Scientific Anglers Amplitude Smooth Instructor Fly Line
Designed specifically for casting instructors, the Amplitude Smooth Instructor Fly Line offers a smooth surface for effortless casting and enhanced distance. Its unique taper promotes easy loading and unloading, ideal for teaching techniques. With color-coded sections for quick visual feedback, it’s a durable tool that stands up to frequent use, making it essential for educators in fly fishing.
• Features the revolutionary AST Plus slickness additive for superior shooting ability and increased durability
• Extremely versatile general-purpose taper designed for most freshwater species; designed with alternating colors every 10′ through the head for casting instruction.
• Made for half-size heavy to load fast-action rods, but works well with a variety of rod types.
| Feature | Description |
|---|---|
| Surface Treatment | AST Plus slickness additive |
| Taper Type | General-purpose, versatile taper |
| Color Coding | Alternating colors every 10′ through the head |
| Recommended Use | Casting instruction, teaching techniques |
FAQ
What makes the Amplitude Smooth Instructor Fly Line suitable for teaching?
The color-coded sections every 10′ allow instructors to visually track casting performance and demonstrate technique effectively. The smooth surface and easy loading/unloading promote consistent and repeatable casting motions.
Is this fly line compatible with different types of rods?
Yes, while it is designed for half-size heavy to load fast-action rods, it performs well with a variety of rod types due to its versatile taper.
How does the AST Plus additive improve performance?
The AST Plus slickness additive enhances shooting ability and increases durability, providing a smoother cast and better resistance to wear during frequent use.




Lucas Hudson –
Great for teaching beginners. The color sections help students see where they’re going wrong in their casts. The line casts smoothly and doesn’t tangle easily. Works well with both fast-action and medium rods.
Phil Wright –
As a fishing instructor, I use this line regularly. The alternating colors make it easy to demonstrate casting techniques. The smooth surface reduces friction and helps students build confidence in their throws.
Adrian Welch –
Solid performance for teaching. The color coding is very helpful. A bit heavier than expected for a general-purpose line, but it holds up well under repeated use.
Audrey Morrison –
Perfect for classroom settings. Students can immediately see the differences in casting with the color breaks. The line is durable and doesn’t fray after many sessions.