ITEM NAME:1Pcs Audio Dual Circuit MM/MC Phono Stage HIFI Amp Finished Amplifier Board J5H8 1Pcs Audio Dual Circuit MM/MC Phono Stage HIFI Amp Finished Amplifier Board J5H8 Audio DUAL Circuit MM / MC Phono Stage HIFI Amplifier Completes Power Amplifier Board 1.Use NOVER' audio dedicated capacitor to do the filter, the human voice is very good, the effect is better than the general low-end capacitor filter array 2.Resistance for the United States DALE or VIS resistance, the output capacitor for the German ERO, decoupling with red WIMA and ELNA brown god and other senior resistance 3. PCB for the double-sided gold-immersed process, line alignment 1Point ground. PCB size: 110x46MM Supply voltage: AC12Vx2 to AC20Vx2 Wide range Do not put the PHONO Connect to the antique furnishings turntable, Most of them are no turntable Ground and the internal has a PHONO amplifier. As well as the previous combination of audio inside the PHONO and the carbon core pin of the special turntable to use. Note :The board is two-stage voltage amplification, One-Stage magnification 47, According to your needs, you can adjust the gain, if you think the magnification is too large, you can put 6-7 feet between the resistance 47K to 4K7 Below or direct short-circuit 6-7 feet can also(finshed board no need to change) version:NE5532 low-frequency thick warm, more classic colour:Black Material:Metal & PC Package Contents: 1*finished amplifier board