Also read Audio Note UK M1 Phono preamp & Empress Silver parallel single-ended triode monoblocks Review   The Audio Note Empress Silver Monoblock amplifiers are parallel single-ended amplifiers using two 2a3 power tubes per channel and generating 7-8 watts per channel. Audio Note describes the Empress as follows: Pure Class A operation Zero Negative Feedback … Continue reading Audio Note UK Empress Silver parallel single-ended triode monoblock amplifiers Review