Library & Archive

Willem Twee
Studios
Library

Analog Instruments  ·  Patches  ·  Tutorials  ·  Manuals

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Welcome to Willem Twee Studios

A library of analog
patches, instruments
& sound.

Browse the complete patch archive to explore every patch, diagram, and audio example, or navigate by instrument or descriptor. Then dive into the annotated Studio 1 equipment overview below. Explore videos about the studios, or learn how to read patch diagrams in the “Learn Patch Diagrams” section.

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Select Patches by Instrument
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Select Patches by Descriptor
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Studio 1 Overview
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How to Read Patch Diagrams
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Inside the Studios
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Browse the patch archive by instrument

Instruments

Three studio's — from test & measurement equipment to the ARP2500 to classic Roland and Korg synths.

Test & Measurement
Studio 1
Test & Measurement Equipment
Explore dozens of patches for the unique set-up of Test & Measurement Equipment of Willem Twee Studios.
Analog Computer
Studio 1
Analog Computer
Discover the advanced analog computer system, perfect for precise voltage processing.
ARP 2500
Studio 2
ARP 2500
Dive into the legendary ARP 2500 modular system with its iconic matrix switches and rich oscillator tones.
ARP 2600
Studio 2
ARP 2600
Explore our pair of semi-modular ARP 2600's — patch them together for extended polyphonic possibilities.
B&K Equipment
Studio 3.1
B&K Test & Measurement
A compact version of Studio 1 featuring B&K filters, function generators, and tape recorders.
Roland Setup
Studio 3.2
Roland Setup
Pairs the iconic TR-606, TB-303, SH-101, and Juno 106. Clock them together for a ready-to-jam setup.
Monophonic Synths
Studio 3.3
Monophonic Synths
A PPG, Moog, and Korg monophonic synth with sequencer for voltage control over oscillator and filter.
Modular Setup
Studio 3.4
Modular Setup
A Synton Fenix IV from TiNRS plus one of the first modular synths — the classic EMS VCS3.
Korg Setup
Studio 3.5
Korg Setup
Various Korg 80s synths and sequencers (MS-10, MS-20, MS-50, SQ-10). Use separately or cross-patch.
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Browse by the patch archive by character

Descriptors

Explore selected patches based on their musical characteristics.

Patches are not limited to one category — a bass patch may carry rhythmic qualities, a noise patch may be harmonic.

Noise
Noise
Whooshes to harsh textures
 Harmonic
Harmonic
Tunable tonal content
 Melodic
Melodic
Lead lines & phrasing
Rhythmic
Rhythmic
Pulsing & percussive
 Bass
Bass
Deep & low-end
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Studio 1 · Interactive Map

Explore
every
instrument.

Studio 1 houses over 74 test & measurement instruments, ranging from oscillators, wave analyzers, noise generators, and function generators, to analog computers. Click any numbered marker on the interactive map to learn exactly what each unit does and how to use it.

Open Studio 1 Overview
74+
Instruments
500+
Knobs to turn
12
Oscillators
7
Function Generators
Rohde & Schwartz Oscillators×5
HP Function Generators×7
HP Word Generators×3
Selective Amplifiers / BPF×3
Hitachi Analog Computers×2
EG&G PARC Multipliers×2
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Reading guide · symbols & signal flow

How to Read
Patch Diagrams

Every symbol,
explained in detail.

The complete reading guide explains each diagram symbol using photographs of the actual instruments in Studio 1, alongside additional information about the function of each unit.

Open the reading guide
Source
Sine Wave
Source
Pulse Wave
Source
Noise
Control
CVControl Voltage
Routing
Split / Multiple
Source
FGFunction Generator
Processing
Ring Modulator
Source
WGWord Generator
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Inside the studios

Watch & Explore

Studio tours, sessions, instrument deep-dives, and videos about Willem Twee Studios created by others.

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Experience the studios in person

Book a studio

Reserve a studio at Willem Twee Studios. Access our unique instruments and spaces for your next project.

Book now