WARNING: Tube/Valve amplifiers use potentially LETHAL HIGH VOLTAGES.
Building, troubleshooting and testing of these amplifiers should only be
performed by someone who is thoroughly familiar with
the safety precautions around high voltages.
any one can find me a valve amplifier such as Yaqin 5881a in the UK? I can not find any except ebay, but they post from Hongkong and charge very high postage fee. Really love this machine, want buy it and with a pair of good bookshelf speakers.