Neutrik NL4MP-UC

4 pole chassis connector for 40 A rms continuous, 50 A audiosignal, duty cycle 50%. ¼” Faston termination. D-size flange connectors.

Electrical Specifications

• Rated current/contact: 40 A rms continous, 50 Aaudiosignal, duty cycle 50%
• Dielectric strength: 4kV peak
• Rated voltage: 250 V ac
• Contact resistance: = 3 m Ohm (= 10 m Ohmfor NL4MD-H) after 5000 insertion-withdrawal operations
• Insulation resistance, initial: > 2 G Ohm, afterdamp heat test: > 1 G Ohm
• Inrush/outrush current capability (12 V source):300/30 A/200 ms
• Creepage distance: according to IEC 664-1

Mechanical Specifications

• Chassis: flat tabs for FASTON 0.250″ x 0.03″ (6.3 mm x0.8 mm) or PCB-version with pins 1.6 mm x 0.5 mm (FASTON is a trademark of AMPInc.)
• Solderability complies with IEC 68-2-20

Material Specifications

• Contacts, Female: CuZn39Pb3
• Contacts, Male: CuSn8, 4 µm Ag plated
• Housing: PA 6 30% GR
• Metal insert: Ck67
• Temperature range: -30°C to +80°C
• Flammability: UL94HB
• Amplifier Wiring:
  • Stereo (“HIFI”): one NL4MP socket left channel pins1+/1- right channel pins 2+/2-
  • Power (“PA) Standard: three NL4MP sockets “A” socket:left channel pins 1+/1- “B” socket: right channel pins 1+/1-
  • Bridged mono: “M” socket: left channel pins 1+/1-right channel pins 2+/2-
  • BI-Amp: one NL4MP socket low frequency pins 1+/1- high frequency pins2+/2-
• Cable Wiring:
  • Stereo (“HIFI”): NL4FC on amplifier end, fourconductor cable splits into two pairs with NL4FC on each end
  • Power (“PA) Standard: a two-conductor cable for eachchannel with NL4FC on both ends
  • Bridged mono: a special two-conductor cable, on bothends wired to pin 1+/2+ of NL4FC
  • BI-Amp: a four-conductor cable on both ends wired to pins 1+/1-, 2+/2- ofNL4FC
• Speaker Wiring:
  • Stereo (“HIFI”): one NL4MP per speaker left speakerpins 1+/1- right speaker pins 2+/2-
  • Power (“PA) Standard: NL4MP pin 1+ to speaker coil “+”NL4MP pins 1- and 2+ to speaker coil “-“
  • Bridged mono: NL4MP pin 1+ to speaker coil “+” NL4MPpins 1- and 2+ to speaker coil “-“
  • BI-Amp: one NL4MP socket low frequency pins 1+/1- high frequency pins2+/2-