Скачать или смотреть How to connect a power amplifier to passive loudspeakers

In this video I discuss how to match and connect a power amplifier to passive loudspeakers in the context of live sound reinforcement. Although active speakers are all the rage these days there is nothing wrong with good old passive speakers, and they have the advantage of only needing a single connection, as opposed to the signal and power connections needed on an active cabinet.

Bookmarks for video:
00:00 Intro
01:08 The difference between active and passive loudspeakers.
02:45 Overview of a typical modern power amplifier.
10:25 Overview of a typical passive loudspeaker connector panel.
11:08 Step 1: Ensure amplifier and loudspeakers are correctly matched.
11:35 Step 1A: Determine power handling capacity of your loudspeakers
12:52 Step 1B: Determine loudspeaker impedance.
13:32 Step 1C: Calculate power delivery of amplifier into loudspeaker, based on impedance.
14:37 How to calculate the combined impedance of multiple loudspeaker cabinets.
17:17 Step 2: Connect mixer to power amplifier
17:47 Power amplifier modes: stereo, parallel, bridge mono.
20:51 Daisy-chaining power amplifiers
22:25 Step 3: Connect amplifier to loudspeakers.
25:58 Setting amplifier gain and level controls.

For a comprehensive discussion on the topic of matching power amplifiers to passive loudspeakers, check out this video:    • How to correctly match power amplifiers an...  

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