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Audio devices - list of circuit diagrams

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2 Watt Audio Amplifier circuit diagram
A 2 Watt audio amplifier made from discrete components

author: Andy Collinson
visits: 2348
ECM Mic Preamplifier circuit diagram
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: 2087
Doorphone Intercom circuit diagram
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: 833
Computer Microphone circuit diagram
Simple computer microphone circuit

author: Lazar Pancic
visits: 737
Hi-Fi Preamplifier circuit diagram
Circuit with an exceptionally fast high frequency response, as demonstrated by applying an 100kHz squarewave to the input

author: Graham Maynard
visits: 709
8 Watt Amplifier circuit diagram
good replacement amplifier for low to medium audio power systems

author:
visits: 699
Audio Line Driver circuit diagram
Low output impedance preamplifier

author:
visits: 557
6 Input Mixer circuit diagram
A simple mixer with 3 line inputs and 3 mic inputs using commonly available parts

author:
visits: 554
Tone Control Circuit circuit diagram
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: 544
Peak Reading Audio Level Meter circuit diagram
this simple circuit will indicate peak audio response on an analogue meter, similar to a tape recorders meter

author:
visits: 429
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