Monacor Speaker Binding Posts BP-420

Monacor BP-420 Speaker Binding Posts (Pair) - Art. No. 34.7080

Description
The Monacor BP-420 is a pair of heavy duty, nickel-plated speaker binding posts engineered for loudspeaker cabinet construction, terminal plate upgrades, and custom audio equipment. Designed to accommodate wooden cabinet walls up to approximately 25 mm thick, these uninsulated binding posts feature an M6 threaded shaft with an 8 mm mounting diameter and a generous 6 mm cross hole for heavy-gauge bare wire. External connections accept standard 4 mm banana plugs, bare wire, or spade lugs, while internal wiring can be terminated via the included gold-plated solder eyelet terminals or double hex locking nuts.

Key Features:

• Versatile Wire Termination: Accepts standard 4 mm banana plugs into the top socket, bare wire through the 6 mm cross hole, or spade connectors under the cap.
• Nickel-Plated Construction: High quality nickel-plated finish provides long term corrosion resistance and reliable electrical conductivity.
• Gold-Plated Solder Lugs: Includes gold-plated solder tab eyelets for internal crossover wiring connections.
• Deep Wall Mounting: M6 threaded stud with 39 mm shaft length accommodates wooden cabinet panels up to 25 mm thick.
• Colour-Coded Polarity: Supplied as a pair with 1x red and 1x black identification rings for quick polarity recognition.

Technical Specifications:

• Model / Order Code: Monacor BP-420 / 34.7080
• Quantity Supplied: 1 pair (1x Red ID, 1x Black ID)
• Thread Size: M6
• Mounting Hole Diameter: 8 mm (Ø8 mm)
• Shaft / Thread Length: 39 mm
• Total Shaft Assembly Length: 54 mm
• Cap Outer Diameter: 15 mm (Ø15 mm)
• Cap Length: 15 mm
• Bare Wire Cross Hole Diameter: 6 mm (Ø6 mm)
• Flange Thickness: 2.5 mm
• Maximum Cabinet Wall Thickness: Approx. 25 mm
• Metal Plating: Nickel-plated body with gold-plated solder eyelet terminals
• Included Hardware per Post: 1x knurled cap, 1x colour ID ring, 1x shoulder flange, 1x gold solder lug, 2x M6 hex nuts, 1x lock washer

Suggested Uses & Applications:

• Building custom DIY hi-fi speaker enclosures, subwoofers, and studio monitor cabinets.
• Upgrading worn or lower-quality binding posts on vintage speaker terminal plates.
• Panel mounting speaker level output connections on custom audio amplifiers and test gear.

Installation & Mounting Tips:

• Panel Hole Drilling: Drill clean 8 mm mounting holes through your speaker enclosure or terminal plate for a precise fit.
• Uninsulated Body Precaution: Because these binding posts have uninsulated metal bodies, ensure adequate spacing between positive and negative posts when mounting through conductive metal panels, or use an insulated mounting plate.
• Internal Termination: Solder internal crossover lead wires directly to the gold-plated solder lugs, or secure ring terminals firmly between the dual M6 hex locking nuts.