The most interesting is its ability to highlight the nuances and respect the stamps, and a good dynamic with respect to the FTC power 25w / 8 ohm. Its strength indicator is also part of the pleasure of using ... for the eyes.
Time will result in the volume knob quite sensitive and liable to "sputter."
Its bargain price (100 to 200 € according to the state) makes it particularly attractive for its vintage look, the seriousness of its design. Only filtering capabilities and the volume control will be checked to restore its fisheries and its youth.
To find better? invest in a tube amp design pure class A single stage transistors English or amp / preamp separate high-current output.