The Otari DP-4050F series cassette copier is a compact duplicating system for audio compact cassettes. The DP-4050F series can duplicate cassettes at the copy rate of 8 or 16 times. DP-4050E-Z Buffer Unit When expanding into a large slave system, the DP-4050-Z is needed as a bias signal buffer unit. While 1 unit can drive an additional into 6 DP-4050F-Z3s, a maximum of 3 DP-4050F-Zs can be connected in a single system. [DP-4050F Top] [DP-4050F-C2] [DP-4050F-Z3] Specifications are subject to change without notice or obligation.