Description

MM Phono RIAA Preamplifier Module Board

This item has been assembled, and electrical test passed.

Best Operating Voltage: +/-9V DC to +/-15V DC.
Gain: 40dB.
Input Impedance: 47K ohm.
Output Impedance: 330 ohm.
RIAA Accuracy: <1dB.
Bandwidth: 20 to 100KHz (-3dB).
Distortion: 0.05% (@1KHz).
SNR: >68dB(use batteries supply).
Size: 100 x 60 x 16mm (L x W x H).

Used high-quality electronic components:
Thickness 1.6mm FR-4 fiber glass PCB (double layer).
HQ terminal blocks easy connection wire.
Polyester film and metallized film capacitors.
Precision 1% metal film resistors.
Ultra low noise and low distortion audio OP AMP OPA2134PA.
Gold-plated OP AMP IC socket, can easily replace other OP AMP.

Module Spec.:
[link removed by ], No paper specifications, please download this document.

Other, if you need power supply module and power transformer, we recommend these items:
Power supply module (regulator):
Low Noise +/-15V Regulator Module, for Audio Preamp.
Power transformer:
15VA Encapsulated Toroidal Transformer 115/230V, 18Vx2

Wiring Diagram: