Q Four Track Cased ControllerThe Model Q is the best selling four track mains powered controller available today. It represents good value for money as it offers all the features associated with GAUGEMASTER control such as smooth running, impressive slow speed characteristics, a 16v AC output for accessories, 2 x 12v DC outputs, again for accessories but most impressively four track control from the one unit. This enables the operation of large, main line model railways and gives