300B 10Y / VT-25 83 Single End Amplifier
This amplifier sounds great!!! Perfect topology for 300B tubes, mercury vapor rectifier 83 and 10Y / VT-25 the best driver solution for 300B SE output tube. Classic (old school) SE DHT design, but ... I'll very probabbly swap 300B with 306A / 307A / VT-225 directly heated pentode, triode strapped :)