Lector Audio PAS phono preamplifier June 4, 2019 Matej Isak Sneak peek at the Lector Audio Phono Amp System [PAS] all tube phono MC and MM, no signal transformers in the signal path. “Only tube for better quality sound and transparency, for better SNR the power supply is in external box.” www.lector-audio.com www.lector-audio.it