![The Robb Collections: PROTON Audio, NAD and Dynaco are Cousins. Inventor of Dynamic Power on Demand Amplifiers. The Robb Collections: PROTON Audio, NAD and Dynaco are Cousins. Inventor of Dynamic Power on Demand Amplifiers.](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgNbiakrVahGAyo8D3Lfg33hObrn2dqFK4_TylcZamsX1PO970C5ftWjQCqKeWiZZMY1P_hMxqPUwfH43GcAZ6GBp_hsavStksr4MAoWhOHYohBB8KCByMk0oYmEc23ti3YJdFY9Y5M8G0/s1600/PRTN+CAT+04.jpg)
The Robb Collections: PROTON Audio, NAD and Dynaco are Cousins. Inventor of Dynamic Power on Demand Amplifiers.
![Made in the 70's on X: "Proton AA-1150 (1987-91) Stereo Power Amplifier 50W per channel into 8Ω (stereo) (photo: Starigáň Jogi) #proton #vintageaudio #vintage #retro #hifi #gear #analog #audio #equipment #amplifier https://t.co/Nj9qrnvimz" / Made in the 70's on X: "Proton AA-1150 (1987-91) Stereo Power Amplifier 50W per channel into 8Ω (stereo) (photo: Starigáň Jogi) #proton #vintageaudio #vintage #retro #hifi #gear #analog #audio #equipment #amplifier https://t.co/Nj9qrnvimz" /](https://pbs.twimg.com/media/GFmRg2RXIAAfuPE.jpg:large)
Made in the 70's on X: "Proton AA-1150 (1987-91) Stereo Power Amplifier 50W per channel into 8Ω (stereo) (photo: Starigáň Jogi) #proton #vintageaudio #vintage #retro #hifi #gear #analog #audio #equipment #amplifier https://t.co/Nj9qrnvimz" /
![The Robb Collections: PROTON Audio, NAD and Dynaco are Cousins. Inventor of Dynamic Power on Demand Amplifiers. The Robb Collections: PROTON Audio, NAD and Dynaco are Cousins. Inventor of Dynamic Power on Demand Amplifiers.](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjvJVUYfyBq3aM0-_kX-I40-vjoNk5eRrxRmrgzZvl_F1t3BamDyzFAP6W7HWe7o8p9rzgGzHXdGsfOvy1U6eMTbFVj_-5LnchBc4de4MlGNnlHh6bNDQ9NHUs34Zj8H8G1VUQ2tqxlWE8/s1600/PRTN+CAT+02.jpg)