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Home » Categories » Audio circuits » Pre Amp circuits (Small signal amplifire,Pre microphone...)
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A Discrete FET Guitar Preamp
A simple discrete FET Guitar Preamp
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Audio booster
This is a simple circuit with 1 transistor for boost audio.
---97
Audio Pre-Amp
Simple audio preamp
---98
Car Audio Preamp + Artificial Earth
Especially for car audio installations, can be used for any single supply system
---181
Death of Zen Preamp
\"Minimalist\" preamp, designed to suit the DoZ (or any other) power amplifier
---186
DoZ Headphone Amplifier
The DoZ is ideally suited to headphone use.
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Frank Watlington\'s Pre-Amp Circuit
The above pre-amp circuit is the one I use with both dunking and towing DIY hydrophones. The left hand side is potted in epoxy and housed with the hydrophone Piezo element. The right hand side is on board the boat, but linked to the hydrophone via th
---862
Headphone Amplifier
High Quality unit.No need for a preamplifier
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Hi-Fi Preamp
Another preamp, but this one has tone controls, and all pots are PCB mounted
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Hi-Fi Preamplifier
It has an exceptionally fast high frequency response, as demonstrated by applying an 100kHz squarewave to the input. All graphs were produced using Tina Pro.
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High Quality Audio Preamp
An audiophile quality preamp, with full switching and programmable gain
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Minimalist Discrete Hi-Fi Preamp
A preamp designed for the minimalist, and having no frills at all is the design goal for this project. It is designed as a preamp for the Death of Zen (DoZ) Class-A power amp (Project 36), and has very low levels of noise and distortion, in a minimum
---917
Phono (RIAA) Preamp
Very high quality moving magnet phono preamp - few circuits will better this one.
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Phono Preamplifier
Simple circuitry suitable for moving-magnet cartridges Passive high-frequency equalization
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Phono Preamps For All
Various circuits for moving coil and moving magnet pickups
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