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Edited 2025.06.17 [10:37]
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Circuit of Microphone Preamplifier
Circuit of Microphone Preamplifier || An example circuit of microphone preamplifier / *Note: Resistors R2 - R12 are mounted directly to the 12 position rotary switch, SW1. There is no connection to switch position 1. ...
/ The Music Telegraph
The Stereo Flange Effect
The stereo flange effect produces a pleasant "swirling" sound that can effectively thicken and add warmth to the sound of an instrument. It is produced by varying the amount of delay time be ...
The Music Telegraph
| 2025.05.09 14:23
Beyond the VU Meter: The Shift to Peak Monitoring in Audio Recording
In the past, recording engineers relied heavily on the VU (Volume Unit) meter to gauge audio levels passing through their analog consoles and onto analog tape. For the most part, this method seemed to ...
The Music Telegraph
| 2025.03.17 16:45
Expander Techniques: Eliminating Noise and Refining Sound
An expander can serve both as a problem-solving tool—reducing ambient background noise and improving isolation—or as a creative effect, shaping the ADSR envelope of a sound. In this article, you'l ...
The Music Telegraph
| 2025.02.17 14:42
Limitations of Analog Tape Recorders' Dynamic Range
The analog tape recorder (a.k.a. analog tape machine) cannot respond to the full 120 dB of dynamic range that our ears can. Therefore it can never really fool the ear into thinking the recording is re ...
The Music Telegraph
| 2024.10.14 14:05
Maintaining A Clean Signal When Using EQ
Life in professional audio involves processing audio signal with things like equalizers, effects programs, dynamic level controllers, etc. When you use these devices they can end up adding more level ...
The Music Telegraph
| 2024.07.03 16:10
Characteristics of Analog Equalizer
In operation, an equalizer should affect only the desired frequencies and no others in theory. It should be able to process the unaffected signals without altering their characteristics. In reality, h ...
The Music Telegraph
| 2024.02.26 11:17
The 3 Levels of Pro Audio
Audio Level Chart & Signal Flow Block Diagrams; 3 Levels of Pro Audio: Mic Level, Line Level, and Speaker Level; * In VU meter (averaging meter), 0 vu = +4 dBv (for audio), 0 vu = +8 dBv (for broadcas ...
The Music Telegraph
| 2023.10.23 17:01
The Effect of Threshold and Ratio on Compressor's Output Level
In this article, I will suggest you an operation from which you will gather data that will aid you in understanding how the threshold and ratio parameters effect the operation of a compressor. You wil ...
The Music Telegraph
| 2023.08.15 18:23
A Brief on Signal Generator (2)
You will be using a signal generator (a.k.a. sine wave generator) in many different applications in professional audio and music creation. It is therefore important to know how the output level of the ...
The Music Telegraph
| 2023.05.09 12:23
A Brief on Signal Generator (1)
The signal generator (a.k.a. sine wave generator) is a valuable tool for diagnosis and repair of audio electronics. It is an essential piece of equipment for analog tape machine alignment, room acoust ...
The Music Telegraph
| 2023.04.17 08:55
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