VSystem

Essentials Classic Banana 2 - Banana Plug for Speaker Cable

Classic Banana 2 is a robust, well-made banana plug designed for speaker cables up to 8 AWG (8 mm²). The body is made of ultra-pure brass in an ABS housing, with contact handled by 6-leaf spring contacts of ultra-pure beryllium copper with 24-karat gold-plated surfaces. Clear markings for amplifier and speaker simplify installation, while a solid side screw holds the cable firmly in place.

Key Highlights

• 6-leaf spring contacts of beryllium copper with 24-karat gold plating
• Ultra-pure brass in a durable ABS housing
• Takes cable up to 8 mm² (5 mm diameter) - suitable for heavy-gauge runs
• Side screw for secure clamping with no soldering

Technology & Benefits

6-Leaf Beryllium Copper Contact

The contact section is built from six spring leaves distributed around the circumference of the pin. Inserted into a terminal, they compress evenly and create a considerably larger contact area than plugs with one or two leaves. Beryllium copper is chosen specifically for its spring properties - it retains elasticity after hundreds of insertions, unlike plain brass, which deforms over time and lets the connection loosen.

Gold Plating Against Oxidation

The 24-karat gold plating on the contact surfaces doesn't improve conductivity in itself, but it prevents oxidation. An oxidised contact gradually increases resistance, which is heard as a loss of detail and dynamics - particularly in systems that sit unused for longer periods.

Secure Clamping Without Soldering

The conductor is clamped by a side screw, providing a solid mechanical and electrical connection with no soldering required. Maximum cross-section is 8 mm² (5 mm diameter of bare conductor), which covers every common speaker cable with room to spare. The ABS housing insulates the body and gives a comfortable grip when tightening.

Clear Markings

The plugs carry markings for amplifier and speaker, along with colour coding for polarity - red for positive, black for negative. In a multichannel system or when replacing cables, this saves checking and prevents out-of-phase wiring, which noticeably weakens the bass.

Who Is It For?

Suitable for anyone making or replacing their own speaker cables. Banana plugs make connecting and disconnecting easier when rearranging a system, and the 8 mm² capacity suits heavier cables that are difficult to fit directly into a terminal.

Technical Information

• Type: Banana plug for speaker cable
• Body: Ultra-pure brass with ABS housing
• Contacts: 6-leaf springs of ultra-pure beryllium copper
• Plating: 24-karat gold on contact surfaces
• Maximum cable size: 8 mm² / 8 AWG / 5 mm Ø (without insulation)
• Clamping: Side screw
• Markings: For amplifier and speaker; colour-coded for polarity
• Colour: Black or red
• Dimensions (W x H x D): 1.5 x 5.0 x 2.0 cm
• Quantity: Sold individually

Expert Tip from vsystem.bg

Terminals on amplifiers, receivers and speakers are often sealed with small plastic plugs as a safety measure. These need to be pried out with a very small screwdriver or another pointed object before banana plugs can be connected. Before fitting, twist the conductor strands tightly and check that none stray to the side - a single protruding strand bridging positive and negative is the most common cause of a short. Tighten the screw firmly but without excessive force: brass is soft and the thread strips more easily than you'd expect.

FAQ

How many plugs do I need?
A pair of speakers requires eight - two at each end of both cables. Ordering four red and four black is advisable, so polarity stays clearly marked.

Do I need a soldering iron?
No - the conductor is clamped by a side screw. Soldering is only necessary if you prefer to reinforce the connection.

Why won't the plug go into the terminal?
Most likely the opening is sealed with a plastic plug fitted by the manufacturer. Pry it out with a small screwdriver and the connector will fit without trouble.

What does 8 mm² mean?
It's the maximum size of bare conductor the plug accepts - 5 mm in diameter. Most speaker cables are between 1.5 and 4 mm², so this leaves considerable headroom.