reverse polarity protection
Use 9V battery or 12 VDC
Use this for added safety when operating in a multi-station contest environment and when another station is nearby
not an open frame phonograph motor
ALS-600SY, 600WATT SOLIDSTATE SPS, W/10M, 110VAC ,EXPORT Amplifier Accessories reverse polarity protectionNo tuning, no fuss, no worries just turn on and operate includes AC power supply, 600 Watts output, continuous 1. 5 22 MHz coverage, instant bandswitching, no warm up, no tubes to baby, fully SWR protected, extremely quiet, very compact Ameritrons revolutionary ALS 600 is amateur radios ONLY linear amplifier that uses four rugged TMOS RF power FETs gives unequaled no tune solid state performance. Includes Ameritrons no tune FET Amplifier and a 120 220