TRIODE 6B4 15 WATT HI FI Mono Block audio amp / All Steel Chassis

15 WATT HI FI Mono Block 6B4 TRIODE Amp Hand Made / All Steel Chassis. All Hammond transformers, Sovtec 6SL7 Driver and Sovtec 6B4 Directly heated Triode Output Tubes and all tubes included with amplifier. I personally built 4 of these amps. Time to thin out some of my stuff.