This stereo tone control unit makes a useful addition to many of our power amplifier kits. It provides ± 12 dB of Bass and Treble boost/cut, Volume and channel Balance controls.
The circuit is based around the MC4558 high performance op-amp IC.Specifications
|D. C. Input||6V - 15Vdc (e.g. CFE103 or|
660.446UK with connector 778.106 or 777.001)
|Current Drain||~ 10 mA|
|Maximum output||> 3 V RMS (12Vdc supply)|
|Maximum input||> 3 V RMS|
|Gain (loss)||-2 dB.|
|Input Z||~ 50 k ohm|
|Frequency resp.||< 20 Hz to > 50 kHz ± 3 dB|
|THD at 1kHz||< 0.1 % at 1V output|
|S/ N ratio||> 85 dB re. 1V RMS|
|Bass boost/cut||~ 12 dB at 50 Hz|
|Treble boost/cut||~ 12 dB at 15 kHz|
|Board Dimensions||48 x 120mm|
|Board Connections||RCA sockets and solder pins|
|Product Formats||SELF-ASSEMBLY Electronic Kit (KT) or|
PRE-ASSEMBLED Electronic Module (AS) Product Formats Info
MC4558 IC Data Sheet
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