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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: 8471
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: 5243
150W MP3 Car Amplifier circuit diagram
a diagramm of an active loudspeaker

author: Youssef Bouterfes
visits: 4772
LED flasher 2 circuit diagram
Simple LED flasher

author: Evin Devore
visits: 4064
Computer Microphone circuit diagram
Simple computer microphone circuit

author: Lazar Pancic
visits: 3660
Quadraphonic Amplifier circuit diagram
This is a four channel amplifier ideally suited for use with quadraphonic equipment such as a Sound Blaster Live card. There is no volume control,audio levels being directly controlled from the sound card itself.

visits: 3451
Buffer Amplifier circuit diagram
A hifi preamplifier designed to convert high output impedance amplifiers to 600 ohm outputs

author: Graham Maynard
visits: 3438
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: 3359
Dynamic Microphone Preamp circuit diagram
A low noise pre-amplifier suitable for amplifying dynamic microphones with 200 to 600 ohm output impedance

author: Andy Collinson
visits: 3349
8 Watt Amplifier circuit diagram
good replacement amplifier for low to medium audio power systems

visits: 3291
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