AC20-40 0.40mH 20 AWG Air Core Inductor Coil

Quick Overview

Dayton Audio 20 gauge air core inductors are a great choice and the best value for building high quality crossovers. Features fully annealed refined copper wire, perfect layer windings and air core construction to ensure no hysteresis and saturation distortions.

Product Highlights

  • Highly refined copper wire for low DCR
  • Perfect layer windings
  • Air core construction
  • 200 watts RMS
  • ±5% Tolerance

Product Manuals / Spec Sheets / Downloads


Buying Options

Dayton Audio 20 gauge air core inductors are a great choice and the best value for building high quality crossovers. Features fully annealed refined copper wire, perfect layer windings and air core construction to ensure no hysteresis and saturation distortions.

Specifications: • Inductance: 0.40 mH • Wire gauge: 20 AWG • Core type: Air • DC resistance: 0.41 ohms • Tolerance: ±5% • Power handling: 200 watts RMS • Dimensions: 1.47" Ø x 0.54" H (37.25 x 13.75 mm.)

Quality/Purity of copper used in Dayton Audio inductors: The copper used in all Dayton Audio inductors, both wire and foil based, are made with a minimum of 99.9% pure copper, providing 100% conductivity. The oxygen component of the copper is between 0.02% and 0.04%.

Technical note: To prevent crosstalk and noise position inductors in crossovers at right angles to each other.

Model NumberAC20-40
Unit of MeasureEach
UPC848791003646
Warranty - Parts5 Years
Warranty - Labor5 Years
Product Shipping Weight (lbs.)0.12
Product Weight--
Product Height 13.75 mm
Product Width37.25 mm Dia.
Product Length--
Product Depth--
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