ProLogue One

About the ProLogue One

The PrimaLuna ProLogue One is a stereo integrated tube amplifier delivering 35 watts per channel from a push-pull EL34 output stage, with a tube complement of four EL34, two 12AX7, and two 12AU7 tubes. It features four line-level RCA inputs, 4 and 8 ohm speaker outputs, a frequency response of 20 Hz to 30 kHz (+/-0.5 dB), total harmonic distortion of 0.25% at 1 watt and less than 1% at full power, and a signal-to-noise ratio of 89 dB. The chassis measures 11 inches wide, 7.5 inches high, and 15.5 inches deep, weighing 37.5 lbs. Aimed at first-time tube amplifier owners, the ProLogue One features PrimaLuna's Adaptive AutoBias circuitry for reliable operation with minimal maintenance, point-to-point wiring, and high-quality components. It was succeeded by the ProLogue Classic Integrated Amplifier.