Iron Core Inductors

Quality iron core inductors begin with quality components. Our solid core inductor coils feature 99.9% pure copper while the cores use low distortion micro-thin laminated steel. All models are wound using precision layering equipment that maintains the crystalline structure of the wire and controls hysteresis tension.

The advanced design of these iron core inductors minimizes core saturation, ensuring that your speaker crossover networks deliver consistent performance even at high power levels for woofer or subwoofer circuits. They are available in multiple power ratings and inductance values so you can build accurate crossover assemblies for your next speaker project.

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ERSE 1.0mH 19 AWG Mini-Lam™ Iron Core Inductor Crossover Coil
A small iron core inductor used in passive crossover networks from ERSE.

ERSE 1.0mH 19 AWG Mini-Lam™ Iron Core Inductor Crossover Coil

$4.17
ERSE 1.0mH 18 AWG Laminated Iron Core Inductor Crossover Coil
An ERSE 1.0mH 18 AWG laminated iron core inductor for crossover networks.

ERSE 1.0mH 18 AWG Laminated Iron Core Inductor Crossover Coil

$5.85
ERSE Super Q 1.0mH 16 AWG 500W Laminated Iron Core Inductor Crossover Coil
A large ERSE 16 gauge iron core inductor used in big speakers.

ERSE Super Q 1.0mH 16 AWG 500W Laminated Iron Core Inductor Crossover Coil

$15.75
ERSE 1.5mH 19 AWG Mini-Lam™ Iron Core Inductor Crossover Coil
A small 19awg iron core inductor made by ERSE for DIY speaker networks.

ERSE 1.5mH 19 AWG Mini-Lam™ Iron Core Inductor Crossover Coil

$4.80
ERSE 1.5mH 18 AWG Laminated Iron Core Inductor Crossover Coil
An ERSE 1.5mH 18 AWG laminated iron core inductor used in DIY speaker kits.

ERSE 1.5mH 18 AWG Laminated Iron Core Inductor Crossover Coil

$6.68
ERSE Super Q 1.5mH 16 AWG 500W Laminated Iron Core Inductor Crossover Coil
A 16 gauge iron core inductor made by ERSE for DIY speakers.

ERSE Super Q 1.5mH 16 AWG 500W Laminated Iron Core Inductor Crossover Coil

$16.65
ERSE 2.0mH 19 AWG Mini-Lam™ Iron Core Inductor Crossover Coil
An 19 gauge iron core inductor made from copper wire.

ERSE 2.0mH 19 AWG Mini-Lam™ Iron Core Inductor Crossover Coil

$5.25
ERSE 2.0mH 18 AWG Laminated Iron Core Inductor Crossover Coil
An 18 gauge iron core inductor made by ERSE and used in DIY home theater speakers.

ERSE 2.0mH 18 AWG Laminated Iron Core Inductor Crossover Coil

$7.61
ERSE Super Q 2.0mH 16 AWG 500W Laminated Iron Core Inductor Crossover Coil
An image of an ERSE Super Q 2.0mH 16 AWG 500W laminated iron core inductor crossover coil.

ERSE Super Q 2.0mH 16 AWG 500W Laminated Iron Core Inductor Crossover Coil

$17.26
ERSE 2.5mH 19 AWG Mini-Lam™ Iron Core Inductor Crossover Coil
A 19awg small iron core inductor from ERSE.

ERSE 2.5mH 19 AWG Mini-Lam™ Iron Core Inductor Crossover Coil

$5.76
ERSE 2.5mH 18 AWG Laminated Iron Core Inductor Crossover Coil
A 2.5mH 18 AWG Laminated Steel I-Core Speaker Crossover Inductor Coil made by ERSE.

ERSE 2.5mH 18 AWG Laminated Iron Core Inductor Crossover Coil

$8.05
ERSE Super Q 2.5mH 16 AWG 500W Laminated Iron Core Inductor Crossover Coil
An ERSE Super Q inductor with 16 AWG wiring used for passive crossover networks.

