Musical Instruments parts lists
BOMwiki lists 50 products in musical instruments, with 22,378 parts counted across their recorded bills of materials. The highest recorded part count is the pipe organ at 12,901 parts across 8 top-level items; the lowest is the handpan at 28. Open a product to explore its recorded components and their roles. Counts describe the current BOMs, not a complete inventory of every product variant.
50 products
Accordion
A piano accordion: bellows pump air past steel reeds while a treble keyboard and a Stradella bass board open the valves that voice them.
982 parts · 10 BOM lines
Acoustic Guitar
A steel-string dreadnought acoustic guitar with a spruce soundboard and X-braced body.
103 parts · 5 BOM lines
Alto Saxophone
A conical brass woodwind in E-flat: a single reed on the mouthpiece excites the air column, and around 23 pad-bearing keys open or close 25 tone holes to set the pitch.
240 parts · 7 BOM lines
Autoharp
A plucked-string instrument with a mechanical chord bar system that dampens unwanted strings, allowing single-hand chording.
238 parts · 7 BOM lines
Banjo
A five-string resonator banjo: steel strings drive a bridge standing on a tensioned Mylar head stretched over a bronze tone ring, with a resonator dish reflecting the sound forward.
132 parts · 6 BOM lines
Bass Guitar
A solid-body four-string electric bass: a bolt-on maple neck, magnetic pickups, and passive controls feeding an output jack.
92 parts · 10 BOM lines
Bb Trumpet
A lacquered Bb trumpet with three piston valves, tuning slides, and a removable cup mouthpiece.
74 parts · 13 BOM lines
Carillon
A bell tower instrument with 23–77 bronze tuned bells struck by mechanically driven clappers, controlled by a baton keyboard.
419 parts · 7 BOM lines
Celesta
A keyboard percussion instrument with tuned steel plates struck by hammers, producing bright bell-like tones.
421 parts · 6 BOM lines
Cello
A full-size acoustic cello: a carved spruce-and-maple body, an ebony-faced neck, four strings, and an adjustable endpin.
54 parts · 8 BOM lines
Clarinet
A single-reed woodwind in B-flat with a cylindrical bore, sounding through a beating cane reed and overblowing at the twelfth thanks to its closed-pipe acoustics.
67 parts · 5 BOM lines
Concert Flute
A Boehm-system transverse flute in C: an air jet across the embouchure hole drives a 19 mm cylindrical bore whose 16 tone holes are valved by interlinked keys.
185 parts · 6 BOM lines
Concert Pedal Harp
A 47-string concert harp whose seven foot pedals rotate disc forks in the neck to shorten each string by a semitone, giving a fully chromatic range from a diatonic string set.
554 parts · 7 BOM lines
Concertina
A free-reed aerophone with a hexagonal or square bellows, button keyboard, and internal reed chambers producing pitched melody and bass notes.
241 parts · 6 BOM lines
Diatonic Harmonica
A ten-hole Richter-tuned free-reed instrument: breath through each chamber drives one of two brass reeds, blow or draw, giving twenty notes from a 10 cm body.
74 parts · 6 BOM lines
Digital Piano
An 88-key digital piano with a graded hammer action, sampled sound engine and built-in amplified speakers.
689 parts · 12 BOM lines
Drum Kit
A five-piece acoustic drum kit: bass drum, snare, two rack toms, floor tom, cymbals, and supporting hardware.
226 parts · 12 BOM lines
Drum Machine
Standalone percussion instrument with pad matrix, sequencer engine, and sample or synthesis-based drum voices, generating rhythm tracks without external instruments.
95 parts · 6 BOM lines
Electric Guitar
A solid-body electric guitar with three single-coil pickups and a tremolo bridge.
133 parts · 6 BOM lines
Electronic Drum Kit
A digital drum set: mesh-head pads and cymbal triggers feeding a sound module that plays sampled drum sounds, all mounted on a folding rack.
