Astatic N471-sd, Decca / Pageant MA-110-DS, Duotone 589DS, Electro Voice EV 2810DS, EV 2811DS, Fife 2100, Fidelitone AC134D1, Jensen M46, M47, M48, M49, M50SD, Magnavox 560138, 560153, 560157, 560157-2, 560167-1, 560157-1 560157-3, P fanstiehl 556-SS13, 556-DS13, Recoton 396SD, 327, 394, 395, M313SS, Transcriber P-7, Walco W52DS, W51.