The SE84B Zen Triode is one of the lowest priced, new manufacture, single-ended triode (SET) amplifiers on the market. While the SE84B is an inexpensive amplifier, it is anything but cheap. The ...

The unit that was delivered to me is the 2A3 EVO. The EVO is an integrated single ended triode (SET) amplifier with two line-level inputs (I would have liked 3). This is a new model that replaces the ...

The amplifier is designed around the ECL82 tube, which includes both a triode and a pentode in one package. The ECL82 is practically an amplifier in a tube: it was designed for low-cost ...