The Celestion Ruby 4×12 (closed back) is available in both Impulse Response (IR) and Dynamic Speaker Response (DSR) format. This speaker response was purpose-built to create gorgeous vintage tones and bring an instantly familiar alnico vibe and is the latest in a long tradition of alnico guitar speakers stretching right back to 1960.
The Ruby oozes a rich musical warmth with a smooth, sophisticated midrange and mellow highs. This guitar speaker response delivers a sweetness, balance and depth that always seems to sound just right! Down this IR/DSR now to enhance your digital library.