PrimaLuna EVO 400 Tube Integrated Amplifier Mark Levinson Frequency Response: 20 Hz –

Frequency Response: 20 Hz – 20 kHz ± 3 dB

magnetically attached micro-perf grille that covers the mounting flange for an attractive

Recommended Amplification: 10 - 250Wpc

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PrimaLuna EVO 400 Tube Integrated Amplifier Mark Levinson Frequency Response: 20 Hz –All tube output transformer coupled headphone amplifier One of the best headphone amps in the world. Most tube integrated amps and preamps use a solid state op amp chip for running headphones. Stand alone tube headphone amps will vary in quality like any other tube amp. Headphones are simply small speakers that require less power. Some amps will use smaller output tubes that groan to have enough dissipation to run power hungry planar headphones. Other