Description
Bubblesound uLFO, $199!
The Bubblesound uLFO is a highly versatile low-frequency oscillator module for Eurorack synthesizers. Designed with analog circuitry, it excels in providing a wide range of modulation options, from ultra-slow LFO rates to audio-rate frequencies, making it suitable for both modulation and sound generation tasks.
Specifications
- Type: Analog low-frequency oscillator
- Width: 14 HP
- Depth: Skiff-friendly, approximately 40mm
- Waveforms:
- Sine
- Triangle
- Sawtooth
- Square
- Pulse (with variable width)
- Frequency Range: From sub-1Hz ultra-slow LFO cycles to audio rates (approximately 1kHz)
- Inputs/Outputs:
- CV inputs for frequency modulation
- Waveform outputs for each shape
- PWM input for pulse width modulation
- Controls:
- Frequency knob with fine-tuning
- Pulse width knob for manual PWM adjustment
- CV attenuation for frequency modulation depth
- Power Requirements: +12V (60mA), -12V (60mA)
Design Features
- Wide Frequency Range: Operates as both a traditional LFO and a sound generator at higher frequencies.
- Waveform Variety: Outputs five different waveforms simultaneously, providing extensive modulation possibilities.
- PWM Capabilities: Includes a dedicated input for modulating the pulse width of the square wave, adding dynamic variation.
- Analog Warmth: Delivers smooth, natural waveforms typical of analog circuitry.
Tone and Application
The uLFO is highly versatile, capable of ultra-slow modulations for evolving patches or audio-rate oscillations for FM synthesis and sound design. It is ideal for modulating filters, oscillators, and effects, and can even serve as a primary sound source in experimental setups.
Collectability and Market Value
As a well-regarded module in the Eurorack community, the Bubblesound uLFO is appreciated for its high-quality build and analog warmth. While no longer in production, it remains a valued tool for modular enthusiasts, and its availability on the used market can vary based on demand.
