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Chassis Connectors
Audio
Audio
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The Speakon panel mount connectors are the standard chassis connectors for loudspeaker / amplifier interconnections. They feature a unique metal locking system, making contact only once fully locked. The Speakon receptacles are robust, versatile and easy to terminate with either flat tab (Faston®) or screw terminals, pcb mount or soldering. They are available in 2, 4 and 8 pole configuration utilizing D size or G size panel cutout. The chassis connectors are airtight for audio applications (leakage 30 cm3/s at 10 kPa differential pressure) unless otherwise stated.

Termination
No suffix = solder termination or 3/16" flat tabs
H = horizontal pcb mount,
V = vertical pcb mount, straight pins
ST = screw terminal

Front and rear panel mount

Panel fastening
Standard: Countersunk mounting holes to accept M3 bolts or rivets
M3: M3 threaded insert
PCB mount: Self-tapping PLASTITE®* screw with thread 2.9 x 1.06 mm and of tri-rondular configuration (A-screw)
*PLASTITE® is a registered trademark of SFS Unimarket

For details about color, flange layout and fastening please refer to enclosed Flange and Fastening Layout under additional info.
NL2MD-HNL2MD-H
2 pole chassis connector, black D-size flange, countersunk thru holes, horizontal PCB. Does not intermate with the 4-pole cable connector.
NL2MD-VNL2MD-V
2 pole chassis connector, black D-size flange, countersunk thru holes, vertical PCB mount. Does not intermate with the 4-pole cable connector.
NL2MPNL2MP
2 pole chassis connector, black D-size flange, countersunk thru holes, 3/16" flat tabs. Does not intermate with the 4-pole cable connector
NL4MD-HNL4MD-H
4 pole chassis connector, grey D-size flange, self tapping screw holes (A-screw), horizontal PCB mount
NL4MD-H-1NL4MD-H-1
4 pole chassis connector, black D-size flange, countersunk thru holes, horizontal PCB mount
NL4MD-H-2NL4MD-H-2
4 pole chassis connector, black D-size flange, mirrored self tapping screw holes (A-screw), horizontal PCB mount
NL4MD-H-3NL4MD-H-3
4 pole chassis connector, black D-size flange, self tapping screw holes (A-screw), horizontal PCB mount
NL4MD-VNL4MD-V
4 pole chassis connector, black D-size flange, countersunk thru holes, vertical PCB mount
NL4MD-V-SNL4MD-V-S
4 pole chassis connector, black D-size flange, switchable version of NL4MD-V with 8 PCB contacts (4 switching contacts). Switch is closed unless mating of Speakon cable connector. This chassis connector is not airtight.
NL4MD-V-1NL4MD-V-1
4 pole chassis connector, grey D-size flange, self tapping screw holes (A-screw), vertical PCB mount
NL4MD-V-2NL4MD-V-2
4 pole chassis connector, black D-size flange, mirrored self tapping screw holes (A-screw), vertical PCB mount
NL4MPNL4MP
4 pole chassis connector, black D-size flange, countersunk thru holes, 3/16" flat tabs
NL4MP-1NL4MP-1
4 pole chassis connector, grey D-size flange, self tapping screw holes (A-screw), 3/16" flat tabs
NL4MP-2NL4MP-2
4 pole chassis connector, black D-size flange, mirrored self tapping screw holes (A-screw), 3/16" flat tabs
NL4MP-3NL4MP-3
4 pole chassis connector, black D-size flange, self tapping screw holes (A-screw), 3/16" flat tabs
NL4MP-M3
4 pole chassis connector, black D-size flange, M3 threaded insert, 3/16" flat tabs
NL4MP-STNL4MP-ST
4 pole chassis connector, black D-size flange, countersunk thru holes, screw termination. This chassis connector is not airtight.
NL4MP-UCNL4MP-UC

4 pole chassis connector for 40 A rms continuous, 50 A audiosignal duty cycle 50%. Black D-size flange, countersunk thru holes, 1/4" flat tabs
NL4MPRNL4MPR
4 pole chassis connector, black round G-size flange, countersunk thru holes, 3/16" flat tabs
NL8MD-VNL8MD-V
8 pole chassis connector, nickel metal square G-size flange, countersunk thru holes, vertical PCB mount
NL8MD-V-BAGNL8MD-V-BAG
8 pole chassis connector, black chrome square G-size flange, countersunk thru holes, vertical PCB mount
NL8MD-V-1NL8MD-V-1
8 pole chassis connector, nickel metal square G-size flange, self tapping screw holes (A-screw), vertical PCB mount
NL8MPRNL8MPR

8 pole chassis connector, nickel metal square G-size flange, countersunk thru holes, 3/16" flat tabs
NL8MPR-BAGNL8MPR-BAG

8 pole chassis connector, black chrome metal square G-size flange, countersunk thru holes, 3/16" flat tabs