National Panasonic SA-73 Amplifier The National Panasonic SA‑73 (produced circa 1970–1972) is a robust Japanese-built stereo integrated amplifier known for its solid-state OCL (Output Capacitor-Less) circuitry and capable power performance. Designed for high-fidelity audio enthusiasts, it offers flexible source switching, tone control, and built-in protection systems—all in a classic retro aesthetic To deliver this product properly, it is carefully packed in very strong boxes, thereby wrapped in bubble wrap with lots of padding. We mainly use plastic to fill up the package, if wished differently please contact us. The package is shipped insured to protect both the buyer and seller. For further packing wishes please message after purchase. Photos serve as additional description of product condition / condition of display & LEDs. Please review them carefully before purchase. Orders to islands, or special destinations have a higher shipping cost, for example; Canary Islands