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AS3100KT - Stereo Preamplifier with Tone Controls (TDA1524A)

Ability Level 4: AdvancedProduct Formats Available: Pre-Assembled Module (AS) or
Self-Assembly Electronic Kit ( Soldering Required)

Hi-fi quality stereo preamplifier board featuring Volume control (with integral power switch), Balance, Bass and Treble tone controls. It provides very pleasing performance and makes a useful addition to any of our audio power amplifier kits. RCA jacks for audio inputs.

It is easy to construct due to the use of a special IC, the Philips TDA1524A. This contains all the circuitry required to provide up to 20 dB of voltage gain, 15 dB of bass and treble control, channel balance, and a switchable loudness contour.

Because it uses voltage control, linear single gang pots can be used , which lowers the costs and reduces tracking errors. It also allows for control by switches or microprocessor if desired.

  • Simple construction
  • Few external components
  • Low noise and distortion
  • Switchable loudness
  • Will drive most power amps
Input Power: 12Vdc battery or 15-18Vdc (Order Code CFE005).
See product documentation for full details.
Current consumption50mA min.
Maximum output:> 3V RMS
Maximum input: >300 mV, G = 20 dB
>3V RMS, G = 0dB
Input Z:> 10K ohm
Output Z:< 300 ohm
Frequency resp.:< 10 Hz to > 50 kHz + / 1 dB
THD at 1kHz:< 0.1 % at 1V output
S/N ratio:> 80 dB, G = 0 dB
Bass boost/cut:~ 15 dB at 50 Hz
Treble boost/cut:~ 15 dB at 15 kHz
Board Dimensions66 x 103mm
Board Connections2.5mm DC Socket & RCA connectors
Control KnobKB0410
Product FormatSELF-ASSEMBLY Electronic Kit (KTSoldering Required) or
PRE-ASSEMBLED Electronic Module (AS) Product Formats Info
DocumentationUser Manual
TDA1524A IC Data Sheet
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