9 | Fastener Set | fastener-set | 1× | 1 | — | part |
| 4 | Voice Board Assembly 10 parts | synthesizer-voice-board | 1× | 1 | 35 | assembly |
| 4.1 | Bare PCB | pcb-bare | 1× | 1 | — | part |
| 4.2 | Compute SoC Module | soc-module | 1× | 1 | — | part |
| 4.3 | Microcontroller | mcu | 1× | 1 | — | part |
| 4.4 | VCO Chip | synthesizer-vco-chip | 8× | 8 | — | part |
| 4.5 | VCF Chip | synthesizer-vcf-chip | 8× | 8 | — | part |
| 4.6 | VCA Chip | synthesizer-vca-chip | 8× | 8 | — | part |
| 4.7 | Audio DAC | synthesizer-dac | 2× | 2 | — | part |
| 4.8 | Flash Memory | synthesizer-flash | 1× | 1 | — | part |
| 4.9 | SMD Passive (R/C/L) | smd-passives | 1× | 1 | — | part |
| 4.10 | Connector | connector | 4× | 4 | — | part |
| 5 | Audio Output Board 5 parts | synthesizer-audio-board | 1× | 1 | 11 | assembly |
| 5.1 | Bare PCB | pcb-bare | 1× | 1 | — | part |
| 5.2 | Headphone Amplifier | synthesizer-headphone-amp | 1× | 1 | — | part |
| 5.3 | Audio Jack | synthesizer-audio-jack | 4× | 4 | — | part |
| 5.4 | Connector | connector | 4× | 4 | — | part |
| 5.5 | SMD Passive (R/C/L) | smd-passives | 1× | 1 | — | part |
| 6 | Display Assembly 5 parts | synthesizer-display | 1× | 1 | 5 | assembly |
| 6.1 | LCD Panel | lcd-panel | 1× | 1 | — | part |
| 6.2 | Bare PCB | pcb-bare | 1× | 1 | — | part |
| 6.3 | SMD Passive (R/C/L) | smd-passives | 1× | 1 | — | part |
| 6.4 | Display Bezel | synthesizer-bezel | 1× | 1 | — | part |
| 6.5 | Connector | connector | 1× | 1 | — | part |
| 7 | Power Supply | power-supply | 1× | 1 | — | part |
| 8 | Wire Bundle | wire-bundle | 1× | 1 | — | part |
| 9 | Ribbon Cable | synthesizer-ribbon-cable | 4× | 4 | — | part |
| 10 | Fastener Set | fastener-set | 1× | 1 | — | part |
Sourcing — likely vendors
Companies that make this · indicative price $50–$5k · MOQ & lead are typical| Vendor | HQ | Specialty | MOQ | Lead time |
|---|---|---|---|---|
| yamaha.com ↗ | Hamamatsu, JP | Audio & instruments | 200 units | 8–14 wks |
| 🇺🇸Fender fender.com ↗ | Los Angeles, US | Guitars & amps | 200 units | 8–14 wks |
| 🇺🇸Gibson gibson.com ↗ | Nashville, US | Guitars | 200 units | 8–14 wks |
| 🇯🇵Roland roland.com ↗ | Hamamatsu, JP | Electronic instruments | 200 units | 8–14 wks |
| steinway.com ↗ | New York, US | Pianos | 200 units | 8–14 wks |