ERSE Super Q 2.5mH 16 AWG 500W Laminated Iron Core Inductor Crossover Coil

$17.97
ERSE 3.0mH 19 AWG Mini-Lam™ Iron Core Inductor Crossover Coil
Electromagnetic ERSE coil made of high quality copper.

ERSE 3.0mH 19 AWG Mini-Lam™ Iron Core Inductor Crossover Coil

$6.25
ERSE 3.0mH 18 AWG Laminated Iron Core Inductor Crossover Coil
An ERSE 3.0mH 18 AWG Laminated Steel I-Core Speaker Crossover Inductor Coil.

ERSE 3.0mH 18 AWG Laminated Iron Core Inductor Crossover Coil

$8.65
ERSE Super Q 3.0mH 16 AWG 500W Laminated Iron Core Inductor Crossover Coil
An image of an ERSE Super Q 3.0mH 16 AWG 500W laminated iron core inductor crossover coil.

ERSE Super Q 3.0mH 16 AWG 500W Laminated Iron Core Inductor Crossover Coil

$18.48
ERSE 3.5mH 19 AWG Mini-Lam™ Iron Core Inductor Crossover Coil
A small ERSE iron core inductor used in passive crossover networks.

ERSE 3.5mH 19 AWG Mini-Lam™ Iron Core Inductor Crossover Coil

$6.60
ERSE 3.5mH 18 AWG Laminated Iron Core Inductor Crossover Coil
A 3.5mH 18 AWG Laminated Steel I-Core Speaker Crossover Inductor Coil made by ERSE.

ERSE 3.5mH 18 AWG Laminated Iron Core Inductor Crossover Coil

$8.98
ERSE Super Q 3.5mH 16 AWG 500W Laminated Iron Core Inductor Crossover Coil
An ERSE Super Q 3.5mH 16 AWG 500W iron core inductor crossover coil.

ERSE Super Q 3.5mH 16 AWG 500W Laminated Iron Core Inductor Crossover Coil

$19.28
ERSE 4.0mH 19 AWG Mini-Lam™ Iron Core Inductor Crossover Coil
A small 19 gauge 4.0mH iron core inductor made by ERSE.

ERSE 4.0mH 19 AWG Mini-Lam™ Iron Core Inductor Crossover Coil

$6.98
ERSE 4.0mH 18 AWG Laminated Iron Core Inductor Crossover Coil
An ERSE 4.0mH 18 gauge laminated iron core inductor used in DIY speaker kits.

ERSE 4.0mH 18 AWG Laminated Iron Core Inductor Crossover Coil

$9.45
ERSE Super Q 4.0mH 16 AWG 500W Laminated Iron Core Inductor Crossover Coil
A 500 watt 16 gauge iron core inductor made by ERSE.

ERSE Super Q 4.0mH 16 AWG 500W Laminated Iron Core Inductor Crossover Coil

$19.98
ERSE 4.5mH 18 AWG Laminated Iron Core Inductor Crossover Coil
An ERSE 4.5mh iron core inductor used in crossover speaker networks.

ERSE 4.5mH 18 AWG Laminated Iron Core Inductor Crossover Coil

$9.98
ERSE Super Q 4.5mH 16 AWG 500W Laminated Iron Core Inductor Crossover Coil
An ERSE Super Q 4.5mH inductor with a laminated iron core, wound with copper wire.

ERSE Super Q 4.5mH 16 AWG 500W Laminated Iron Core Inductor Crossover Coil

$20.90
ERSE 5.0mH 18 AWG Laminated Iron Core Inductor Crossover Coil
5.0mH 18 AWG Laminated Steel I-Core Speaker Crossover Inductor Coil used in speaker kits.

ERSE 5.0mH 18 AWG Laminated Iron Core Inductor Crossover Coil

$11.05