The "A" Size HO scale signs are 0.69" wide X 0.36" tall. Choose from a wide array of designs configured to these dimensions in 3 frame styles: Panel, Open, & Grid.
To power your signs, see our collection of Regulated DC Power Supplies. Please note, not all color signs have the same brightness intensity at the same voltages. We recommend the following voltages for a consistent appearance across the colors:
7.5VDC for colors Red, Green, & Amber
9.0VDC for colors Blue & White
12.0VDC for Yellow
12.0VDC max. for All colors or if you are using the PWM Dimmer Module
