CTS - Precision Audio Taper Pot - 9.5mm Solid-Shaft - 500K

Upgrade your guitar with the CTS 500A-RS, a high-quality 500K audio taper potentiometer featuring a solid shaft design for use with set-screw knobs. Built with CTS’s trusted manufacturing quality, this pot delivers smooth, precise control and excellent reliability for professional builds and upgrades.

With a shorter 9.5mm thread height, it’s well suited for pickguard-mounted guitars or thinner control plates, while maintaining full compatibility with USA-spec components.

Features and Benefits:

• Precision CTS is built for long-lasting reliability
• Smooth and accurate audio taper for natural tone control response
• 500K resistance value, ideal for humbucker pickups
• Regular (inch) solid shaft design compatible with most USA-sized knobs
• Durable brass solid shaft with 24 fine splines
• Tight resistance tolerance for consistent performance
• Short thread height (9.5mm) for pickguard or thin-top installations

Specifications:

• Resistance: 500K Ω
• Taper: A type (audio taper)
• Thread height: 9.5 mm
•  Shaft height: 22.2 mm
•  Shaft diameter: Solid shaft (6.35 mm / 1/4”)
•  Pot casing diameter: 23.8 mm
• Thread: USA spec 3/8” x 32 brass thread collar
• Includes nut, dress washer, and lock washer

Compatibility:

This CTS pot is designed for inch-sized control knobs and fits most USA-made guitars. Perfect for Les Paul®, SG® and other guitars equipped with humbucker pickups.

Tone Tip:
Use 250K pots with single coils for a warmer, smoother tone. For humbuckers, 500K pots are typically preferred for brighter highs.