Vintage Sony stereo integrated amplifier. Unit has been recently serviced What has been done to the unit is the following : -Completely renewed the right Audio End-Stage. -Replaced all Power Transistors. -Replaced all Driver Transistors. -Replaced all Signal Transistors. -Recalibrated the bias. - Partly recaped the Phono Stage. Last picture are the components that have been replaced. If you planning to obtain a long lasting device this might your chance. Such service comes with a cost to invest in a device and enjoy music for another decades. All pictures are original of this lot and part of description so what you see is what you get !