Stereo preamplifier with bass circuit

Posted on Feb 7, 2014

This preamplifier was designed to cope with CD players, tuners, tape recorders etc. , providing an ac voltage gain of 4, in order to drive less sensitive power amplifiers. As modern Hi-Fi home equipment is frequently fitted with small loudspeaker cabinets, the bass frequency range is rather sacrificed. This circuit features also a bass-boost, in or

Stereo preamplifier with bass circuit
Click here to download the full size of the above Circuit.

der to overcome this problem. You can use a variable resistor to set the bass-boost from 0 to a maximum of +16dB @ 30Hz. If a fixed, maximum boost value is needed, the variable resistor can be omitted and substituted by a switch.

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