336 parts · 11 BOM lines
Erhu
A two-stringed vertical bowed fiddle with a resonator and skin face, where the bow passes between the strings, played without fingerboard or frets.
29 parts · 6 BOM lines
French Horn
A coiled brass instrument with about 3.7 m of mostly conical tubing (double horn in F/B-flat), played left-handed through rotary valves with the right hand in the bell.
67 parts · 6 BOM lines
Glass Armonica
A friction-driven instrument with nested glass bowls on a rotating spindle, played by touching the rims with moistened fingertips.
81 parts · 6 BOM lines
Glockenspiel
A percussion instrument consisting of tuned steel bars mounted on a frame with individual resonator tubes underneath, struck with mallets to produce bright metallic pitches.
142 parts · 5 BOM lines
Great Highland Bagpipes
A woodwind instrument consisting of a leather bag, four reeded pipes (one chanter and three drones), and a blowpipe, producing melodic and harmonic sound by forcing air through the reeds.
69 parts · 6 BOM lines
Guitar Amplifier
A combo guitar amplifier: a 12-inch speaker, a modeling/preamp board, a Class-AB power amp section, a regulated power supply with a mains transformer, a control panel with footswitchable channels and an effects/reverb section, rear FX-loop/line-out/USB I/O, and an external two-button footswitch, built into a tolex-covered plywood cabinet.
439 parts · 11 BOM lines
Guitar Multi-Effects Processor
A floor unit that replaces a pedalboard and amplifier with DSP: amp modeling, cabinet simulation, and chains of effects computed in real time at sub-3 ms latency, controlled by footswitches and an expression pedal.
70 parts · 8 BOM lines
Handpan
A percussion instrument made from two hydroformed steel hemispheres with tuned note fields, played by striking with hands and mallets.
28 parts · 6 BOM lines
Harpsichord
A plucked-string keyboard instrument with jacks containing plectra that pluck strings when keys are pressed, with multiple registers for tonal variety.
617 parts · 8 BOM lines
Hurdy-Gurdy
A mechanical string instrument driven by a hand-crank-turned rosined wheel that vibrates melody and drone strings, with a keyboard selecting pitches.
100 parts · 7 BOM lines
Kalimba
A plucked percussive instrument with metal or bamboo tines mounted on a bridge on a wooden resonator, played by thumb-striking to produce melodic pitches.
41 parts · 5 BOM lines
Mandolin
An eight-string instrument tuned in four unison pairs (G3-D4-A4-E5), with a carved arched top and back that work like a violin body under a floating bridge.
95 parts · 7 BOM lines
Marimba
A pitched mallet percussion instrument: tuned wooden bars suspended over resonator tubes on a wheeled height-adjustable frame.
381 parts · 8 BOM lines
Mellotron
An electromechanical keyboard instrument replaying tape loops of orchestral instruments via pinch rollers and playback heads, triggered by keys.
485 parts · 8 BOM lines
MIDI Keyboard Controller
Velocity-sensitive keyboard with pads, knobs, and faders, offering MIDI note and continuous control over synthesizers, DAWs, and sampler software.
207 parts · 6 BOM lines
Modular Synthesizer System
Eurorack-format case with power supply, containing voltage-controlled oscillators, filters, envelopes, and control modules patchable for custom sound design.
61 parts · 4 BOM lines
Nyckelharpa
A Swedish bowed string instrument with wooden keys pressing tangents against strings, providing drone and sympathetic resonance.
76 parts · 8 BOM lines
Oboe
A double-reed woodwind in C with a narrow conical bore, sounded by two beating cane blades and carrying the most mechanically complex keywork of the standard woodwinds.
99 parts · 4 BOM lines
Pipe Organ
A keyboard wind instrument in which pressurized air from a blower is admitted through valves in a windchest to ranks of tuned flue and reed pipes, selected by stops at the console.
12,901 parts · 8 BOM lines
Player Piano
A mechanical piano that plays pre-recorded performances by decoding perforations in a paper roll through pneumatic solenoids.
