Yamaha C-5000 preamplifier ... how one should be made

In pursuit of the intangible musical quality that breathes life into high-fidelity audio, the world's largest sound company presents the C-5000 pre-amplifier. From the concert stage to the home, Yamaha has drawn on its vast musical history to create an instrument capable of faithfully reproducing every nuance and emotion in the performance. Perfectly balanced signal transmission Floating balanced pre-amp Symmetrical, folding-book circuit design Low-impedance design Rigid and precise design Dual Toroidal Transformer