OYAIDE SGBN Banana Plug (Set of 4)

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  • Regular price $85.00
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All items are in original boxes and shipped from Japan.
Condition : New, all accessories are included.

OYAIDE SGBN Banana Plug (Set of 4)

Two years ago, with the cooperation of a plating factory, we worked together to find a new plating combination suitable for the speaker terminal connection plug, while maintaining the simple design, carefully selected details, and non-magnetic phosphor bronze material. SGBN” development has started. Based on thick 24K gold plating, we have produced more than 10 types of prototypes by changing the combination of plating materials and the thickness of each plating. After repeated comparative listening tests, we selected sterling silver + thick 24K gold plating, which yielded the best results in terms of sound quality and durability, and we took advantage of the long-term stability that gold plating provides and the good phase characteristics of the mid-range range. While taking full advantage of this, we have exquisitely tuned and upgraded it by applying silver plating to the base to extend the high range.

The tip diameter is selected using WBT speaker terminals as standard. Of course, we have repeatedly tested speaker terminals other than WBT, and it is also compatible with general banana plug receiving terminals. In order to securely clamp the cable conductor, a high-rigidity stainless steel set screw with a diameter of 5 mm is used for the cable insertion diameter (4 mm). This maximizes the contact area without letting the strands of the cable conductor escape, ensuring a perfect connection.

The main body is carefully buffed one by one by hand to give it a mirror finish. The perfectly polished body is plated twice with sterling silver and thick 24K gold plating, and together with the blue screw, it gives the "SGBN" a high-quality and elegant look.

Material/Structure
Smooth and tight. The goal of “SGBN” was to complete this theme using only the characteristics of the material. Phosphor bronze is used to achieve a secure hold with a minimum number of parts. Due to its excellent springiness and electrical properties, phosphor bronze is used in many contact points, which are the core of electrical products.

When planning “SGBN”, the area we paid the most attention to was around the contact at the tip. In order to ensure maximum contact area, the tip is divided into four sections with cross slits, and the slits are designed to fit tightly together during insertion. The tip is designed to perfectly match WBT speaker terminals. We created more than a dozen samples in 30μ increments from the standard value of 3.8mm, and selected the size and shape that would be the most "smooth and tight." We have also repeatedly tested speaker terminals other than those made by WBT, and are compatible with any banana plug receiving terminal.

“SGBN” is also made with Oyaide-like consideration when joining cables, and the cable insertion part, which is designed to accommodate a maximum cable diameter of 4 mm (5.5 sq), is tapered to make it easier to insert the stranded wire into the main body. did.

The connection method uses a dual screw clamp method. Two screws ensure reliable contact and fixation between the cable and the main body. Furthermore, we pay special attention to the screw part used to secure the cable. A high-rigidity stainless steel set screw with a diameter of 5 mm is used for the cable penetration part with a diameter of 4 mm. This eliminates the gap between the main body and the screw part, ensuring maximum contact area.

processing
“SGBN” was created with its outstanding cutting precision. The 8mm phosphor bronze round bar is machined with high precision using highly programmed CNC machining. The machined body is mechanically barrel-polished and then buffed one by one by a polishing craftsman to create a smooth mirror finish.

plating
The mirror-finished main body is plated with pure silver and then finished with thick 24K gold plating.

In general, gold plating has smooth characteristics from low to mid-high range, but the extension in the high range may feel a little lacking. "SGBN" takes advantage of the long-term stability provided by gold plating and the good phase characteristics of the neutral mid-range range, while also being exquisitely tuned by applying silver plating to the base to extend the high range.

Additionally, in order to confirm the long-term stability of the new plating combination, we have passed a continuous use test for more than one and a half years, ensuring complete reliability. Typical gold-plated terminals use magnetic electrolytic nickel plating as the base to prevent corrosion, but the gold plating of Oyaide products prevents sound quality deterioration by eliminating electrolytic nickel. Mirror finish and direct plating. It has to be made because it is simple. Here too, Oyaide Denki's philosophy and craftsmanship are condensed. The pride of being "Made in Japan". “SGBN” is proof of highly refined Japanese craftsmanship.

[Characteristics of SGBN]
・New pure silver plating base + thick 24k gold plating finish
・Exquisite tuning is achieved by applying silver plating to the base to extend the high range while taking advantage of the long-term stability provided by gold plating and the good phase characteristics of the neutral midrange range.
-Selected size using WBT speaker terminal as standard. After cutting and trying more than a dozen times in 30 micron increments, we selected the sweet spot that allows easy insertion and is difficult to remove.
- In order to demonstrate the excellent springiness of phosphor bronze, a cross slit is made in the tip insertion part to improve adhesion to the terminal. Maximize contact area
- Uses a high-rigidity blue stainless steel set screw with a diameter of 5 mm for the cable penetration part with a diameter of 4 mm. This eliminates the gap between the main body and the screw part, and ensures reliable contact and fixation between the cable and the main body using two screws.
- Cutting a phosphor bronze round bar with a diameter of 8 mm with high precision using CNC machining
・After being mechanically barrel polished, each item is manually buffed to a mirror finish.

【Product Specifications】
Material: Phosphor bronze (RoHS compliant)
Plating: Pure silver plating base + thick 24K gold plating
Cable connection method: dual screw clamp method
Electrode diameter: Maximum approximately 4.6mm, minimum approximately 4.25mm
Applicable cable diameter: ~4.0mm (5.5sq)
Packing quantity: 4 pieces 1 set
Others: L-type hex wrench included

Please note :
If the product cannot be shipped within 10 business days due to the manufacturer's stock being out of stock, we will refund your money after contacting us.
Import duties, VAT and other taxes and their associated charges are not included in the item price or shipping charges.