33 parts · 7 BOM lines
Portative Pipe Organ
A portable medieval and renaissance pipe organ with 12–24 flue pipes mounted on a windchest, driven by dual bellows and controlled by a small keyboard.
67 parts · 6 BOM lines
Sitar
A plucked stringed instrument with a hollow gourd resonator, long fretted neck, and multiple main and sympathetic strings, producing resonant tones with microtonal slides.
94 parts · 7 BOM lines
Steelpan
A pitched percussion instrument made from a flattened steel drum (barrel) with a sunken playing surface and individual note areas, struck with mallets to produce melody and harmony.
57 parts · 7 BOM lines
Synthesizer
A 61-key analog/digital keyboard synthesizer with velocity-sensitive keys, DSP voice engine and an LCD control panel.
425 parts · 10 BOM lines
Tabla Set
A percussion pair of tuned hand drums, the dayan (treble, wood) and bayan (bass, metal), with tensioned heads and tuning blocks, played with bare hands to produce pitched rhythmic patterns.
31 parts · 6 BOM lines
Theremin
An electronic instrument played without touch: hand capacitance near two antennas detunes heterodyne oscillators to control pitch and volume continuously.
47 parts · 7 BOM lines
Timpani
A pedal-tuned kettledrum: a mylar head stretched over a copper bowl, tensioned uniformly by a counterhoop and retuned across a sixth by a foot pedal.
83 parts · 7 BOM lines
Tuba
The largest and lowest of the brass instruments, with about 5.5 m of wide conical tubing (BB-flat contrabass) coiled upright, played through piston or rotary valves.
80 parts · 6 BOM lines
Ukulele
A four-string fretted instrument of Hawaiian origin, tuned G4-C4-E4-A4, with a small hollow wooden body and nylon or fluorocarbon strings.
71 parts · 6 BOM lines
Violin
A full-size acoustic violin with bow, built from carved tonewoods and fitted with four strings.
47 parts · 9 BOM lines
Shared component references 12
Components ranked by how many of the 50 recorded product BOMs reference the same page, directly or through a sub-assembly. A shared reference does not establish replacement-part compatibility.
- Fastener Set in 28 of 50 productsBolts, nuts, and washers.
- Coil Spring in 12 of 50 productsHelical spring of round steel wire that stores energy in compression or extension, used for suspension, return force, and preload.
- Connector in 9 of 50 productsMating plug-and-socket pair that joins two lengths of wiring or a cable to a board so a circuit can be assembled, serviced, and separated without soldering.
- SMD Passive (R/C/L) in 9 of 50 productsSurface-mount resistors, capacitors, and inductors, typically in 0402 to 1206 packages, that set voltages, filter noise, and time signals on a circuit board.
- Wire Bundle in 8 of 50 productsGroup of insulated conductors cut to length, terminated, and bound together to carry power and signals between the assemblies of a machine.
- Bare PCB in 7 of 50 productsUnpopulated printed circuit board: copper traces etched on an FR-4 glass-epoxy laminate that carry current between the components later soldered to it.
- Power Supply in 7 of 50 productsUnit that converts mains or battery input into the regulated DC voltages a machine's electronics and actuators need.
- Microcontroller in 6 of 50 productsSingle-chip microcontroller combining a processor core, flash memory, RAM, and peripherals such as timers, ADCs, and serial ports to run the device's control firmware.
- LCD Panel in 5 of 50 productsLiquid-crystal display module with backlight and driver electronics that shows the machine's readouts, menus, and status to the operator.
- Ball Bearing in 4 of 50 productsDeep-groove radial ball bearing.
- Compute SoC Module in 4 of 50 productsSystem-on-chip compute module carrying the application processor, memory, and storage that runs the device's operating system and user interface.
- Helical Gear Pair in 3 of 50 productsTwo meshing helical gears forming one reduction stage that steps torque up and speed down between parallel shafts with quiet, continuous tooth contact.