Paladin, a firm engaged in developing targeted, receptor-specific peptide therapeutics for the treatment of diseases, agreed to acquire Spectra Audio Design, a provider of audiovisual engineering and installation services. financial terms were not disclosed. “We are extremely impressed with the high performance team that Spectra has built up over the years and we have no doubt the collaboration with Mick Barber’s existing US team will lead to quality solutions for our clients,” Ted Reid, Paladin Technologies President.