Description
The Oyaide FTL series – including FTL-G, FTL-SR, and FTL-PP – are audiophile-grade FASTON 250 terminals designed for internal wiring in speakers, power supplies, and other high-fidelity audio components. These terminals are not just mechanical connectors; they are carefully plated for sonic tuning, signal integrity, and ultra-low resistance.
Basic
FASTON terminals are widely used for wiring connections in electronic equipment due to their strong gripping force on the mating electrode and superior convenience of easy connection and disconnection.
Oyaide Electric has focused on FASTON terminals for their superior convenience. With the commercialization of the “Power Inlet PP,” an IEC inlet that can be connected using Faston terminals, Oyaide Electric has begun to improve the quality of FASTON terminals, which have traditionally been overlooked in audio craft. The “FT Series” of audio FASTON terminals is now available.
The terminals are precision punched and bent, and finished with Oyaide’s original double coat plating. Three plating variations are available: 24K Gold (FTL-G), Silver + Rhodium (FTL-SR), and Platinum + Palladium (FTL-PP).
The “FT Series” not only improves the usability of the “Power Inlet PP” but also improves the quality of the fastening terminals used to connect the speaker unit to the internal wiring, as well as the fastening terminals used in audio equipment and guitar amplifiers. The “Power Inlet PP” is a small terminal that can be used to improve the usability of the “Power Inlet PP”. This small terminal will greatly enhance your audio craft.
Features
Three Types of Plating are Available by Favorite Tone
Oyaide original double-coat plating finish is applied to the high-precision punched and bent copper alloy terminals. Three types of plating patterns are lined up for selection by tone.
- 24K Gold: Soft and warm tone.
- Silver + Rhodium: For clarity and sharpness.
- Platinum + Palladium: Heavy and dynamic expression.
Applications Including IEC inlets, Speaker units and Internal wiring
F6.35 (6.35mm wide x 0.8mm thick) electrode and fastening terminal, large male type. Suitable for the following applications.
- For those who are looking for high quality sound terminals for IEC inlets and internal wiring connections of speaker units.
- For improving the quality of flat terminals inside audio equipment and guitar amplifiers.
- For those who want to eliminate soldering in wiring paths as much as possible.
⚙️ Common Technical Specs
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Type: FASTON 250 (6.3 mm) tab connectors
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Base Material: High-purity copper for excellent conductivity
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Crimp or solder compatible
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Use Case: Internal speaker terminals, AC inlet wiring, amplifier output terminals, power supplies
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Made in: Japan
💎 Plating Differences & Sonic Tuning
✅ FTL-G (Gold-Plated)
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Plating: 24K gold
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Warm, rich tone with smooth highs and rounded edges
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Ideal for analog systems, tube gear, and warmth-loving setups
✅ FTL-SR (Silver/Rhodium-Plated)
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Plating: Direct silver + rhodium layer
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Highly resolving, bright and fast sound
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Great for digital front-ends, speakers, and high-resolution systems
✅ FTL-PP (Platinum/Palladium-Plated)
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Plating: Direct platinum + palladium
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Most neutral, balanced, and precise
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Reference-grade sound: tight bass, textural mids, refined treble
🔊 Audio Benefits
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Superior contact stability compared to generic steel FASTONs
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Reduced micro-arcing = lower distortion
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Enhanced signal flow and tonal purity
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Adds a layer of tuning to your system without altering components
🧠 Best Use Cases
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Upgrading internal speaker connectors
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Replacing stock power supply terminations
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Building or modifying DIY crossover networks
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High-end AC inlet connections (e.g., IEC to PCB)
🛠️ Pro Tip:
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Use a proper crimping tool or silver solder for optimal conductivity.
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Match plating to your system’s needs: Gold = warmth, Silver/Rhodium = detail, Platinum/Palladium = balance.
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Pair with Oyaide 5N copper wire or 102 SSC wire for synergy.
Specs
| Model name | FTL-G / FTL-SR / FTL-PP |
|---|---|
| Material | Brass |
| Plating | FTL-G:24K Gold 2-layer plating FTL-SR: Silver / Rhodium plating FTL-PP: Platinum / Palladium plating |
| Shape | FASTON 250 Series (Female) |
| Accessory | PVC Insulating Sleeve(FTL-G:8 Pieces / FTL-SR/PP:4 Pieces) |
| Wiring installation method | Crimp or solder |
| Applicable wire for installation | 2.0~3.5sq (AWG 14~12) |
| Packing Unit | FTL-G:8 Pieces, FTL-SR/PP:4 Pieces |
| Standard | UL(E70188) UL(E70188) CSA(LR20812) JIS F6.35(6.35mm widthx0.8mmthickness)fit into the electrode RoHS Compliant |
| Release date | 2011/3/25 |







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