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AS1070KT - TDA1524 Stereo Hi-Fi Preamplifier (Volume, Balance, Bass, Treble

Ability Level 2: ModerateProduct Formats Available : Pre-Assembled Module (AS) or
Self-Assembly Electronic Kit ( Soldering Required)

Hi-Fi quality STEREO preamplifier that is suitable for the demanding listener.

It uses a TDA1524A IC which employs a revolutionary new method for the various controls. Instead of passing the audio signal through noise prone control potentiometers, it is instead electronically controlled inside the IC itself.

The integrated circuit incorporates VOLUME, BALANCE, BASS and TREBLE controls. It is only necessary to apply appropriate external DC control voltages to operate them. This is achieved very easily with potentiometers in Manual Mode or, if you want to build something really fancy, it is possible to use a remote control system to operate your hi-fi from a distance. Even though we use potentiometers for the various controls we do not have to worry about their quality or eventual wear as they are not in the signal path and their quality does not affect the system's performance. Kit version includes solder for assembly.

Maximum input level2.5V
Output level1V
Bass control (40 Hz)± 15 dB / octave
Treble control (16 KHz)± 15 dB / octave
Volume control-81 to +21.5 dB
Total output noise100 uV
Channel separation60 dB
Working voltage12Vdc e.g. Order Code (660.446UK with connector 778.106 or 777.001 is suitable) or kit 1061KT
Board Dimensions61x185mm
Control KnobKB0295
Board ConnectionsSolder Posts
Product FormatsSELF-ASSEMBLY Electronic Kit (KT) or
PRE-ASSEMBLED Electronic Module (AS) Product Formats Info
Documentation1070 User Manual
View TDA1524A IC Data Sheet
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