The main factors affect the sound quality of vacuum tube amplifier

1. Single-ended and push-pull circuit

At the end of the power amplification, amplification of push-pull is easier to get high power output, because push-pull is a vacuum tube amplifier "+" signal, a vacuum tube amplifier "-" signal, and then superimposed, so large distortion. Single-ended amplifier is a vacuum tube amplifier "+, -" signal, does not need the signal superposition, therefore less distortion. The sound Single-ended than push-pull good, especially in some minor details. However, Single-ended is difficult to obtain high power output, with vacuum tubes of the same type, Single-ended can do 10W, while push-pull is easy to do 30W, Single-ended to obtain large power will have to pay more price...

2. push-pull end power amplifier of vacuum tube different connections push-pull the end of the power amplifying vacuum tube usually have three connections: triode form, super linear form and standard form. Theoretically speaking, the triode form by minimum distortion, output power is minimum; standard form get larger distortion, power is also the maximum; between super linear form between.

3. Affect the power transformer and output transformer of sound

High quality vacuum tube amplifier inseparable quality transformers, power transformers currently technically no trouble, the output transformer is the decision of the vacuum tube amplifier sound quality is the key. Because regardless of the output transformer selection is good, how sophisticated technology, both methods exist to avoid leakage inductance and stray capacitance components, resulting phase distortion. Output transformer as inductive element, to the transmission signals of different frequencies have different inductance. Therefore, the output of the transformer will be different in different voices lead. No high-quality output transformer, other aspects of the production of better quality vacuum tube amplifier is also meaningless.

MC998-PRE Balance Vacuum Tube Pre Amplifier Split Power Supply Preamp

This flagship pre-amp has been specially developed for high end valve end valve or solid state mono block power amps. Not only does it have grand, elegant, graceful appearance, but also with the famous 300B tubes to give the balanced outputs. Designed with the power supply separated to reduce hum and noise sometimes present when you use 300B as signal amplification. The back ground is quiet with great presence of sound stage. Sound is fabulous with good tempo and dynamics. This pre-amp offers the advantage of valve amps and solid state amps together.

Vacuum tube amps the use of attention:

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