When only the finest will do.... Rare offering. Audio Note P4 Class A single ended mono blocks. 300b tube based. These are world class amplifiers. Reference amplifiers by which many others are judged, research will tell you that. Audio Note make some of the finest audio equipment in the world and these amps are part of that lineage. There sound is lush, warm, detailed and fast. Even the most complicated pieces of music can be faithfully produced. They are special for sure. New price on this model is about $21, 000 USD and steadily rising. Pre owned Audio Note gear does not depreciate. Specifications Power output: 18 watts per channel into 8Ω (stereo) Input sensitivity: 0.45V Speaker load impedance: 4Ω to 8Ω Valve complement: 4 x 300B, 4 x 5687, 2 x 6SN7, 2 x 6X4R, 2 x 5U4G Dimensions: 220 x 460 x 530mm Weight: 30kg A full inspection was done in May 2020 and they passed with flying colours. Original boxes and packing. Auditions available in Victoria BC. Worldwide shipping is available. Trades possible.