Wat is the difference betwee an amplifier and a pre-amplifier?

"An amplifier is often an integrated amplifier, with pre-amplifier and power amplifier in one device. A pre-amplifier regulates volume and sometimes balance and tone and lets you choose what source is used (cd, tape, turntable, etc). A pre-amplifier often provides a little amplification, just enough for the power amplifier. This is an active pre-amplifier. Sometimes a pre-amplifier does not amplify, making it a passive pre-amplifier."

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Виктор 01-04-2024
Ямаха модель 490
Мне нужно схему усилителя мощности

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andreas bimschas 19-01-2026
Dynacord Lautsprecher D 8 und Mischpult CMS 600
I bought these speakers and mixer for my grand piano. I have installed special ceramic microphones for grand pianos. I am a former radio and television technician. - The room in which the grand piano is located is approx. 3 x 4 m in size. I just want to double or triple the volume from the grand piano. My problem is the strong feedback whistling! I've already tried a lot of things. I would be very grateful for any helpful advice. Kind regards Andreas Bimschas

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