The design is inspired by the guitar amps of the 1950s and ... single-ended one with a two stage double triode preamp and a single power output tube. The transformers are usually the difficult ...
Teased in prototype form at May’s High End audio show in Munich, the reimagined Quad 33 preamplifier and Quad 303 stereo power amplifiers take the best of the most sought-after ‘vintage ...
In addition to building a selection of excellent-sounding stompboxes for a range of guitar-friendly effects ... military spec dual-triode vacuum tube in the preamp that feeds the delay circuit.
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