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2. Single-ended triode - Wikipedia

   en.wikipedia.org/wiki/Single-ended_triode

   A stereo class A single-ended design with KT88 kinkless tetrodes which produces 15W of output power per channel, and 5W when triode-connected, is the Antique Sound Lab MG-SI15DT. [2] By comparison a pair of the same tubes in class AB push-pull claim to output about 50W at 1% distortion (higher powers at high distortion are quoted for guitar ...

3. Valve audio amplifier technical specification - Wikipedia

   en.wikipedia.org/wiki/Valve_audio_amplifier...

   Some valve amplifiers use the single-ended triode (SET) topology that uses the gain device in class A. SETs are extremely simple and have low parts count. Such amplifiers are expensive because of the output transformers required.

4. Single-ended primary-inductor converter - Wikipedia

   en.wikipedia.org/wiki/Single-ended_primary...

   The single-ended primary-inductor converter (SEPIC) is a type of DC/DC converter that allows the electrical potential at its output to be greater than, less than, or equal to that at its input. The output of the SEPIC is controlled by the duty cycle of the electronic switch (S1).

5. Split-phase electric power - Wikipedia

   en.wikipedia.org/wiki/Split-phase_electric_power

   A transformer supplying a three-wire distribution system has a single-phase input (primary) winding. The output (secondary) winding has a center tap connected to a grounded neutral. As shown in Fig. 1, either end to center has half the voltage of end-to-end. Fig. 2 illustrates the phasor diagram

6. Tube sound - Wikipedia

   en.wikipedia.org/wiki/Tube_sound

   The tube sound is often subjectively described as having a "warmth" and "richness", but the source of this is by no means agreed on. Possible explanations mention non-linear clipping, or the higher levels of second-order harmonic distortion in single-ended designs, resulting from the tube interacting with the inductance of the output transformer.

7. Push–pull output - Wikipedia

   en.wikipedia.org/wiki/Push–pull_output

   DC current is cancelled in the output, allowing a smaller output transformer to be used than in a single-ended amplifier. However, the push–pull amplifier requires a phase-splitting component that adds complexity and cost to the system; use of center-tapped transformers for input and output is a common technique but adds weight and restricts ...