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Upgrade LM4610 + NE5532 Tone Volume Adjustable Preamplifier Board Double AC12-15V
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About Upgrade LM4610 + NE5532 Tone Volume Adjustable
LM4610 + NE5532 Preamplifier tone board Specifications: *Voltage: Dual AC15V-18V *Circuit board size: 117X68MM (not incude the potentiometer) *Potential functions: 3D, bass, treble, balance, volume *The distance between the potentiometer: 25MM *Two switching functions: on the left for the 3D switch, the right loudness switch Parameter: **Input impedance is 30kΩ, low output impedance of 20Ω; **volume adjustment range is 75dB; balance adjustment range is 1 ~ 20dB; **bass adjustment (40Hz time) is ± 15dB, Treble (16kHz) is ± 15dB; **Total harmonic distortion is only 0.0003; **SNR up to 80dB; **Frequency width of 250kHz; **The maximum input signal, the output voltage is 1.5V; **Two-channel balance error of less than 1.5dB; **Power CMRR of 60dB. Package: 1pc LM4610 + NE5532 Preamplifier tone board
