Neutrik NL4MP-ST

4 pole chassis connector, black D-size flange, countersunk thru holes, screw termination. This Speakon chassis connector is not airtight.

Electrical Specifications:

• Rated current/contact: 30 A rms continous, 40 A rms 1 min.
• 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, after damp 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: screw type terminals (4 mm2 / AWG 12) stranded/solid
• 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, four conductor cable splits into two pairs with NL4FC on each end
• Power ("PA) Standard: a two-conductor cable for each channel with NL4FC on both ends
• Bridged mono: a special two-conductor cable, on both ends 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 speaker pins 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 pins 2+/2-