A compact retro portable amplifier prop scaled for use and designed to read clearly on model railway layouts, dioramas, and small display cases. The sculpt emphasizes broad horizontal grille ribs and raised circular bosses that suggest speakers or meters while avoiding fragile filigree. The flat base and restrained rear face make the prop easy to place against shelves or inside cabinets. This listing supplies a single master scaled for ; uniformly scale the master to adapt to other scales as needed. Finishing tips: prime to reveal the grille ribs, apply a thin wash into recessed grooves, and lightly drybrush raised edges for a natural aged look. The piece is intentionally non‑branded so you can hand‑paint dials, labels, or custom markings to fit your scene. Ideal as a small vignette accent for period interiors, hobby layouts, and tabletop displays.