Ampeg PF20T Portaflex Series 20W Bass Head AmplifierExperience the legendary all tube tone of the Ampeg PF20T, now in a compact 20 watt package perfect for any setting. The 20 watt PF 20T is a lower wattage version of the PF 50T. Like its more powerful sibling, the PF 20T features a versatile EQ section, a transformer balanced DI circuit, and a user adjustable Bias control. It delivers the same legendary all tube tone, just at lower volumes. Features 20 Watts All tube design Tube driven, transformer