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Heavy-gauge speaker cable in indigo cloth

Sumi

Built for systems that need real weight underneath. Two conductor bundles run in parallel, spaced by an ash-wood former so capacitance stays constant along the run.

Price depends on length and termination. Get in touch for a quote.

Specifications

Conductor

Cold-drawn solid copper, 4N

Gauge

10 AWG equivalent

Geometry

Two parallel bundles on an ash-wood former

Dielectric

Beeswaxed indigo-dyed cloth

Shielding

None

Capacitance

≈ 62 pF/m

Inductance

≈ 0,48 µH/m

Resistance

≈ 3,3 mΩ/m

Made to order

Available lengths

  • 1.5 m
  • 2 m
  • 2.5 m
  • 3 m

Terminations

  • Banana
  • Spade
  • Bare ends

Or built to your own length.

Detail

Sumi — Detail 1
Sumi — Detail 2
The listening room: a chair and a pair of speakers in afternoon light

Listening room

Come and listen first

The room opens by appointment, one guest at a time. Bring your own records — and the cable you use now, so the comparison is direct.

Book a listening session

Nothing is sold online — every order starts with a conversation.