OTOMON Laboratory (音門ラボ) / Valve World 808 tube amplifier class A2, dynamic coupling
7th Amp - Fine Arts Model 808 MK II - My Collection of Vacuum Tubes
808 SE tube amplifier, this tube is called 300B killer, I has all characteristics that 300B has but it has rich bass sound that 300b never have. If you... | By Otomon
RCA 808 tube amp with special order made Hirata Tango transformer. 808 tube is 300b killer because it has all 300b 's best and the beauty in low and mid... | By