If you ever wanted to build your own tube amplifier but you were intimidated by working with high voltages ... the pre-amplified signal and acts as a power amplifier. [Marcel]’s amplifier ...

Much like vinyl records, tube amplifiers ... audio tube amplifier. The key to the build is the Russian-made 2SH27L battery tubes which are originally designed in Germany for high-frequency ...

Self-taught boutique builder Charles Henry puts musicality first with his designs, winning fans including Grace Bowers and Yvette Young – but he’s only just getting started ...

First exhibited at last year's High-End Munich ... A Class A tube amplifier which uses four nuvistor valves, the new model strives for a "sweet sound" with "huge power and transparency", packing ...