🎶 Elevate Your Sound Game! Easily switch between triode and ultra-linear modes with a simple button press. Enjoy optimal sound quality after a recommended 300-hour run-in period. Each unit is meticulously hand-welded, ensuring premium quality and durability. Use it as an integrated, power, or headphone amplifier to suit your listening needs. Switch between EL34, KT88, and 6550 tubes for a tailored audio journey. Remote control 3 sound types Triode/Ultra-linear The Willsenton R8 KT88/EL34 Tube Amplifier is a versatile, handcrafted audio solution that allows users to switch between three types of tubes for a customized sound experience. With integrated, power, and headphone amplifier capabilities, it features user-friendly controls and requires a run-in period for optimal performance.