Quasar ElectronicsAS3047KT - 8W Mono Power Amplifier (TDA2003)https://www.quasarelectronics.co.uk/media/ecom/prodsm/3047.jpg8 Watt mono audio power amplifier board makes an Ideal building block for projects where a low voltage dc powered general Class AB audio amplifier is required...Electronics > Audio > Audio Components > Audio Amplifiers > Power Amplifiersquasar_diy_k473047KTGBP15.95Quasar Electronics LimitednewConditionInStockhttps://www.quasarelectronics.co.uk/Item/3047-8w-mono-amplifier-module-tda2003
Product Formats Available : Pre-Assembled Module (AS) or Self-Assembly Electronic Kit ( Soldering Required)
8 Watt mono audio power amplifier board. Makes an ideal building block for projects where a low voltage dc powered general Class AB audio amplifier is required.
Circuit uses the proven TDA2003 audio amplifier IC which features zero turn-on transients, wide 8 to 18Vdc supply range, current limiting and thermal protection.
Power output is dependent on the supply voltage & load resistance. Over 10 watts is typical for a 2 Ohm speaker with 16V supply; 9V supply with an 8 Ohm speaker will give about 1W. Volume control potentiometer and heatsink provided.
8 - 18Vdc, 10 - 20 VA min.
1 Amp minimum (see text)
> 10 W RMS, 2 ohm load, 16V DC supply > 6W RMS, 4 ohm load, 16V DC supply > 4W RMS, 4 ohm load, 12V DC supply
< 0.2% (1W, 4 ohm load)
20 - 40 dB maximum
> 80 dBA. (G = 20 dB) > 60 dBA (G = 40 dB)
< 20 Hz to > 40 kHz (-3dB, 4 ohm load)
< 100 mV for full output (G = 40 dB) < 1V for full output (G = 20 dB)