EL34 Vacuum Tube Amplifier Single-ended Class A HiFi Stereo Amp DIY Kit 10W x 2
EL34+ECC83 single-ended Class A Stereo amplifier Kit 10W 2. There is no need to worry about it. All the precision calculations, such as EL34 cathode resistance current is 50MA. This is DIY KIT, you need to solder it by yourself.