hybrid amplifier

Bluetooth Hybrid Stereo Tube Amplifier with Coaxial/Optical/CD/DVD/USB/Bluetooth inputs Specifications: • Power output: 50 WPC RMS @ 4 ohms • THD: 0.5% @ 50 WPC • Minimum speaker impedance: 4 ohms • Channel separation: 50 dB • Frequency response: 20-20,000 Hz • Preamplifier tube: 6U1 x...

[Skip to the last three paragraphs if you want to skip my related story] As some of you figured out from my first post here as ASR about my history with tube gear, I am a hopeless audio gear-changer who started this crazy hobby in 1958. Now I am a 76 y/o American expat who lives on a limited...