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Scientific Anglers Amplitude Smooth Double Taper

True to line weight.....different colors on either end!

$99.95

Weight forward fly lines can be tailored to a variety of tasks. However, sometimes a Double Taper is just the best tool for the job.

Free shipping on all United States orders over $50.
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The new Scientific Anglers Amplitude Smooth Double Taper Fly Line is a welcome addition to this amazing series of lines. Still sought after by many, Double Taper lines have become increasingly hard to find. Well…..the search is over!

The first series of lines to feature the revolutionary AST PLUS slickness additive, Amplitude Smooth series will shoot farther and last longer than any other line on the market. It’s slickness down to a science.

Weight forward fly lines can be tailored to a variety of tasks. However, sometimes a Double Taper is just the best tool for the job. Whether is a classic rod, a modern glass or just a need for delicate dry fly deliveries the Amplitude Smooth Double Taper will give you feel you desire with the performance you need.

* Features the revolutionary AST Plus slickness additive for superior shooting ability and increased durability
* Excels in medium-to-long distances with dry flies and smaller nymphs; wonderful on glass and bamboo
* For use in moderate and cold climates
* Braided multifilament core
* SA AMP S DBLE TPR DT X F (X = line weight)

Scientific Anglers Amplitude Smooth Double Taper Fly Line- available here in 3wt – 5wt. Color is Mist Green/Leather/Buckskin

SA Amplitude Smooth Double Taper 3wt DT-F
* 30′ Head Weight: 110 grains
* Belly Length: 75 feet 
* Total Length: 85 feet

SA Amplitude Smooth Double Taper 4wt DT-F
* 
30′ Head Weight: 120 grains
* Belly Length: 73.5 feet
* Total Length: 85 feet

SA Amplitude Smooth Double Taper 5wt DT-F
* 30′ Head Weight: 140 grains
* Belly Length: 72 feet
* Total Length: 85 feet

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Fly line grain-weight specifications

This is the official AFTMA (American Fishing Tackle Manufacturers Association) chart of fly line grain-weight specifications, based on the front 30 feet of a fly line.

Our website lists the grain weights for each line in its description. Compare that weight with the chart to see whether a particular line is true to size or overweighted.

Weight in grains for the front 30 feet of fly line

  Weight in Grains
Line WeightLowTargetHigh
1546066
2748086
394100106
4114120126
5134140146
6152160168
7177185193
8202210218
9230240250
10270280290
11318330342
12368380392
13435450465
14485500515
15535550565

Have more questions? Contact us or watch this video we made explaining the concept:

  • Free shipping on orders over $50 within the continental US (UPS Ground or USPS). Orders under $50 ship for $7.95.
  • Faster options: 2-Day and Overnight are available at checkout for an additional charge.
  • Processing: Orders ship the same day or the next day. You’ll receive a tracking number via email once your package leaves the shop.
  • Oversized items: Some large or heavy items carry a shipping charge. If so, it’s listed on the product page and added automatically at checkout.
  • Back-orders: No backorders. If we don't have it, you can't buy it!
  • International: Canada $29.95 (under 4 lbs) or $49.95 (over 4 lbs). All other countries $49.95 (under 4 lbs) or $69.95 (over 4 lbs).
  • Sales tax: Applies only to orders shipped within Ohio.

Read our full Shipping Policy

If you need to return an item for any reason:

  1. Simply follow the instructions that are provided with each order.
  2. Send us a quick e-mail, [email protected] and / or drop a note in the return package with the following information: Your name, Order Number, Item(s) and a quick note on reason for returning.

    These instructions will also be printed on the return/address form. Please note that if it has been longer than 30 days, we will need to contact you to get a credit card number in order to apply for the credit. Please make sure that we get a good phone number in that case.
  3. Drop the item in the Mail / UPS to us and that’s it – We’ll be looking for it!

We will be waiting for the item and will issue an immediate credit to your credit card account or you may leave the money on the store account for future purchases. If we don’t hear otherwise, the refund will go back on the exact card used for the transaction. *Note: If an item was not purchased via the internet, phone or the purchase was made more than 30 days previous, we will need to contact you to secure a means of credit.

  • Once we process your return, we will make a note on your “Customer Service Notes” and then drop your return/credit receipt in the mail.
  • Non-defective, returned merchandise must be in re-sellable condition.
  • Please make non-defective returns within 30 days of purchase – please contact us if more time has passed.