Stereo Phono RIAA Preamplifier Module Board. This item has been assembled, and electrical test passed. Thickness 1.6 mm FR-4 fiber glass PCB (double layer). HQ terminal blocks easy connection wire. Low noise and low distortion audio OPAMP LM833-N. Input resistance and capacitance DIP switch selectable.
Best Operating Voltage: +/-9Vdc to +/-15Vdc.
Gain: 30 / 50dB, DIP switch on board option.
Input Resistance: 12K to 2.2M ohm, DIP switch on board option.
Input Capacitance: 0, 22, 47, 100pF, DIP switch on board option.
Output Impedance: 47 ohm.
RIAA Accuracy: <1.5dB. Bandwidth: 20 to 20KHz (-3dB). Distortion: 0.05% (at 1KHz). SNR: > 68dB (two 9V batteries supply).
Size: 78 x 50 x 16mm (L x W x H).
Specification:
http: //www. audiowind. com/pdf/A-310. pdf, no paper specifications, please download this document.