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Audio Analogue Bellini User Manual

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Bellini preamplifier Virtual Battery off line power supply 1 / 5
Issue Date: June 2008
AUDIO FUTURA
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Research & Development
E-Mail (support):
sblanda@audioanalogue.com
podesta@audioanalogue.com
saggini@audioanlogue.com
elia@audioanalogue.com
Bellini preamplifier
Virtual Battery off line power supply
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Audio Analogue Bellini Specifications

General IconGeneral
BrandAudio Analogue
ModelBellini
CategoryAmplifier
LanguageEnglish

Summary

Introduction to Noise and Interferences

Virtual Battery Power Supply Design

Virtual Battery Circuit Operation

Explains the sequential switching and charging process of the virtual battery supply using capacitor banks.

Virtual Battery Schematic

Illustrates the virtual battery power supply circuit design, including filters, regulators, and capacitor banks.

FFT Spectrum Analysis at Volume 0

Presents noise spectrum measurement at the RCA output with no signal applied, detailing low frequencies.

FFT Spectrum Analysis at Volume Maximum

Shows noise spectrum measurement at the RCA output at maximum volume, highlighting 50Hz component reduction.

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