Heathkit SB-220 linear Amplifer Cosmetically clean. [NOT WORKING] for parts only. Has Harbach upgrade. was tuning it up into a dummy load when suddenly an internal Flash. It went dead. I don\'t see any obvious burns, I\'m not able to repair or diagnose. SELLING AS IS. For parts. Local pick-up or will pack and ship CONUS ONLY. $20.00 EXTRA if you want tubes separate. Pack and Shipping for $75.00 + Extra if tubes separate.