Alternatively
UAD API 500 Series EQ Collection
191 » 9/10 » £229 Comprises the API 550a (with stepped knobs only) and the 560 graphic EQ Waves API 550 NA » NA » $249 Exacting recreations of both the 550a and 550b
UAD API 500 Series EQ Collection
191 » 9/10 » £229 Comprises the API 550a (with stepped knobs only) and the 560 graphic EQ Waves API 550 NA » NA » $249 Exacting recreations of both the 550a and 550b