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Japanese cross-border
超希少1968年式 山水SANSUI TU-777 現状品 サンスイ 電源確認済
Price
77500円
(Tax included)
S$77500
Specifications
Quantity
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Brand Name
SANSUI
Seller Rating
99.7% Good(331) Normal(1) Bad(0)
Condition
Damaged or stained
Shipping
Free shipping to Japan
Listed Time
2026-05-02 06:59:40
Updated Time
2026-05-02 09:02:53

超希少1968年式 山水SANSUI TU-777 現状品 サンスイ 電源確認済

1968年製 サンスイ TU-777
オリジナル回路図 付属

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以下 参考文献より

FETとRF2段4連バリコンのフロントエンドをはじめ、3段AGC、IF5段、リミッター4段などの他、最高級チューナーとして様々な機能を装備したFM/AMチューナー。

FMフロントエンドは、RF初段にジャンクション型FET、RF2段目とミキサー、オシレーター回路にはシリコントランジスタと4連バリコンを採用しています。

シリコントランジスタ採用のIF5段の中間周波数とリミッター4段で高増幅度、高安定度、低雑音、低歪率を誇っています。

フロントエンドに2段と、IF部には、特にAGC専用に非同調段を1段設けた3段AGCで、強電界での選択度も万全を期しています。
IF段とフロントエンドの電源はツェナーダイオードの安定化電源を採用し、特にフロントエンドは局発を完全に温度補償し、さらに電源の安定化で、局発ドリフトを最小限にしてAFC回路を除くことに成功しています。

ノイズキャンセラーには、従来のハイカット方式をやめ、周波数の高い可聴範囲をカットすることなく、ノイズを除くことができる新方式を採用することで、4段リミッターとあいまって、ノイズない快適な受信ができます。

メーターおよびミューティング専用アンプを特に設けると共に、同調指示にはグリーンリングのサーキュラーダイアルの大型メーターを採用して見やすくし、同調点をシャープにして電波の中心にあわせられます。

マルチ回路は、シリコン化を図った上、最も安定度、信頼度の高いスイッチング方式を採用して、チャンネルセパレーションを改善しています。
純電子式のFMステレオ・モノラル切替を搭載しています。

FM-AUTOではFM放送がモノラルからステレオになると電子スイッチが自動的に動作します。
FMアンテナは、ローカル・ディスタントスイッチで20dBダウンのアッテネーターを搭載しているので、アンテナに3V程度までの入力が入っても歪みません。
If you have any product-related questions for the seller, please type and send your message in the chat box below. Letao will process your inquiry within 24 hours during our service hours.
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Notes:

  • The billing weight will be based on whichever is greater: the actual weight or the volumetric weight.
  • Volumetric weight (kg) = Length (cm) x Width (cm) x Height (cm) / 5000
  • Common oversized and heavy items include: furniture, fishing rods, automotive parts, etc.
  • Consolidating 2 or more items will incur a "consolidation handling fee" (see price list for details)
    

Platform Transaction Rules:

1. Order cancellations and returns are not accepted for any reason. Please review the item description and seller ratings before purchase.
2. Each mercari item is shipped individually. Orders from the same seller will be processed separately, resulting in multiple handling fees and local Japanese shipping charges. Combined shipping is not available.
3. As mercari does not have a negotiation system, we cannot provide price negotiation services.
4. We cannot assist with purchases for items marked as "Buyer Specified," "Bundle Deals," "Requires Buyer's Agreement (Not Buy It Now)," or "Partial Shipping of Order."
5. Buyers cannot demand specific shipping methods from sellers. Shipping will be as per the seller's offered options.
6. Requests for early shipping, post-purchase price reductions, or transaction cancellations after purchase cannot be accommodated.
7. Once items arrive at our Japanese receiving point, buyer feedback must be provided and payment released to the seller. Feedback cannot be modified, and negative or no feedback is not permitted.
8. Refusal of items is not allowed after they arrive at our Japanese receiving point.

mercari Proxy Purchasing Guidelines

1. After the first payment is completed, the order will be processed within the system-displayed timeframe.
2. Items on the website may sell out at any time. Completing the first payment does not guarantee successful purchase of the item.
3. Once our Japanese receiving point confirms receipt of the item, our staff will immediately provide feedback to the seller and release the payment.
4. We cannot provide negative feedback or withhold feedback to sellers based on member requests.
5. If the seller uses a shipping method without tracking (e.g.,【普通定形外邮件】、【メール便】 etc.), we cannot provide compensation for lost items.
6. We cannot communicate with or inquire to sellers regarding issues with ongoing transactions, items in transit, or problems with items received at our collection point (errors, damage, discrepancies, etc.).
7. This website is not covered by our standard guarantees. Please consider carefully before making a purchase.

1. International Shipping

Air freight: If the arrival notice exceeds seven days and the status of the goods is not confirmed, a customer complaint will occur and the seller will not be able to report it.

2. local delivery

After receiving and inspecting the goods, if you have any questions, please contact Alfred 24 customer service staff within 48 hours after receipt, and let Alfred 24 make a decision. letao will try its best to provide relevant information to assist members in processing. The following are reminders:

1. You can leave a message through "Customer Service Message" and provide local express delivery in Order number and have the following information ready:
● Product outer box/unboxing photos
● Photos of damaged goods

2. Alfred24’s liability for any shipment, including but not limited to loss or damage, is limited to actual direct losses and shall not exceed the upper limit of HK$500 per shipment; if it is sent to a Post Smart Mail station or post office The maximum compensation limit for each shipment is HKD 320.

The following are product types that are not eligible for compensation by Alfred 24:
▲ The shipment is flammable or explosive, or is easily moldy, rotten and/or discolored, etc.
▲The shipment is fragile
▲The shipment is a liquid product
▲The recipient’s address is incorrect or invalid
▲The recipient’s contact number is invalid or the text message cannot be received
▲Any unpredictable or force majeure factors
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