Sequence of model SEDs for quasars, varying the accretion disk luminosity L_D (and hence, the jet power L_j = f_jL_D), while adjusting the magnetic field to equipartition with the relativistic electrons in the jet. The curves are labelled by the value of L_D. The black dotted, dashed, dot-dashed, and dot-dot-dashed lines indicate the individual radiation components adding up to the total spectrum with the highest L_D = 10⁴⁶ erg s^-1. This sequence yields the points shown as blue filled squares in Figs. 8–10.