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Audio devices - list of circuit diagrams
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: 1234 
A 2 Watt audio amplifier made from discrete components
author: Andy Collinson visits: 1096 
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: 514 
good replacement amplifier for low to medium audio power systems
author: visits: 402 
Circuit with an exceptionally fast high frequency response, as demonstrated by applying an 100kHz squarewave to the input
author: Graham Maynard visits: 383 
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: 283 
A simple mixer with 3 line inputs and 3 mic inputs using commonly available parts
author: visits: 273 
this simple circuit will indicate peak audio response on an analogue meter, similar to a tape recorders meter
author: visits: 228 |
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