Here the circuit design for DIY guitar transistor preamp. It consists of a circuit of two transistors and four controls […]
Category: Pre-amplifier
Pre-amplifier circuit
Stereo Pre-amp with Volume and Tone Control
This is the circuit diagram of stereo pre-amp with volume and tone control. When using one of our amplifiers (big […]
Multidirectional microphone amplifier
This Multidirectional microphone amplifier circuit is often used in a panel discussion or a meeting room to capture the audio […]
Pre Amplifier with low impedance input
Preamplifier circuit diagram shown here has a low impedance input characteristics, therefore is suitable for use with magnetic transducers: dynamic […]
Preamplifier for magnetic phono cartridges
This amplifier circuit is intended to be added to the preamplifier which does not have a phono input. Such a […]
Hydrophone Preamplifier based on Op-Amp OPA37
This is Hydrophone preamplifier circuit diagram, designed to be used with a transducer type EDO6166, and is taken from an […]
Simple RIAA Preamplifier using Logic IC CD4069
The simple RIAA preamplifier circuit is just to show that we can sometimes change the role of a component. It […]
RIAA Stereo Preamplifier Classic Version based on NE5534
Here the RIAA stereo preamplifier classic version based on NE5534. This setting is intended for use with a vinyl turntable […]
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