Power and Volume. Power output and speaker volume follow a logarithmic, not linear, relationship. For example, an amplifier with 100 watts per channel does not play twice as loud as an amplifier with 50 watts per channel using the same speakers. In such a situation, the difference in maximum loudness is slightly louder; the change is only 3 dB.
The importance of an amplifier’s input and output impedance is discussed in AC Theory Module 7, and using NFB to control impedance is described in Amplifiers Module 3.2. Module 4.3 describes some other amplifier circuits that are commonly used to control the values of input and output impedances in amplifier circuits.
Myth 1: Gains Should Be Set Based on Speaker Power Ratings. While I love the concept, setting the gain controls on a car audio amplifier to limit the amount of power sent to a speaker is nearly impossible. You can reverse engineer a voltage level from a power rating, and you might be able to set a subwoofer amplifier to protect the driver.
A A A Accurately reproducing music’s low frequencies is the single biggest challenge facing the audiophile. The laws of physics make it difficult to achieve a smooth, extended, and articulate bottom end in our listening rooms. Consequently, many of us live with less than great bass performance.
I was reading an article about the well known JLH 1969 class A amplifier. The author claims that increasing the capacitor values has improved the bass response. I'm looking to understand how this works. Why bypass all electrolytics with a low value polypropylene capacitor? Original schematic from the article below, link to the article here.
Here are some tips on how to use the bass, mid, and treble controls on your guitar amp: The bass control allows you to adjust the low-end frequencies of your amp. If you want a fuller sound, you can turn up the bass. If you want a tighter sound, you can turn down the bass. The mid control allows you to adjust the midrange frequencies of your
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  • how to increase bass in amplifier