One owner,like new condition.These are the most powerful Shindo amps ever made : 2 x 70 W in class A. Comes with original tubes + 2 full sets of input ( identical as the original ones ) and output EL34 SIEMENS NOS TUBES, and even 2AL3 tubes not shown on the pics ( power supply regulators ) so total of :- All original tubes- 4 x 2AL3 tubes-16 input tubes-16 Siemens NOS Power tubesAll tubes tested. This is a US$1900 value.