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.
Features| Input Power: | 15-20Vdc (Order Code CFE080) or 12Vdc battery (see User Manual for full details) |
| Current consumption | 50mA max. |
| 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 Dimensions | 66 x 113mm |
| Board Connections | Solder pins & RCA connectors |
| Control Knob | KB0410 |
| Product Format | SELF-ASSEMBLY Electronic Kit (KT) or PRE-ASSEMBLED Electronic Module (AS) Product Formats Info |
| Documentation | User Manual TDA1524A IC Data Sheet |
