2A3 SRPP EC8010 Mono amp

In the following images you can see a mono amplifier , build for a dear customer for driving a Monofonic system. The output tube is 2A3, single ended connection, fixed bias, zero feedback. The driver stage is a SRPP of EC8010, a tube that receives our approval for high gain , linearity, no microphonic, and, not to least, a very low internal impedance.