The power supply design gives 12V output, works with many input voltages, and keeps parts separated for reliable use. MAXREFDES1247 hardware – top. The MAXREFDES1247, a reference design from Maxim ...

This Pre-Amplifier circuit is a minimalistic design, a.o. inspired by valve design, which should help sound clarity. The circuit counts 5 transistors, has 0.1% distortion (expected from 60dB loop gain ...

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