All the tubes light up (4). Dont know what the switch on the top or the battery in the back is for. The item “Rare Vintage Swan 1200X Cygnet Ham Radio Tube Linear Amplifier” is in sale since Sunday, April 19, 2020. This item is in the category “Consumer Electronics\Radio Communication\Ham, Amateur Radio\Ham Radio Amplifiers”. The seller is “this*n*that4u” and is located in Sacramento, California. This item can be shipped worldwide.
- Brand: Swan
- Type: Linear Amplifier
- UPC: DoesNotApply