Nordost Blue Heaven 3 Analogue InterconnectBlue Heaven 3 Analogue Interconnect The Leif Series 3 Blue Heaven Analogue Interconnect is a double shielded design that employs four, 24 AWG, silver plated, OFC solid core conductors, arranged into two twisted pairs. The insulation is a high grade FEP, selected for its superior dielectric performance. Blue Heaven 3 Analogue Interconnects are terminated with gold plated Neutrik Profi RCAs or Neutrik XLRs. The result is a high speed, low loss