RBL RECEIVER Various models may be National or WELLS GARDNER 15-600KHZ Power input 115V/230V 50-60 hz Bands 15-25Khz, 25 – 45 Khz, 45-80Khz, 80 – 155 Khz, 155-310Khz, 310 – 600 Khz. Uses 7 tubes: 3/6SK7, 6SG7, 6H6, 6K6GT, 5U4G. This radio utilizes a two stage TRF front end with regenerative detector. The used to be clear plastic over the dial needs to be replaced. Some have crazed and some has yellowed. We do not have connectors for this. Reproduction of manual available, see listing. Size 28.5 x 21.5x 17.5 high. Weight 84 lbs. Shpg Wt 93 lbs.