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Audio devices - list of circuit diagrams
A 2 Watt audio amplifier made from discrete components
author: Andy Collinson visits: 2767 
A microphone amplifier that may be used with either Electret Condenser Microphone (ECM) inserts or dynamic inserts, made with discrete components
author: Andy Collinson visits: 2402 
In this doorphone circuit,an 8 ohm speaker is used both as a microphone and also an output device
author: Mr Laurier Gendron and Andy Collinson visits: 967 
good replacement amplifier for low to medium audio power systems
author: visits: 865 
Circuit with an exceptionally fast high frequency response, as demonstrated by applying an 100kHz squarewave to the input
author: Graham Maynard visits: 845 
Based on the classic Baxendall tone control circuit, this provides a maximum cut and boost of around 10dB at 10K and 50Hz
author: Andy Collinson visits: 663 
A simple mixer with 3 line inputs and 3 mic inputs using commonly available parts
author: visits: 652 
A 24 Watt Class A Amplifier made from discrete semiconductors, built and tested by Marc Klynhans from South Africa
author: Marc Klynhans visits: 626 |
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