ITT T230W, Danish speakers looking astonishing and sounding beautiful. They were pretty beat up. I coated the paper surrounds and fixed holes/tears, installed new terminals, 3D-printed new emblems, added a new layer
ITT - HiFi 80 92B phase linear - Speaker set - Catawiki
Rare Vintage 1970s ITT Schaub Lorenz B 3 / 18 Lautsprechebox German Speakers | eBay
Pair of ITT 4" Speakers - LP 100/19/105 FP - 4 Ohm | eBay