Fishman's Fluence Modern 6-String Humbucker represents a fundamental rethink of active pickup design, combining three selectable tonal voices within a single unit that drops into any standard humbucker cavity. The technology centres on the Fluence Core–a patented architecture delivering consistent musicality across alnico and ceramic variants without the noise floor compromises that plague passive wire-wound designs, even under high-gain and extended cable runs.
The alnico version peaks at 650 Hz (Voice 1), 420 Hz and 8 kHz (Voice 2), and 4.7 kHz (Voice 3), while the ceramic model shifts to 630 Hz, 1.8 kHz, and 4.5 kHz respectively. Both configurations use Alnico V or Ceramic VIII magnetic material in a bar-magnet blade circuit, drawing 2.6–2.7 mA at 9V with up to 200 hours of battery life per set. Active circuitry maintains output impedance at 2k ohms, ensuring articulate dynamics across all three voices without the inductance-related tonal compression found in passive units. Installation requires standard 25k potentiometers and includes all necessary hardware for most humbucker-equipped guitars.
Players can pair an alnico neck pickup with a ceramic bridge unit to access six distinct voices within one guitar, or select voices individually via toggle switching. The optional rechargeable lithium-ion battery pack extends runtime to weeks rather than hours, charging directly on-guitar without requiring removal. This flexibility suits touring performers, studio engineers exploring tonal possibilities, and genre-agnostic players seeking growling aggression and crystalline clarity from a single pickup set.
Features
- Multi-Voice technology: three selectable, musically complementary voices per pickup
- Alnico option: 650 Hz, 420 Hz–8 kHz, 4.7 kHz peak frequencies across voices
- Ceramic option: 630 Hz, 1.8 kHz, 4.5 kHz peak frequencies across voices
- Active electronics eliminate noise even with long cable runs and high-gain settings
- Battery runtime: up to 200 hours for the set on standard 9-volt alkaline
- Output impedance: 2k ohms, current draw 2.6–2.7 mA at 9V
- Drop-in humbucker replacement with standard 25k potentiometers included
- Optional rechargeable lithium-ion pack extends playing time to weeks



