1, power supply overview
A hybrid amplifier is basically a combination of a preamplifier and a power amplifier. For example: a tube preamplifier with a solid state power amplifier, or a digital preamplifier with a power tube stage.
However, the goal of any electric guitar amplifier should be as close as possible to a full tube amplifier. why? Because the vast majority of the classical and ideal guitar timbres we believe are created with all-tube amplifiers. So this is what we will see: tube power amplifiers and why some are so highly respected and often imitated.
Home audio, MP3 amplifiers and home audio systems, the job of these units is to accurately amplify any signal, whether it's a CD, TV or MP3. Their job is to compress, noise, and of course not distortion without adding any unwanted colors!
A good tube guitar amplifier is essentially a low-fidelity device. When it turns to Nigel Tufnel, the "11" recognized by Spinal Tap not only makes the weak signal of the guitar strong enough to move the speaker, but also contributes to the glorious music compression and harmony. Wave distortion, which is an important element of the rock guitarist's tone of bliss.
2. Power Amplifier in Guitar Amplifier
The power amplifier is responsible for enhancing, enhancing and shaping the preamplifier signal and providing it with enough muscles to easily move the speaker or speaker set.
3, power amplifier anatomy basis
In very simple terms, a power amplifier can be thought of as having three basic elements:
1) Phase Converter/Driver Tube
This is a small pre-amplifier (for example, 12AX7 in many amplifiers), which usually concentrates on the preamplifier section due to its preamplifier "size." However, because its only job is to power the power tube, it is really a member of the amplifier family.
2) Power tube
As their name suggests, the purpose of these tubes is to add a powerful muscle mass to the signal that the preamplifier has tuned so that it can drive the connected speakers. The quite common power tubes include EL34, 6L6, 5881, 6550, KT66, KT88 and EL84 and 6V6. All these types are unique and popular when driven.
4, the output transformer
All tube amplifiers with power amplifiers have an output transformer. A large part of their operation is to “convert†the high-voltage, high-impedance output of the power tube into a high-level current. A low-impedance signal can drive the speaker without Turn them into barbecue bread! Needless to say, this busy person is an important part of the power phase.
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