Promitheus, notably one of the well know passive pre sellers, for audiophiles in a budget has been often observing clients bothered by the delays in committed shipping dates. The delay blues have been seen to disappear,
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Tubes (American parlance) or Valves (British parlance) are essentially simple amplifying devices. (in audio, the simplest path is the best sounding path as a general axiom).
Now, there are various genres of tubes(valves), which are further sub-divided in the way they are made to work in a circuit, i.e. in single ended or a push pull mode.
General types of Power Tubes (i.e. Tube equivalent of a power transistor like a Mosfet or a
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