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Canford

30-170

CANFORD HST-R-M CABLE 1 pair 

Canford HST-R-M

CANFORD HST-R-M CABLE 1 pair

HST-R-M - MINIATURE HELICAL SCREENED STRANDED CONDUCTOR TWIN CABLE Rubber equivalent jacket

Designed for specialised applications requiring either an extra flexible mic cable or one of reduced overall size. The cable uses the standard HST core and screen construction, but then has a matt black polyurethane (PUR) jacket of only 0.8mm radial thickness, giving an overall cable diameter of 4.6mm. This jacket thickness would be impractical with PVC, but due to the very tough wearing properties of PUR, becomes possible. However, the thinner jacket does not give the mechanical protection to the core, so it would not be suitable for on-stage use etc.

Technical Specification:
Construction: Two conductors, each 30 strands of 0.10mm plain copper wire for flexibility, twisted with short lay length (30mm) for better balance and noise rejection. Cotton fillers used both to reduce microphony and to give a more regular central core profile to prevent movement of screen. Precision wound helical formation screen, 72 strands of 0.10mm plain copper wire. Overall jacket is extra flexible soft PVC, which has excellent handling characteristics and remains flexible at low temperatures, together with a serviceable “semi-matt” surface finish
Conductors: 30/0.10mm (0.235mm²) plain copper wire
Insulation: PVC, radial thickness 0.38mm, OD 1.4mm, Red and Black
Twisting and lay: 2 ×0.25mm² plus 2 ×cotton fillers, 30mm lay length
Screen: 72/0.1mm helically wound plain copper wire, 96% optical coverage
Capacitance: 143pF/metre core to core, 256pF/metre core to core + screen.
Maximum conductor  
resistance: 69 ohms/km
Overall jacket: Polyurethane, OD 4.6mm (±0.2mm), matt black
Weight: 2.8 kg/100m
Reel lengths: 100m and 500m
Cut lengths: Available in any multiple of 1 metre
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