The very new Concert Fidelity “Luciole” 300B integrated amplifier is running through its paces at Stereolab. This is the very first product from the “new” Concert Fidelity. Tsuda-san has been working very diligently over the last couple of years to bring two new, high-performance 300B DHT integrated amps to life, and this is the first. “Luciole” will be the entry into the brand. Four inputs, remote volume control. 6SN7 drivers. 5AR4 rectifier.