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とても古いナス管各種15本セット一括(14本はエミッション合格)ジャンク扱い
        

  • Product Quantity
    : 1
  • Starting Bid
    :2,000円
  • Highest Bidder
    : trtr5962 / Rating:104
  • Listing Date
    :2026年04月24日 20時15分
  • Bidding closes on
    :2026年05月01日 21時14分
  • Auction Number
    :l1227726847
  • Condition
    :Junk (specify in description)
  • Automatic Extension
    :Yes
  • Authentication
    :Yes(Description)
  • Early Closing
    :Yes
  • Can I return the product?
    :no
  • Description
  • Q&A ()
  • Cost Estimator
  • Problem Item Response Procedur
Notes
  1. Radio-related products have commodity inspection issues. If you confirm that the product is for personal use, you can place a bid to purchase it.
  2. Faulty product, please pay attention before subscribing
  3. The page has a fragile description, and fragile items cannot be shipped by sea. They can only be shipped by air. If the goods are not fragile, they can be shipped by air.
  4. Batteries are considered dangerous goods under international shipping regulations and cannot be shipped.
とても古いナス管各種15本セット一括(14本はエミッション合格)ジャンク扱い
商品説明商品説明をよくご覧いただき、ノークレーム/ノーリターンをご了解いただける方のみ入札をお願いいたします。
スマートフォンからの方も長文で恐縮ですが、必ず商品説明をご確認ください

電子工作や古い真空管製品の製作・修復するのが趣味で、古典的なストレートラジオ製品等の修理修復用として長年買い集めていたものです
すべて中古品と思います
エミッション測定型簡易真空管試験機(HeathKit IT-21)にて確認し商品写真の通り14本は合格で1本はとても希少なマツダ製の空間電荷格子管UX111Bです(真空管試験機の試験データが無くまたヒーター電圧は1.3Vなので試験できませんでした、ヒーターの導通のみ確認済みです)
測定器では合格ですが入手後も長期保管品でもあり動作は保証できませんのでジャンクとお考え下さい
恐らく100年前後は経過していると思われる、量産され始めてごく初期のとても希少な真空管で今では入手困難かも知れませんが、私は今後使用する予定が有りませんので
同じような趣味の方、お探しの方、コレクターの方等が居られましたら、お譲りしたいと思います
ご利用・ご活用いただけると幸いです

【出品対象】
・1枚目、2枚目、4枚目(左端の一本、他はおまけ)の写真のナス型真空管合計15本(4枚目の写真の右側2本はエミッション不合格またはヒーター断線で使用不可と思いますが念のため同梱しておきます)が全てで、最後の写真の状態で封かんし、お送りします(真空管15本一括セット)
・エミッション測定の順番で付箋に番号を記載しており、内容は写真と下記のリストでご確認ください
当時は各メーカーにより品名や型番号がまちまちですが、ナス管と呼ばれている初期の真空管で、基本バッテリー駆動で使用されていたと思います
 1番 マツダ CYMOTRON UX-201-A (国産)1929/5/24のシール有り
 2番 DON UX-201-A (国産)
 3番 AMERTRON KX-112-B 整流管
 4番 CUNNINGHAM CX-301-A
 5番 CUNNINGHAM C-324
 6番 MACY'S 224
 7番 マツダ UY-224 (国産)
 8番 CUNNINGHAM CX-326
 9番 RCA TYPE 126
10番 CHANPION UX-226
11番 RCA UX-226
12番 ARCTURUS No.126 ブルーグラス
13番 De Forest AUDION427
14番 マツダ UY-224 (国産)
15番 マツダ UX111B (国産)検波増幅四極管・空間電荷格子管
・出品対象は1枚目、2枚目、4枚目(左端の一本、他はおまけ)の写真のナス型真空管合計15本が全て(不良と思われる2本を除く)で、他の写真に写り込んだ測定機等は含みません

【補足】
・3番のKX-112-Bについて
ナス管112Bはとても珍しいのではないかと思います(ST菅の12Bは見かけます)
・15番のUX111Bについて
真空管マニュアルで調べるとこの真空管はヒーターが1.3V0.08AでEb(プレート電圧)は20Vとなっています
検波増幅四極管で、空間電荷格子管といわれる乾電池で動作させていたと思われます
とても珍しいので入手しましたが、一度も試す機会が有りませんでした
従って動作するかどうかも不明です(ヒーターの導通は確認済みです)

【状態】
・手持ちの簡易真空管試験機(エミッション測定型真空管試験機HeathKit IT-21)で、全数エミッションの測定をしています
・測定状況は5枚目から8枚目の写真でご確認ください
・梱包時各真空管は適当な箱に収め(1番 マツダ CYMOTRON UX-201-Aは元箱と思われます)上部に測定順の番号を記した付箋を貼り付けています
・各真空管のソケットベースにも測定順の番号を記した丸いシールを貼り付けています
・エミッション判定型の試験機なので完璧な良否判定ではないと思います
・ソケットベースと真空管の接着が緩んでいる物が散見されますが修復等手を加えず入手時のままにしています
・ソケットピンに少し腐食が見られるものも有ります
注意事項・出品対象は・1枚目、2枚目、4枚目(左端の一本、他はおまけ)の写真の真空管15本が全てで、他の写真に写り込んだ測定機等は含みません
・とても古い物で入手後長期間保管したままだったものです
・測定器確認のみで実働確認はしていません
・実用でも動作するとは思いますが、保証できないためジャンクとお考え下さい
・写真でご判断いただき十分ご検討ください
・ご利用になる場合の万一の事故等には責任を持ちかねます、ご使用は落札者様の自己責任で十分注意をお願いします
・既に梱包済みのため現物確認が必要なご質問にはお答えできません
・個人で不用品をお譲りしておりますのでインボイス等は発行いたしません
・付箋は取り外し易いようマスキングテープで止めています、長期間放置すると固着すると思いますので早めに取り外してください
発送詳細既に梱包済みのため、取り置きや同梱対応はご容赦ください

発送は少しでもお安くと考え、匿名配送になってしまいますが「おてがる配送(ヤマト運輸)宅急便(EAZY)」出品者負担(送料無料)でお送りいたします
梱包は最後の写真の通りで再利用のダンボールやエアキャップで包むのみで失礼します
この出品は梱包サイズで80サイズで重量は1.5キロです
支払方法Yahoo!かんたん決済
こちらの商品案内は 「■@即売くん5.40■」 で作成されました。





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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.

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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: とても古いナス管各種15本セット一括(14本はエミッション合格)ジャンク扱い
    Notes:
    Customer service hours:
    • Monday to Friday 10:00-18:00
    Customer service hotline:
    Customer Service Email: service@letao.my