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If you really need a power attenuator depends on what you want to achieve. A 22W amp can usually be turned down sufficiently to be played in an apartment. However, if you want it to sound as if it were cranked up, i.e. you want the power amp to saturate, then you'll need a power attenuator. And in this case any attenuator that matches the output impedance of ...


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Before you go out and buy an attenuator, ensure you really need one. @Matt's answer makes very important observations. Typically attenuators have variable attenuation level; you should be able to get the volume you really want without problems. (Yes, this is the big knob). Weber MiniMASS The only real caveat is maximum power dissipation; they are ...


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How to measure loudness Sound pressure level (SPL) is used to measure loudness in this case. The unit of measurement is dB(SPL). Sound pressure meter is an instrument used to measure dB(SPL). Cheap sound pressure meters can be bought starting at 20 USD. The decibel (dB) is a logarithmic unit used to express the ratio between two values of a physical ...



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