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Yahoo Bid Home Appliances, Audio & Video, Camera Audio Equipment Amplifiers General Pioneer
隠れた名機 【動作品・美品・希少】Pioneer A-838 プリメインアンプ
        

  • Product Quantity
    : 1
  • Starting Bid
    :10,000円
  • Highest Bidder
    : hiv******** / Rating:185
  • Listing Date
    :2026年02月23日 13時52分
  • Bidding closes on
    :2026年03月01日 20時36分
  • Auction Number
    :m1220614945
  • 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. The seller does not provide return compensation and other responsibilities
  3. It is possible that the product can only be picked up by yourself, and the self-pickup fee is quite high, please check the page to confirm
  4. Please note: Sellers with a rating lower than 50 or an overall rating lower than 98% cannot provide compensation for non-arrival of goods. Please choose a reputable seller.
多くのオークションから御覧頂き有難う御座います。

Pioneer A-838動作品の出品となります。

【外観】
左ウッドパネルに傷など御座います。
ウッドパネルの傷以外は美品の商品です。

【メンテ】
・スピーカー出力リレーのクリーニング
・各ボリュームなどのクリーニング
等を実施しています。
動作に関しては問題ありません。

【特徴】
当時のオーディオ市場でヒットした他社モデルに対抗するため、圧巻のツイントランス・大容量コンデンサー・MOSFET放熱板のハニカム構造にし放熱効果の向上と上面のグレーチングのハニカムなど性能と外見に重視し原価費用を惜しみなく投入開発され、発売当時はその贅沢な設計で注目を集めました。
当時(1989年第5回)の音楽雑誌FMfanに掲載されましたが長岡鉄夫氏からダイナミック大賞を受賞した逸品となります。
Pionnerらしい低音、中音、高音と安定したサウンドを奏でています。

ダイレクト・コンストラクション
信号経路を最短にするため、各信号ブロックが最適に配置されています。入力端子の近くにセレクターやボリュームを配置し、パワーアンプ部の出力はスピーカー端子へ直接つながるよう設計されています。ソース・ダイレクトスイッチをオンにすると、信号は前面パネルを経由せず最短で送られます。
徹底した防振・無共振化対策
外部からの振動やアンプ自身の振動を抑えるため、ハニカム形状の構造が随所に採用されています。トランスフレームやシャーシ、ボトムプレート、ヒートシンク、インシュレーターなど、様々な箇所にハニカム構造が使われ、振動対策が徹底されています。特に、電源トランスはうなり現象を起こしにくくする工夫がされており、リアパネルや底板には銅メッキ部品が使用され、電歪みや振動を防ぐ効果があります。

回路設計
デジタルソースに対応するため、回路、構造、物性といった基本的な視点から見直され、ノン・スイッチング・サーキットタイプIIIが採用されています。

イコライザー
独自のNF-CR型回路を採用し、中高域の安定動作を実現しています。低ノイズのHi-gm FETを使用することで、S/N比も改善されています。

画像入出力
オーディオ機能だけでなく画像の入出力機能を備えています。
HDMI端子が実装されていません。
AmazonでHDMI変換ケーブルにて画像・出音しておりました。
"
LUYING HDMI TO RCA3 変換ケーブル 金メッキ 赤白黄蓮 HDサウンドビデオ セットトップボックス線 1.5m"
を参照ください。

重厚な構造
このクラスのアンプとしては異例の重厚な作りで、パイオニアのこだわりが感じられるモデルです。

【製品紹介】
以下のaddを参照ください。
https://audio-heritage.jp/PIONEER-EXCLUSIVE/amp/a-838.html

36年前のビンテージ・メンテ品の為、ノークレーム・ノーリターンでお願いします。

本アンプは重量品(単体重量:28Kg)であり佐川便のラージ便にて発送致します。
また、当方で輸送を担保致します。
また、直接引取りも可能ですのでメッセージから連絡ください。
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After the seller responds, the original page will display the question
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: 隠れた名機 【動作品・美品・希少】Pioneer A-838 プリメインアンプ
    Notes:
    Customer service hours:
    • Monday to Friday 10:00-18:00
    Customer service hotline:
    Customer Service Email: service@letao.my