Tested and working perfectly- Meets original specs for power and distortion. Knobs are not original but are vintage Altec knobs. UNIT WILL BE PACKED VERY WELL AND INSURED FOR FULL VALUE. The item "Altec 350A Vintage Monoblock Tube Amplifier 6550 40 Watts.NEW PRICE" is in sale since Sunday, May 22, 2016. This item is in the category "Musical Instruments & Gear\Pro Audio Equipment\Vintage Pro Audio Equipment". The seller is "aaokc" and is located in Oklahoma City, Oklahoma. This item can be shipped worldwide.