marantz av30 Norstone como SA45 uses Arcam's Class G

SA45 uses Arcam's Class G technology

integrates a unique conductor geometry (Tuned ARAY) with carefully selected materials to ensure that the digital signal is preserved in its purest form

resonance-damped construction with an exclusive look

Fantastic sound quality for the price

marantz av30 Norstone como SA45 uses Arcam's Class GAV 30 AV preamplifier for advanced home theater AV 30 is an 11. 4 channel balanced AV preamplifier developed for large media rooms and dedicated home theaters. It combines precise signal processing, broad format support, and flexible system integration in a timeless design from Marantz. AV 30 supports modern video and audio formats, including 8K Ultra HD and object based surround, and serves as the central control unit in demanding theater setups.