Overview The ABC Electronics 250 Plus is a vintage tube-type linear amplifier designed for 11-meter CB and 10-meter amateur radio operation. Produced during the CB radio boom of the 1970s, it is a base-station amplifier using multiple sweep tubes to … Continue reading →

Overview ABC Electronics was a name used by a small manufacturer associated with Citizens Band (CB) radio accessories, particularly RF power amplifiers. The company is believed to have operated in the United States during the 1970s CB radio boom. Documentation … Continue reading →