Stumbled across this accidentally.
www.jauce.com
Now available from Japan.
I'm not into vintage repairs and don't know Japanese. But maybe this is something worth saving for the quad community before it gets dumped?

4チャンネルアンプのすべて 奥沢清吉 誠文堂新光社 | Jauce Shopping Service | Yahoo Japan Auctions. eBay Japan
Jauce is an auction & shopping service for buyers from outside Japan. Buy from Yahoo Japan Auctions (Japanese equivalent of eBay), Amazon Japan and Rakuten by using Jauce, and have them shipped to you internationally.
I'm not into vintage repairs and don't know Japanese. But maybe this is something worth saving for the quad community before it gets dumped?

