The balanced construction has two inner tin-plated 0.5 mm2 copper wires with 19 individual strands (19 x 0.185 mm) and polyethylene insulation. Two twisted PVC insulators are used as fillers. The Quattro Silver Shield multiple screening has two ALU-PETP films and two silver-plated spiral wrap screens running in opposite directions with fine 0.15 mm strands. There is a felt layer between the screen and the outer cladding to protect the outer silver screen. NF-S1 has an outside diameter of 8 mm.
- Outer diameter: 8 mm
- Capacity conductor: 50pF/M | screen: 100 pF/M
- Screenings: 4 (2X spiral screen / 2X foil screen)
- Finishing: silvered / tinned
- Play in time: appr. 22 hours