The Closer Acoustics Provocateur 300B develops a power of 2 x 8 Watts in pure Class A. There is no OOS. Bandwidth is from 18 to 23,000 Hz, channel separation is 70 dB, distortion is not higher than 0.3% per 1 watt of power. The lamps used are 5U4G; 6 SN7, 300B. The Closer Acoustics Provocateur 300B weighs 28 kg.