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TOPPING PA3 Stereo Amplifier (Apos Certified)
The Topping PA3 is a compact stereo amplifier that comes with ST’s class-D TDA7498E amp chip. It delivers 80 watts per channel at a 4-ohm load, which is enough to drive 10-inch speakers. LEDs on the front panel indicate the input status and the MCU monitors issues like overload, overheating, and high/low voltage. Two RCA inputs allow you to connect two devices at a time and switch between the inputs using the button on the front panel. Finally, the PA3 comes with ALPS potentiometer, EPCOS film capacitors, a Nichicon hi-fi capacitor, and an OMRON relay.
- Aluminum construction
- Curved, screwless front panel
- Embedded rear panel
- TDA7498E amp chip
- Suitable speaker impedance: 4–8 ohms
- Maximum output power: 80W x 2 (4 ohms), 70W x 2 (8 ohms)
- THD+N (at 1 kHz): 0.04%
- Input sensitivity: 0.6 Vrms (4 ohms), 0.9 Vrms (8 ohms)
- Noise (A-weighting): < 0.5 mW
- Gain: 29.3 dB
- SNR: 89 dB (4 ohms), 91 dB (8 ohms)
- Analog input: 2 x RCA (L+R)
- Analog output: Banana jack, BTL output
- Dimensions: 6.6 x 4.7 x 1.5 in (16.8 x 12 x 3.7 cm)
- Weight: 18.2 oz (515 g)
