The GemTune X-1 Class-A Tube Amplifier with 5Z4P*1, 6N9P*1, EL34-B*2 currently enjoys a significant increase in demand. This is because many buyers have discovered that the product is equipped with a long list of useful features. In addition to that, the amplifier is capable of producing refined and exquisite music, making it an ideal product […]

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When I first saw the Bravo Audio Ocean Mini Valve Class A Tube Headphone Amplifier I scoffed – there is no way such a tiny unit at that price will be good for anything besides looking pretty.  Man, was I wrong!  What I quickly found out was that its’ small dimensions contain power enough to […]

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