The Mundorf BL71-1,8 is a 1.8 mH MCoil BL71 air-core baked varnish coil with ±2% tolerance, 1.22 Ohm DC resistance and a 21 AWG OFC copper SolidCore conductor.
Highlights of the Mundorf BL71-1,8
- 1.8 mH inductance with ±2% tolerance
- 1.22 Ohm DC resistance
- Air-core coil construction
- OFC copper SolidCore conductor
- Baked winding fixation for a stable coil body
Product details Mundorf BL71-1,8
Mundorf BL71-1,8 1.8 mH Air-Core Baked Varnish Coil 1.22 Ohm
The Mundorf BL71-1,8 belongs to the MCoil BL AirCore Baked Varnish range, designed as a precision inductor for passive audio filtering. With its 1.8 mH inductance and ±2% tolerance, it is a practical choice for accurate crossover components in speaker projects.
Its air-core construction uses an OFC copper SolidCore conductor, avoiding a magnetic core while maintaining a defined electrical specification. The BL71-1,8 has a DC resistance of 1.22 Ohm, making it easy to account for in crossover calculations and component matching.
The baked winding fixation keeps the coil windings secured in the finished assembly. This makes the BL71-1,8 suitable for DIY loudspeaker builders and repair work where reliable coils are required for passive filter networks.
The conductor is specified as 0.40 mm², AWG 21, with a 0.71 mm wire diameter. With compact Ø40 x H20 mm dimensions and L4020 coil body type, the BL71-1,8 fits easily into many crossover layouts.
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