Lab electronics presents black and white tv dynamic demonstrator [model-z1], which is a comprehensive trainer. In this trainer all importance has been given to understand the practical aspects of television receiver. All circuits are mounted on a single pcb. Hence, all wiring mistakes are totally eliminated. Therefore the performance of the trainer is greatly enhanced. However, performance of tv trainer can vary in operations compared to commercial tv receivers. Weight of the demonstrators is [approx.] 35kgs. Power: 230vac - mains operated