1. Support 3 bands (bass, mid-range and treble frequency) tone control for stereo audio.
2. Use three potentiometers.
3. Use of very low distortion high quality audio OPAMP, TDA2320A, 0.03% at f=1kHz typical
4. High power rejection ratio: 80dB and channels isolation: 100dB
5. Symmetric PCB design for both R and L channels.
6. Implemented with WIMA, Nichicon capacitors and Dale resistors.
7. High quality PCB with dimension 153 x 63cm, blue solder mask, double layer, 2.4mm thickness, 2oz copper.
8. Required power supply: +/-15V DC
Optional:
1. LV30B Positive & Negative Voltage Regulator Kit
2. T20L/T20 Toroidal Transformer or R58 R-core Transformer