Synth-Werk - Bode Barberpole Phaser SW 8101

The Synth-Werk SW 8101 Bode Barberpole Phaser is a reconstruction of one of Harald Bode's last creations — a phaser built around the principle of infinity phasing. Based on the Shepard scale (a psychoacoustic illusion of endlessly ascending or descending tones), this unit does things to sound that conventional phasers simply cannot. Resonance peaks glide upward or downward without ever reaching a ceiling or floor. Deep, immersive, otherworldly. Synth-Werk rebuilt this device from Bode's original archive — circuit diagrams, diary entries, design notes — in collaboration with the ZKM in Karlsruhe. Only one original unit is known to exist, owned by Bode's son Peer. The SW 8101 is the version Harald Bode envisioned but never commercially released, now brought to life.

The panel hosts a comb filter with selectable peaks (3 to 9), multiple movement modes — standard up/down phasing, infinite up, infinite down, and freeze — plus two LFOs for layered modulation. LFO-2 can be swapped out for an external control source, and a dedicated Fuzz circuit adds harmonics to signals that might otherwise be too tame for the phaser to really grab onto. Stereo outputs with individual Mix controls, a feedback path, and panning round out the front. On the rear: send/return jacks for both the feedback loop and the audio path, meaning you can insert external processors — a Bode Frequency Shifter, a VCA, whatever you fancy — directly into the signal chain. This is where it starts to become what Bode himself called a "Klangumformer": a sound transformer. If you think you know the sound of a phaser, you need to listen to the Barberpole Phaser to understand the possibilities of a so-called "Klangumformer”.

Harald Bode's contributions to electronic music are vast — from the Warbo Formant Organ in 1937 to the modular synthesis concepts that influenced Moog and Buchla. The Barberpole Phaser was his final statement, and it sounds like it. Huge, swirling, psychedelic, and precise in equal measure. A truly singular piece of equipment for those who take their sound processing seriously.

Features:

• Infinity phasing (Shepard scale-based), both ascending and descending
• 9 comb filter phase stages with selectable number of peaks (3–9)
• Movement modes: Up & Down, Infinite Up, Infinite Down, Freeze
• Width control (Max/Med/Min) for Up & Down mode
• Two internal LFOs with Amount and Rate controls
• LFO-2 replaceable via external Control Input
• UP/DOWN & FLIP modulation with triangle or square waveshape selection
• Stereo output (Out A / Out B) with individual Mix A and Mix B controls
• Stereo panning function via LFO-1
• Feedback control with rear-panel Send/Return loop
• Additional rear-panel Audio Send/Return for inserting external processors
• Built-in Fuzz circuit with consistent harmonic distortion over 60 dB range
• V-Trigger Input and Output on the rear panel
• Hi/Lo output level switch (+11.5 dBm / –8.5 dBm)
• Input level control with Overload LED indication
• Reconstructed from Harald Bode's original archive in collaboration with ZKM Karlsruhe