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About the ART108A
The Conrad Johnson ART108A is a Class A triode mono valve power amplifier designed for reference quality audio reproduction. It uses KT88 output tubes configured as triodes, with four pairs per channel to produce 160 Watts RMS into 4 ohms at less than 1.5% total harmonic distortion. The amplifier features independent discrete regulated power supplies for the output, input, and inverter stages, ensuring high performance and reliability. It is hand assembled and individually tested, with a limited production run of 125 pairs. The ART108A is noted for its tonal accuracy, tight and fast bass, excellent transient control, and the ability to drive demanding speakers with high current capacity. It requires matched quad output tubes for optimal operation and includes a 3-year limited warranty excluding tubes.
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