3155 - Stereo Tone Controls (MC4558)

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, and channel balance control.

The circuit is based around the MC4558 high performance op-amp IC.

Technical Specifications
D. C. Input	6V - 15Vdc (Order Code PSU446 with connector 778.106).
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
Control Knob	KB0561
Product Formats	SELF-ASSEMBLY Electronic Kit (KT ) or PRE-ASSEMBLED Electronic Module (AS) more
Documentation	User Manual MC4558 IC Data Sheet