What would be the downside of putting these strings on an old classical guitar I bought for $25. Would it cause the neck to bow?

Your guitar will be damaged on a classical with steel strings. Classical guitars necks are not built for steel they are built for nylon strings. Your neck will bow and warp

Are the first 3 strings nylon?

No, they are plain steel as in other acoustic sets. Nylon would only be found on classical sets.

What would be the best string size to use on a used acoustic guitar to be played by a 9 year old boy?

The lighter the guage...the easier to bend. The easier to bend...the harder to control. Since its an acoustic guitar, i would start with 10's ...try .10 to .46. Thats a pretty standard guage. He should be able to tell if he would like a smaller guage in which case go to 9's. Better yet....take him to a guitar shop and let him try some different guage strings. If hes just strumming, he may like the 10's. When hes ready for more sophisticated play, and until his hands get larger and stronger, he may need the 9's. Happy playing!

Can I put nylon strings on a guitar that use to have metal?

You can. You will need to do a neck adjustment to makeup for the lower tension. These strings are metal that the question was asked under.

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【正規品】 ERNIE BALL 2146 アコースティックギター弦 (12-54) EARTHWOOD PHOSPHOR BRONZE MEDIUM LIGHT

Product ID: 741477913

Details

ストリング材質タイプ
リン青銅
ブランド
Ernie Ball
弦のゲージ
カスタム
楽器
アコースティックギター
色

🎸Medium Light Gauge .012-.054

🔊Warm, rich & transparent tone

🇺🇸Made in USA premium quality

€ 15.74

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Sold byAmazon CyprusDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🎶 Elevate your acoustic vibe with strings that speak your style.

UNMATCHED TONAL CLARITY WARMTH - Phosphor bronze winding ensures a bright, clear sound with rich warmth that stands out in any acoustic setting.
CRAFTED WITH PREMIUM US MATERIALS - Manufactured in the USA using high-carbon steel cores wrapped in phosphor bronze for durability and consistent performance.
TOP RATED CHOICE AMONG ACOUSTIC PROS - Ranked #36 in guitar strings on Amazon with 4.6 stars from over 13,000 reviews—join the community of discerning players.
PERFECT BALANCE OF PLAYABILITY TONE - Medium Light gauge strings (.012-.054) deliver the ideal blend of ease and vibrant sound for every gig and jam session.
FRESHNESS GUARANTEED WITH SEALED PACKAGING - Each set is sealed to lock in freshness, so your strings sound brand new from day one—no compromises.

Ernie Ball Earthwood Phosphor Bronze Medium Light acoustic guitar strings (.012-.054) feature hexagonal high-carbon steel cores wrapped in a phosphor bronze alloy (92% copper, 7.7% tin, 0.5% phosphorus). Made in the USA and sealed for freshness, these strings deliver warm, rich, and transparent tones favored by professionals and enthusiasts alike. With a 4.6-star rating from over 13,000 reviews, they offer exceptional value and performance for acoustic guitarists seeking reliable, vibrant sound.

Specifications

ASIN	B0002DUQ04
Amazon 売れ筋ランキング	楽器・音響機器 - 430位 ( 楽器・音響機器の売れ筋ランキングを見る ) ギター弦 - 30位
GTIN (Global Trade Identification Number)	00749699121466
UPC	749699121466
おすすめ度	5つ星のうち4.6 13,588 レビュー
カラー	ミディアム・ライト(12-54)
ゲージ	カスタム
コーティングの説明	コーティングなし
ストリング材質タイプ	リン青銅
ブランド	Ernie Ball
ブランド名	Ernie Ball
メーカー名	ERNIE BALL
メーカー型番	P02146
仕上げタイプ	コーティングなし
保証内容	メーカーの保証規定に準ずる
原産国	アメリカ合衆国
商品の重量	0.01 ポンド
商品種別	アコースティックギター弦
型番	P02146
弦のゲージ	カスタム
弦の材質	リン青銅
楽器	アコースティックギター
色	ミディアム・ライト(12-54)
表面処理	コーティングなし

Reviews

原**謙

期待通り

期待通りでした

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G**B

安いのに良い

価格で購入。ダダリオなんかと比べてもお安いので購入しました。音質はやはり違いますが良い音が出ます。好みにはまればとっても良い弦かと思います。

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通**ン

我が家の標準弦です

ダダリオのEJ16がフォスファーブロンズの標準弦的な扱いを受けているようですが、私にとってはこの弦の方が音質、寿命両面で評価が上で、おまけにこの価格ですからコスパも最高です。Medium Lightゲージが一般的なLightゲージの太さなので注意が必要です。

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ず**み

発音のはっきりした良い音

低音の解像度が高く音がこもる感じがない。出音も大きくて弾いていて気持ち良い。カポを使用しても出音は変わらず良い。色々試してみたが、暫くはこの弦に落ち着きそう。早速追加購入。

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A**ー

高品質で安く、素直でコントロールしやすい

素晴らしい出音の弦。品質が安定しており、ピッチも正確。張ったあとの安定も速い。しかもちょっと安い。ダダリオやマーチンのPBに比べて微かにテンションが弱めでコントロールしやすく、かつコーティング系の弦、特にElixir等にみられるようなシャリシャリした味つけがないため、どんなギターでも使いやすいのではないかと思います。手持ちのAsturiasのいくつか、Grand solo CR, EC pre-warのトップ材の違う2本に張ってみましたが、スプルースにもシダーにもよく合います。ギターの特性を邪魔しません。音の芯が優しく、低音は分離よく、全体的に甘く伸び、中高音はレスポンスがよく指の動きにしっかりと追従して歌ってくれる印象でした。ブロンズ版はPBに比べてちょっとぶっきらぼうと言うか、奥行きが少なくなる感じです。プレイスタイル的にフラットピックでざくざく弾く人向けだろうか。ともかくとても良い弦だと思います。すでに乗り換えて何年か経ちますが、ErnieballはSlinkyのイメージが強く、フィンガーピッカーには縁遠いだろうと敬遠していました。もっと早く試せばよかったなあ。 645mmスケールだと Medium lightよりLightを使ったほうがコントロールが容易で好みでした。632mmだとむしろMedium lightが好き。Lightだと押弦圧力を弱めに調整しないとピッチがズレる。演奏時間が長い人の場合は Everlastだろうがこれだろうが芯線の変形による寿命がサビよりも早く来ますので、さほどコーティングの恩恵を受けられません。保管時間が長い場合は Everlast、そうでない場合は Earthwoodをおすすめします。

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G**L

Good strings

It was very good. I got this as a replacement for my friend’s guitar strings and she said it was very good so that’s a 5/5

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D**N

Bom

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G**T

値段は安いが、それなりの品質。

古くからある安心メーカーであり、値段が安いので何十年振りに買ってみたのですが、弦の表面が少しザラついて、弾きにくかったです。1〜3弦のピアノ線が腰が無く、それが音にも現れている印象。

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Z**N

Classic

Classic good strings

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M**N

Good sounding strings

Original

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S**E

yes

high wuality, long lasting, smooth sound

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Z**R

Excellent 10/10 🎸

These acoustic strings are top-tier quality at an unbeatable price! The fast shipping meant virtually zero downtime, and stringing up my Baby Fender took less than 10 minutes from start to finish. They brought out a rich, vibrant sound on a smaller-scale body and feel great under the fingers. You won't find a better deal for quick, high-quality replacement strings!

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S**S

Top

Efficace a chaque fois

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€ 15.74

Duties & taxes included

In stock

Sold byAmazon CyprusDelivered 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 Cyprus.

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