xaoc-devices/batumi

Batumi

Xaoc Devices

Fully voltage-controlled quadruple digital low frequency oscillator with four identical channels, free/quadrature/phase/divide sync modes, assignable waveform outputs, zoom mode for precise frequency setting, and reverse power protection.731

Capabilities 1

LFOlfo
Four independent voltage-controlled digital LFO channels with sine, square, and assignable waveform outputs. Free, quadrature, phase, and divide sync modes. Frequency range from ~28 hours to 500Hz.731

Jacks 20 — 8 in / 12 out

NameSignalVoltageDescription
Inputs (8)
CH1 frq/ph/divcv-5V to 5V731
CH1 reset/synctriggerUser-defined trigger input; functions as cycle reset or external tempo sync depending on jumper setting.731
CH2 frq/ph/divcv-5V to 5V731
CH2 reset/synctriggerIn synced modes: holds (pauses) all LFOs when triggered.731
CH3 frq/ph/divcv-5V to 5V731
CH3 reset/synctriggerIn synced modes: reverses the direction of the waveform when triggered.731
CH4 frq/ph/divcv-5V to 5V731
CH4 reset/synctriggerIn synced modes: selects the next assignable waveform when triggered.731
Outputs (12)
CH1 saw/asgncv-5V to 5V731
CH1 sinecv-5V to 5V731
CH1 squarecv-5V to 5V731
CH2 saw/asgncv-5V to 5V731
CH2 sinecv-5V to 5V731
CH2 squarecv-5V to 5V731
CH3 saw/asgncv-5V to 5V731
CH3 sinecv-5V to 5V731
CH3 squarecv-5V to 5V731
CH4 saw/asgncv-5V to 5V731
CH4 sinecv-5V to 5V731
CH4 squarecv-5V to 5V731

Parameters 6

NameTypeRangeBehavior
CH1 Sliderfader0.01Hz – 100HzIn free mode, sets the channel's own frequency (0.01Hz–100Hz). In quad mode (sliders 2–4), controls amplitude. In phase mode (sliders 2–4), sets phase shift. In divide mode (sliders 2–4), sets the division ratio. Slider 1 acts as master frequency in non-free modes.731
CH2 Sliderfader731
CH3 Sliderfader731
CH4 Sliderfader731
LFO Sync ModebuttonCentral button cycles through FREE, QUADRATURE, PHASE, and DIVIDE modes. Each mode is indicated by a dedicated LED. Hold for one second to enter zoom mode.731
Reset/Sync Mode JumperjumperNo jumper = reset mode (trigger resets LFO cycle). Jumper present = sync mode (LFO frequency slaves to external clock or tap tempo).731

Firmware history 0 versions

No firmware history recorded.

References 2

  1. [731]
    Xaoc Batumi Operator's Manual (rev. 1974/5.3)manual
    verified 2026-05-22
  2. [732]
    Xaoc Batumi product pageproduct_page
    verified 2026-05-22