Lehmann Class A Headphone Amplifier LEM Preamplifier Kit/Board With Protection

◆ Base on original Lehmann circuit, add earphone output protection circuit to protect your expensive earphones. Output interface: 6.3mm interface × 2 and Analog preamplifier signal output. ◆ New and original German WIMA stepless capacitor, ERO decoupling capacitor, Nichicon KG 4700uFX2 large filter capacitor.

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