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Audio Attenuator

reduce signal levels — to spec

Audio Attenuator
It happens very often that there is a marked change in the sound level when you change the audio source. However, you can quickly put an end to this with a simple attenuator network.Fortunately, with modern audio equipment this problem is not as bad as it used to be. Quite a few years ago, the differences between the usual output levels and input sensitivities were, to put it mildly, striking. Browsing through some old amplifier specification sheets from the 1970’s, we see ‘standard’ input sensitivities for the tuner and tape inputs of 155 mV, 180 mV, 200 mV, 220 mV, 250 mV and 300 mV. Nowadays, the situation is not as bad, but there are still differences.
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