LSA VT-150 stereo tube amplifier; appraised! ~ The Sound Advocate
Amazon.com: Monoprice Stereo Hybrid Tube Amplifier 2019 Edition, 25 Watt with Bluetooth 2.1 + EDR, Wired RCA, Optical, Coaxial, and USB Connections, and Subwoofer Out : Electronics
DYNAVOX VR-70E II Tube Amplifier (Black) - Lyreaudio