DIY Instruments

Analog Circuits

Carnhill DI (2017) DI color box with switchable 1 or 4 input passive summing and ground lift

Carnhill DI




Waveshaper (2016) 3-bit waveshaper based on the LM3915 LED driver with 8 sliders providing dynamic control over 8 amplitude divisions of the audio input

Waveshaper




ST-01 Drum Machine (2015) Early prototype. Analog drum machine with logic gate network brain

ST-1 Prototype



Sound Sculpture

Construction/Destruction (2016, 2017) Live sound sculpture build/performance with scrap metal, wire, springs, morphing feedback using contact mics, a poweramp, a surface transducer and guitar pedals

Scrap Sound Sculpture

Scrap Sound Sculpture Setup

Scrap Sound Sculpture Destruction




6-String Trompette Marine (2016) Crank-driven stringed instrument with 3 cello strings, 3 piano strings, trompette marine-inspired steel bridges, custom tuners and an adjustable metal plate “body” with shock absorber

6-String Trompette Marine

6-String Trompette Marine

6-String Trompette Marine

6-String Trompette Marine



Suspended Rod Sculpture (2015) Rod sculpture with motorized, articulated beaters and interference rods

Suspended Rod Sculpture

Suspended Rod Sculpture

Suspended Rod Sculpture

Suspended Rod Sculpture



Spring Guitar (2015) Spring guitar with asymmetrical detuning mechanism and interference cams

Spring Guitar

Spring Guitar

Spring Guitar

Spring Guitar




Le Corbusier Plates (2010) Suspended steel plate sculpture performed with contact mics, inspired by the late architectural structures of Le Corbusier

Le Corbusier Plates 1

Le Corbusier Plates 2

Le Corbusier Plates 3






Spectral Feedback Harp (2009) 9 strings strung through a wood structure, each with a dedicated feedback circuit, consisting of a hacked relay electromagnetic pickup, a power amp circuit and a small speaker, inspired by Horaţiu Rădulescu’s 4th String Quartet for nine string quartets

Spectral Feedback Harp 1

Spectral Feedback Harp 2

Spectral Feedback Harp 3

Spectral Feedback Harp 4




Rod Sculpture (2009) Rods welded to a suspended metal plate with a hidden reverberating spring, to be performed with contact mics

Rod Sculpture

Rod Sculpture 2




Spring Reverb Steel Cello (2009) Steel plate with a spring reverb-inspired module suspended by music wire, to be performed with contact mics, deemed “steel cello” as a nod to Robert Rutman’s original design

Spring Reverb Steel Cello 1

Spring Reverb Steel Cello 2




Record Player (2008) Record player made with steel rods and washers, springs, a speaker, a dressmakers pin, 2 motors, a wheel, a French pump (the turntable), doll heads, a water siphon (red cylinders under doll heads), 2 microswitches and a DIY poweramp

Record Player

Record Player

Record Player

Record Player

Record Player




Stringed Instrument (2008) 5-stringed instrument with cello strings, crank shaft, motorized, wooden, wheel “bows,” and guitar tuners and pickups (shown here in various stages of development)

Stringed Instrument

Stringed Instrument

Stringed Instrument

Stringed Instrument

Stringed Instrument






FM Toy (2008) 3-player FM toy with 3 squarewave oscillators, with copper body contacts and plastic funnels

FM Toy

FM Toy




ST-303 (2007) Synthesizer sequencer with 16 square-wave oscillators and an envelope filter/lowpass filter

ST-303

ST-303

ST-303




Cymbal Sculpture (2007) Hand-made cymbals resonated with motorized rods, miced and amplified by preamps and poweramps, which resonate smaller cymbals via piezo disks

Cymbal Sculpture 1

Cymbal Sculpture





Bent Instruments

Speak and Spell (2007) Circuit bent Speak and Spell with 3 bend switches, a loop switch, a detune switch and knob, and a kill switch

SpeakandSpell1

SpeakandSpell2



Controllers

6-Pushbutton Controllers (2007) a collaboration with Chris Keller, 4 controllers built with PIC microcontrollers using serial protocol via USB connection, with on/off switch

Controller3

Controller2