FerroLabs' LiquidAudio ferrofluids are specifically designed for the loudspeaker industry. Unique heat-transfer properties of LiquidAudio contribute to the increase of power capacity (for 100%) of present speaker models and to the downsizing of newly-designed ones. High thermal stability of a LiquidAudio carrier fluid prevents ferrofluid from drying even at high (more than 130蚓) temperatures, thus extending speaker life time. Viscous properties of LiquidAudio provide smoothing of gain-frequency characteristics and reduce gain compression.
The unique ability of ferrofluid to handle wide temperature ranges (-70蚓 up to +150蚓) and tolerate high humidity ensures excellent performance in virtually every environment.
The unique ability of ferrofluid to handle wide temperature ranges (-70蚓 up to +150蚓) and tolerate high humidity ensures excellent performance in virtually every environment.
Specifications
- FLA 001
- saturation magnetization, kA/m - 7.00 - 15.00;
- viscosity mPa s at (27蚓) - 250...400;
- working temperature range,蚓 - -70...+150;
- critical temperature,蚓 - + 250;
- coefficient of thermal conductivity (at 38蚓) - 150 mWt/m K;
- evaporation rate - 1.0 10-7 g sm-2 c-1;
- carrier fluid - siloxane;
- appearance - brown-black fluid.FLA 002
- saturation magnetization, kA/m - 15.00 - 25.00;
- viscosity mPa s at (27蚓) - 370...750 (can be increased up to 5000 mPa);
- working temperature range,蚓 - -70...+150;
- critical temperature,蚓 - + 250;
- coefficient of thermal conductivity (at 38蚓) - 150 mWt/m K;
- evaporation rate - 1.0 10-7 g sm-2 c-1;
- carrier fluid - siloxane;
- appearance - brown-black fluid.FLA 003
- saturation magnetization, kA/m - 25.00 - 50.00;
- viscosity mPa s at (27蚓) - 80...700;
- working temperature range,蚓 - -70...+150;
- critical temperature,蚓 - + 200;
- coefficient of thermal conductivity (at 38蚓) - 150 mWt/m K;
- evaporation rate - 1.0 10-7 g sm-2 c-1;
- carrier fluid - siloxane;
- appearance - brown-black fluid.
Features
- Voice Coil Centering
- Magnetic fluid, which is placed in the gap surrounding the voice coil, provides a restoring force.Damping
- Damping is achieved by the resistance provided to the moving coil. Variations in viscosity affect the level of damping.Cooling
- The operating temperature of the voice coil lowers due to the higher thermal conductivity of magnetic fluid in comparison to air conductivity, which reduces the risk of speaker failure.Power Capacity
- Lower operating temperature also increases power capacity.Coil and Magnet Size
- LiquidAudio magnetic fluids power handling capabilities result in developing drivers with smaller coils and magnets.
Main Products
ferrofluids, ferrofluid-based seals