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Yahoo Bid Home Appliances, Audio & Video, Camera Audio Equipment Amplifiers General Mark Levinson
TONACTIV ML-1L用 MCボード、MC-12、+イコライザボード、D-9(MC/MM切り替え付き)、新品
 
        

  • Product Quantity
    : 1
  • Starting Bid
    :52,800円
  • Highest Bidder
    : / Rating:
  • Listing Date
    :2025年12月20日 22時58分
  • Bidding closes on
    :2025年12月27日 22時58分
  • Auction Number
    :w1206455138
  • Condition
    :New product
  • Automatic Extension
    :No
  • Authentication
    :Yes(Description)
  • 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)
TONACTIV ML-1L用 MCボード、MC-12、+イコライザボード、D-9(MC/MM切り替え付き)、新品

ML-1L用のMCボードです。。

ローノイズJFETを贅沢に8個使用した基板です。
マークレビンソンオリジナルのMCボード、JC-1 SMとは回路が異なります。
オリジナルは、バイポーラトランジスタを使ったコンプリメンタリのベース接地回路のようです。
入力にバイアスを掛けるために1000μFの大容量電解コンデンサを2個/ch使っています。
ローノイズが売りですが、音質はこのコンデンサが悪い影響を及ぼしているはずです。
それにフィードバック回路を付けているようです。
出品の基板はJFETを使っていますので、入力にコンデンサは入りません。
差動のコンプリ接続で対象回路になっています。
2段構成になっており、2段目はバイポーラトランジスタで、DC出力しており出力側にもコンデンサはありません。
使用JFETは、2SK364(又は366)と2SJ107です。有名な2SK170と2SJ74のパッケージ違いです。
抵抗は全てDALEを使用しています。
電解コンデンサは、MCボードがMUSE(KZ) 、イコライザボードがオーディオ用一般品のKWです。
元々のMCボードもそうですが、このMCボードもイコライザ基板と共にハイゲインイコライザとなっています。
MCアンプ動作とスイッチでMM用イコライザアンプに切り替えできます。
入力抵抗は、各種切り替えができます。
入力容量切り替えは2種類です。
MCアンプゲインは、4種類の切り替えが可能です。
MMのゲインは固定です。
入力抵抗切り替えのスイッチ3個を全てOFFすると、MM用の入力抵抗になります。
音出し確認は、マークレビンソンオリジナルモジュールを搭載したML-1Lで行いました。
写真撮影は、別のML-1LでTONACTIVのモジュールを積んだもので行っています。
この出品の基板の前の基板(MC専用、MMとの切り替え無し)を数名の方に試聴していただきました。
中域が濃く張り出しが良い、との感想をいただきました。
私のところでは、楽しく音楽が聴けます。
デジタルは正確な情報量の多い音ですが、このMCボードを使って鳴る音は多少加工された感じがするものの長く聴いていたいと思わせる音が出ています。
デジタルが精密画、このMCボードを使って聞く音は太い筆で大胆に書いたおおらかな絵のようです。

入札時はよく検討をされて、返品、文句等々は何にも無しでお願い致します。
送付は、レターパックプラスです。
東京都からの出品です。よろしくお願いいたします。

   安い物をご希望の方、ネットショップ tonactiv.jp に試作品を半額で出しています。
   ただし色々と制約アリ、特にMM/MCの切り替えが無く、MC専用です。
   MMを使う場合はイコライザ―ボードを元に戻す必要があります。

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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
Singapore Package Import: Customs and Tax Policies
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: TONACTIV ML-1L用 MCボード、MC-12、+イコライザボード、D-9(MC/MM切り替え付き)、新品
    Notes:
    Customer service hours:
    • Monday to Friday 10:00-18:00
    Customer service hotline:
    Customer Service Email: service@letao-holdings.com