Magnetic Cartridge Preamplifier by LT1028
A high performance op-amp that sets a new standard of excellence in noise performance only 0.9nV/Hz with low source resistances. Total harmonic distortion is less than 0.01%. The op-amp is suitable for use in high quality audio, low noise frequency synthesizers, infrared detectors etc. particularly where the source resistance is under 1Kohm. Link
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Microphone Preamplifier by SSM 2015
Modular Audio Preamplifier
Phono Preamplifier with LM833
Stereo Preamplifier with Bass-boost by TL072
