
Stereo Audio Preamplifier
The amplification circuit adopts the classic NE5532 operational amplifier, which can drive headphones, power amplifier Active Speaker;
The audio circuit has relatively high requirements for the power supply. Please use a low-ripple power supply. Poor power supply is likely to cause hum. The audio connecting wires should be shielded wires.
Frequency response: 20Hz-20KHz
Power Supply: DC 9V-19V;
Supply Current: 8 mA;
Power Consumption: 0.9 W;
Amplification Gain: 20 dB;
Input impedance: 10K
Output impedance: 600Ω
Input and Output Interfaces: 3.5 mm, RCA;
The 3.5 mm interface and the RCA interface are designed to adapt to different situations. They cannot be used simultaneously. Just choose one of them.
Air Express
3–7 days
Air Normal
12–16 days
Sea Freight
50–60 days
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