Duelund Capacitors

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Duelund Coherent Audio from Denmark make seriously esoteric components for crossovers and signal use. Featuring the JDM, CAST PP and CAST PIO ranges. Made of pure aluminium, copper or silver.

The JDM Tinned Coppers are suitable for speaker crossovers, signal electronics, and bypass capacitors. JDM stands for Jensen Domestic Market, a nod…
CAST PP Polypropylene Capacitors are an affordable entry point to the CAST range. Providing excellent sound quality for the price. Subject to the…
The CAST Capacitor ranges are Duelund's no-holds-barred flagship capacitors. Available in multiple materials, forms and voltages. With the addition…

The Virtual stack foil capacitor, made of aluminium, copper or silver foil and high-density paper, a supreme capacitor.

The Duelund RS ranges, using high-purity copper foil with a wax-impregnated dielectric and treating it with their own anti-resonance CAST material.

Following the amazing success of Duelunds tinned copper wire, Duelund has applied the same principle to the all-new JAM capacitors. These…

The Alexander's are constructed out of pure copper foil, using a resonance-damping paper dielectricum; the whole capacitor is vacuum-impregnated with…

Duelund's Precision Bypass capacitors are specially designed to be put in parallel with coupling and crossover capacitors. Offering a much-…

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