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Yahoo Bid Home Appliances, Audio & Video, Camera Audio Equipment Amplifiers Tube Amplifiers Main Units
Chriskit Mark Ⅵ Custom 改 メンテナンス済み
        

  • Product Quantity
    : 1
  • Starting Bid
    :1,000円
  • Highest Bidder
    : オーディオファイルNo.35 / Rating:1184
  • Listing Date
    :May 06, 2026 11:40
  • Bidding closes on
    :May 13, 2026 20:34
  • Auction Number
    :u1228950169
  • Condition
    :Damaged and stained (specify in description)
  • Automatic Extension
    :Yes
  • 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)
  2. Faulty product, please pay attention before subscribing
クリスキット 最後の真空管プリアンプ Chiskit Mark Ⅵ Custom
桝谷英哉氏が3年かけて設計された真空管プリアンプ。イコライザー段はマッキントッシュ C-22を基本、シャーシー構造は2層構造の採用でクロストーク向上、音の濁りの排除を実現。
今回、以前から興味があったこのプリアンプを、当オークションでジャンク扱いの製品を入手し、手直しのため、分解、メンテを行いました。分解作業をしていて、このプリアンプの素晴らしい構造、使用部品のクオリテーを実感。しかし、販売は1970年代と、半世紀が経過しているため、部品の劣化が見られ、部品の交換と、出来るだけシンプル化を図って下記のようなメンテと改を行いました。
①オイルコンデンサー(現在では、なかなか入手困難な状況)を西ドイツ製の音質で評価のあると思われるフィルムコンデンサーに交換
②チュウブラー型の電源コンデンサーで劣化が認められたコンデンサーを音質を考慮し、秋葉原の海神無線で扱っている電解コンデンサーに交換(バリエーションに限り)
③ボリュームをロータリー型の可変抵抗器に交換、バランスボルームをALPS製のMN型ボルームに交換
④信号系統をできるだけシンプルにするため、ライン入力にあるレベル調整用のボルームを排除、出力のインピーダンス対応のスライドSWを排除
RCA入力端子を金メッキ品に交換
⑥ライン入力をTUNER,CD,AUXの3系統に、TEPE モニター 切替SW、 STEREO MONO 切替SWに改
⑦AC電源入力を3Pのインレットに交換

最近、当オークションでオリジナル部品と思われるプリアンプをゲットし、オリジナルの音質を確認しました。半世紀も経過しているせいか、かもしれませんが、音の輪郭の切れが若干少ないのかなとの印象(個人の見解)。それにたし、今回のメンテナンス済みのアンプは音の分解能が増したように思われました。(個人的な見解)

主な仕様:
真空管 12AX7 4本、12AU7 2本
PHONO 入力(MM) 2系統、LINE(TUNER,CD,AUX) 3系統
サイズ W460×H160×D270mm 質量7.6kg

メンテ済みですが、あくまで中古品につき、汚れ、キズ等がありますので、ご理解ください。
したがって、NC,NRでお願いいたします。


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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
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: Chriskit Mark Ⅵ Custom 改 メンテナンス済み
    Notes:
    Customer service hours:
    • Monday to Friday 10:00-18:00
    Customer service hotline:
    Customer Service Email: service@letao.my