Beechcraft envisioned the Model 34 as a groundbreaking design, capable of carrying heavy payloads over long distances. With the war driving innovation, the Twin Quad represented an opportunity for ...

With the Quad preamp, Quad has formulated a new circuit design with a low-noise custom ... transformer specially developed for the 303 model. The unit's advanced feedback topology for the output ...

Quad’s industrial design chief for the last two decades took charge of the overall look of the two new units. The 33 preamplifier from Quad draws on the original model for design inspiration.