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发表于 2015-7-31 20:32:20
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Vacuum tube amplifiers have many different topologies like single ended (SE), or push pull
(PP), or paralleled push pull (PPP) or cathode follower (CF). These topologies and all their
variations are placed into one general system. This gives clear insight into the coupling
between vacuum tubes and the output transformer, which functions as an impedance converter
between the high impedance vacuum tubes and the low impedance loudspeaker. A new
universal output transformer is proposed that can be used for all these topologies of tube
amplifiers. This transformer is discussed and results are shown with twenty different
amplifiers from the general system.
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