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JDirectItems Auction Hobbies & Crafts Musical Instruments Guitars Electric Guitars Guitar Amplifiers Head
■ 自作 真空管アンプ ヘッド EL84 シングル 現状品
        

  • Quantity
    : 1
  • Starting Bid
    :20,000円
  • Highest Bidder
    : ジョージ / Rating:116
  • Start Time
    :Aug 15, 2026 23:00
  • End Time
    :Aug 21, 2026 20:51
  • Auction ID
    :m1240831433
  • Item Condition
    :Damaged and stained (specify in description)
  • Auto Extension
    :Yes
  • Authentication
    :Yes(Description)
  • Early Close
    :Yes
  • Return Accepted
    :no
  • Description
  • Q&A ()
  • Estimated Cost
  • Report an Issue
先日、オークションにて「自作品」というものを入手しました。
出品者が製作者本人ではないため、詳細は不明です。

パイロットランプがないので不便だと思ってましたが、POWERをONすると青いLEDが点灯します。
激歪みというレベルではありませんが、思ったよりも歪みます。
ただ、ある程度の音量を出すにはGAINも上げる必要があるため超クリーンは不向きです。
EL84のシングルは出力5W程度のため、「フルアップが体験しやすい」真空管アンプと言えそうです。
(許容できる音量はご家庭の環境により異なります。また、各部に負荷がかかるためおススメはいたしません。)

真空管の劣化具合は不明ですが、特に気になるノイズはありません。
SEND/RETURNにリバーブを繋いだところ、心地よくかかりました。しっかり機能しています。
8Ω、16Ωの出力は試しましちゃが4Ωは未確認です。

真空管の構成は次のとおりです。
EL84 1本
12AX7 2本(貴重なタングスラム製だと思います)
回路のことは詳しくありませんが、FENDERではなくマーシャル、VOX辺りをお手本にした回路構成ではないでしょうか。

真空管を交換してみたり、詳しい方はパーツの定数を変更して遊んでみてもよいかもしれません。
今どきのペダル1個分と考えたらお安いと思います。
経験豊富な腕のよい製作者さんがお作りになったもののように感じます。
劣化したパーツの交換も容易だと思いますので、一生もののアンプになるかもしれません。
ただし、当方では何の保証もサポートもできませんので、完全にノークレームノーリターンでお願いいたします。

出品物:アンプヘッド、ACコード
段ボール梱包し、「ゆうパック おてがる(80サイズ)」でお送りします。

※以上のようなお品です。隠れた瑕疵があるかもしれません。
 また、輸送中の振動などで音が出なくなるなど、出品時と状態が異なることも考えられます。
 相応の技術、知識のある方にお勧めします。
 くれぐれも「現状渡し」「現況優先」、ノークレームノーリターンでお願いいたします。
 入札の際はキャンセルのない様、十分注意なさってください。
 迅速なお取引きのできる方を希望いたします。


(2026年 8月 16日 14時 42分 追加)
入手時に撮影した内部配線の写真がありましたので追加しました。
また、現在は外してありますが、裏側には金網パネルが付きます。
The product has been closed, and you cannot ask questions.
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Product Price JPY
Japanese Sales Tax(10%) JPY

A 10% Sales Tax is applied to goods and services in Japan. The price may include the tax or it may be added separately. Please check the price details when ordering.

Note: This is a domestic sales tax applied within Japan.

Japan Local Shipping Fee JPY Japan Local Shipping Fee Reference
Product Weight KG The maximum weight limit is 30 kg
International Shipping Methods
Proxy bidding and purchasing services are becoming increasingly convenient. However, overseas shopping carries certain risks and issues. To reduce these risks and enhance shopping safety, please be sure to read the following information:

1. International Shipping

   Air Freight: If the item status is not confirmed within two days after the arrival notice, any customer complaints cannot be addressed with the seller.

2. After Receiving the Product

Please confirm and inspect the product as soon as possible to ensure that the product specifications, quantity, accessories, and description are correct

If, unfortunately, there are any issues, you can refer to the following examples on how to report related product problems:
1. Example of missing product information
2. Example of product not matching provided information
3. Example of damaged product information

Important Notes: 1. If the seller is unwilling to ship overseas or is unaware that the product will be shipped overseas, the international shipping cost for returns or exchanges will need to be borne by the member. You may refer to the EMS e-Express fee inquiry from the post office. If it involves alcoholic beverages or items that affect flight safety, the post office cannot be used for shipment, and only DHL can be used to ship back to Japan.
2. During the product complaint handling period, please retain the complete outer packaging of the product (including the shipping label information), and refrain from attempting any repairs or altering the original condition. Any modifications may result in the inability to process the case.

3. After Inspecting the Product

After receiving and inspecting the item, if you have any questions, it is recommended to contact Letao within 2 hours. Here are some reminders:

1. Please do not unpack, use or repair the received item yourself, and be sure to keep the original packaging to facilitate subsequent handling of related matters, so as to avoid changes to the item that may cause the seller to be unwilling to process.

2. You can call customer service, and the customer service will leave a message for you as below. Please provide the following information:
"Hello, we will first help you establish a complaint case for Product ID: _______ .But we need you to 2-3 clear photos of the product issue, including photos of the product problem, product packaging, shipping details slip, and outer box. Send them to service@letao-holdings.com and inform us of your desired resolution (failing to provide this may result in an inability to process subsequent matters). After sending the email, notify us in the customer service message. We will confirm with the seller as soon as possible. and if there are any related questions, we will contact you through the customer service message. Thank you for your cooperation."

Please provide:
1. "Product ID"
2. Photo of the "Delivery Note" (if any)
3. Photos of the outer box (including inner and outer packaging)
4. Photos of the product (Please include relevant descriptions to help us confirm with the seller)

Important Notes:
1. Do not include foreign text or other products in the background of the image.
2. Please keep the complete product packaging (including the shipping label information), and refrain from repairing or altering the original condition on your own, as any changes may result in the case being unable to be processed.
3. Please provide the relevant information within 48 hours to avoid missing the golden hour for reflection and causing situations that cannot be handled.
4. Due to 99% of Japanese sellers being unwilling or unaware of shipping goods overseas, if a seller is willing to handle the issue, the goods must be sent back to Japan, and the international shipping costs incurred must be borne by the member. Letao will use postal EMS international express to send the goods back to Japan.
5. As the goods are purchased from overseas, it may take approximately one to two weeks to complete the relevant processing procedures when issues arise with the goods. Please be reminded that you can inquire about the approximate cost through the EMS service at the post office.

4. FAQ

1. Issue of Authenticity: If antique or branded goods are found to be counterfeit upon receipt, clear photos showing the differences between the genuine product and the imitation must be provided as evidence. If unable to provide relevant proof, assistance can be sought to find a third-party reputable organization for a premium authentication service .
2. Leaking Iron Teapot: If an antique iron teapot is leaking, please take clear photos of the leaking area and provide them.
3. Transport Damage: If the goods are damaged during international shipping (to the pickup point), you need to provide photos of the outer packaging of the parcel and clear photos of the damaged goods' outer packaging.

※ Note: Photos provided to sellers should not contain any foreign-related information.
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    Product name: ■ 自作 真空管アンプ ヘッド EL84 シングル 現状品
    Notes:
    Customer service hours:
    • Monday to Friday 10:00-18:00
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    Customer Service Email: service@letao-holdings.com
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