This is a beautiful set from the Reference Master series. The AM-73 has been completely taken apart and has been fully serviced and refurbished. The old transistors have a been replaced by Nichicon Finegold transistors and you can see the service and recap in the last part of the photo series. There is little to no user scratches and you will not find a better and more beautiful AM-73 than this one. Specifications Power output: 100 watts per channel into 8Ω (stereo) Frequency response: 3Hz to 100kHz Total harmonic distortion: 0.008% Speaker load impedance: 6Ω to 16Ω Digital inputs: coaxial, optical Dimensions: 461 x 177 x 452mm Weight: 17.7kg The At-93 is an excellent tuner with great reception. Type: Mono/Stereo Tuner Tuning Bands: FM, MW Tuning Scale: Digital Dimensions: 461 x 87 x 344 mm Weight: 6.3 kg The invoice or 430 euros of service and recap will be shipped with the amp and tuner.