最初の項目は常にピンの出典です。全体の確度は、各資料が上記の開始・終了時刻をどれだけ強く裏付けているかの加重平均です。最新の資料より180日古くなるごとに、重みは半分になります。
Forbes[4]' announcement piece (https://www.forbes.com/sites/marksparrow/2026/08/27/yamaha-extends-hi-fi-lineup-with-two-premium-compact-streamers/) states the WXA-70A was announced 27 August 2026 and 'will become available in November 2026' for $1,300. Only a month is given, so the pin is dated to 30 November 2026 as an estimate.
TWICE's report of Yamaha's[1] announcement states "The Yamaha WXA-70A Compact Streaming Amplifier ($1,299.95 MSRP)... will be available in November 2026."
Gear Patrol's own headline, 'Yamaha's[1] New Amplifier Promises to Revive Your Old Bookshelf Speakers,' published August 27, 2026, frames the WXA-70A's announcement roughly two weeks before the pin's stored September 8, 2026 date.
Forbes confirms the WXA-70A was announced August 27, 2026 and will become available in November 2026 for $1,300 - the announcement predates the pin's stored September 8, 2026 date, with actual shipping still pending at that point.
eCoustics' announcement article gives the WXA-70A's "55 W + 55 W (8 ohms...) 70 W + 70 W (6 ohms...)" output, its comparison with the 2016 WXA-50 ($599.95), 5.7 lbs weight, the $1,299.95 MSRP, November 2026 availability and the CEDIA Expo debut on September 2-4 in Denver.
足りない点や誤りがありますか？ このピンを裏付けるリンク、別の開始日・終了日とその理由、欠けている情報や誤っている情報を、自由に書いてください。AIがこのピンの出典と照らし合わせ、より良い情報源を探し、裏付けとなるページがあれば参考資料として追加します。ピン自身の出典が引き続き最も重視されます。
