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名器を自作 自作用プリアンプ基板 JBL SG520/SA600(プリ部)世界の名器に挑戦と同一配列基板 基板のみ
 
        

  • Product Quantity
    : 1
  • Starting Bid
    :3,300円
  • Highest Bidder
    : / Rating:
  • Listing Date
    :2026年01月19日 16時27分
  • Bidding closes on
    :2026年01月25日 21時26分
  • Auction Number
    :c1206402175
  • Condition
    :New product
  • Automatic Extension
    :No
  • Authentication
    :No
  • Early Closing
    :Yes
  • Can I return the product?
    :no
  • Description
  • Q&A ()
  • Cost Estimator
  • Problem Item Response Procedur
Notes
  1. Plug-in electrical appliances are only shipped by air (shipping by sea requires commodity inspection)
ご覧いただきありがとうございます。 
 
高い評価のプリアンプSG520コピー器をあなたの手で作ってみませんか? メインアンプ基板SE400s(自作基板)と組み合わせると、SA600に(ほぼ)なります。 
このSG520基板は、CQ出版・世界の名器に挑戦に掲載されているプリント基板(と、JBLサービスマニュアル)を元に作ってみました。 ほぼ、原図通りですが基板が大きく(約10㎝x20㎝)ほぼ・ほぼイコライザー(EQ)部分とフラット(トーン回路)部分に分けてあります(写真参照)。 

名器に挑戦のプリント図面の転写基板ではありません(部品の位置、パターン配列は合わせています)。
部品配列は、原図通りに(名器に挑戦)トランジスターはE・C・Bの配列です。
* 金属皮膜抵抗と黒のコンデンサーで試作したため地味な、寂し気な基板に映ってしまいました

世界の名器に挑戦の記事内容より抜粋です
岩崎千明  JBLSG520SE400   SA600
「透明な再生能力で、・・・・互角の能力示し・・・低音での迫力にも常用出力では充分満足できる」と、評価されていました。
*オリジナルのSG520は、ゲルマニュウムトランジスタらしいです。 が、シリコンでも善いかなと思います?
*基板のみです。
*2枚1組(ほぼ・ほぼEQアンプとcontrolアンプ L/R ステレオです)。
*接続部分は、電源とアース(Grand)部分です。 信号での接続はありません。
*簡単ですが、基板図と回路図、部品表等 組立の説明書を付けています。
DVD(又はCD)データー/組立資料、データーをDVDデーターでお渡しします。(元資料によっては経年により変色・退色などによりプリンター印刷では、文字が読み難い事もありDVD盤でお渡しします、何せ、50年以上経過しているのもあるもあるのでご理解を  m(__)m )
The product has been closed, and you cannot ask questions.
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Product Price JPY
Japanese Consumption Tax(10%) JPY

A 10% consumption 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.my 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: 名器を自作 自作用プリアンプ基板 JBL SG520/SA600(プリ部)世界の名器に挑戦と同一配列基板 基板のみ
    Notes:
    Customer service hours:
    • Monday to Friday 10:00-18:00
    Customer service hotline:
    Customer Service Email: service@letao.my