My old fingers cant manage heavier gage strings anymore. anybody happy with "extra lights" 10-47's ? is the ease of play worth the loss in tone?

You might try silk and phosphor 11- 47. They play easily while maintaining the more traditional tone. .115 - 47 silk and steel play well but are very mellow tonally. Alot has to do with the guitar itself and of course personal preference. Additionally, you may have to set the guitar up again. The strings will ride slightly lower in the saddle and nut. And they will not pull the neck as much. No easy way other than trial and error. I have 17 acoustics and have tried several sets on each guitar before settling on what I like on that particular guitar. Only 2 of the 17 uses the same strings. Good luck.

Anyone using these for fingerstyle blues? What do you think of them?

I only play fingerstyle, and I play blues, jazz, pop...I LOVE these strings. If you're not plugged in you may notice a little less volume. Nothing drastic. They sound a bit more "warm." Slides are sweet. They're not that expensive. (I have used another brand that cost something like $30. They are a little nicer, but I can't afford that luxury all the time.) Try a set. Your fingers will thank you.

Is the core in of the d'addario eft15 round core?

Down in the product details at the bottom of the page -- "D'Addario Phosphor Bronze strings are precision wound with corrosion-resistant phosphor bronze onto a carefully drawn, hexagonally shaped, high carbon steel core. " Note the "hexagonally shaped, high carbon steel core" so NOT a round core.

Wait a second, the title for the item is flattened, the description page says roundwound, and one of the answers says they are halfwound. Which is it?

They are flattened. Flat round is a different type of string. Basically its like the small humps of the round string are ground down .

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D'Addario Flat Tops Phosphor Bronze Strings EFT17, 13-56

Product ID: 15581933

Details

Brand
D'Addario
Color
Bronze
Instrument
Acoustic
String Gauge
Medium
String Material Type
Phosphor

🎸Precision wound for smooth play

🛡️Durable phosphor bronze wrap

🇺🇸Made in USA, quality assured

€ 32.93

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Description

🎶 Elevate your acoustic game with the strings that pros swear by!

EARN REWARDS WHILE YOU PLAY - Register your recyclable packaging code to join the Players Circle and rack up points—because great strings deserve great perks.
DURABILITY THAT LASTS MONTHS - Engineered for longevity, these strings maintain tone and tension even after extended play, minimizing breakage and frequent replacements.
WARM BALANCED TONE ACROSS GENRES - Experience the iconic D’Addario phosphor bronze sound—rich warmth and perfect balance that suits every style from blues to folk.
IDEAL FOR RECORDING SLIDE GUITAR - Reduced finger squeak and smooth feel make these strings a top choice for studio pros and slide guitarists craving clarity and comfort.
PRECISION WOUND FOR SILKY SMOOTH PLAY - Flat Tops feature a semi-flat, precision ground phosphor bronze wrap over a high-carbon steel core, reducing finger noise and enhancing playability.

D'Addario Flat Tops Phosphor Bronze Strings EFT17 (13-56 gauge) are precision wound acoustic guitar strings crafted in the USA. Featuring a phosphor bronze wrap over a high-carbon steel core, they deliver a warm, balanced tone with reduced finger noise, making them ideal for recording and slide playing. Durable and smooth, these strings are a trusted standard for acoustic guitarists seeking professional sound and feel.

Specifications

ASIN	B0006IQN34
Best Sellers Rank	#43,626 in Musical Instruments ( See Top 100 in Musical Instruments ) #308 in Acoustic Guitar Strings
Body Material Type	Phosphor Bronze
Brand Name	D'Addario
Coating Description	Uncoated
Color	Bronze
Customer Reviews	4.5 4.5 out of 5 stars (219)
Finish Type	Polished
Global Trade Identification Number	00019954121242
Included Components	6-string acoustic guitar set
Instrument	Acoustic Guitar
Item Highlight	Flat Tops phosphor bronze acoustic strings deliver warm semi-bright tone, smooth feel, reduced noise and stable tuning.
Item Type Name	Acoustic Upright Bass
Manufacturer	D'Addario &Co. Inc
Manufacturer Part Number	EFT17
Material Type	Phosphor Bronze
Model Name	EFT17
Model Number	EFT17
Number of Items	1
Recommended Uses For Product	Acoustic Guitar
Set Name	EFT17
Sound Profile	Warm, Balanced
String Gauge	Medium
String Material Type	Phosphor Bronze
UPC	333335567611 019954121242
Unit Count	1 Count
Warranty Description	D'addario strives to be a customer-centric company dedicated to producing the highest quality musical instrument accessories in the world. If you have purchased a d'addario product that you believe to be defective, we invite you to submit a contact us form, selecting defect/warranty as inquiry type. We are committed to providing a fair resolution and hope that you will want to continue supporting …

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€ 32.93

Duties & taxes included

In stock

Sold byAmazon ItalyDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Italy.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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