sp6efy pisze:

https://www.ebay.com/sch/i.html?_from=R40&_trksid=p2380057.m570.l1313&_nkw=sl1611&_sacat=0

https://www.tme.eu/pl/katalog/wzmacniacze-operacyjne-tht_112844/?s_field=1000011&s_order=desc&id_category=112844&search=wzmacniacz+operacyjny&visible_params=2%2C367%2C10%2C383%2C35%2C397%2C32%2C3175%2C404%2C398%2C120%2C909%2C589%2C804%2C402%2C3025%2C3122%2C375%2C2526%2C370%2C2960&mapped_params=35%3A1437854%3B397%3A1494536%2C1494555%2C1494556%2C1444099%2C1494439%2C1514164%2C1494557%2C1514173%2C1514163%2C1494443%2C1494353%2C1444096%2C1494339%2C1444103%3B