Quality Inspection for 10-PCS Hex Key Sets packaged by spring ring to Swaziland Factories
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Sticking to the belief of "Creating products of high quality and making friends with people from all over the world", we always put the interest of customers in the first place for Quality Inspection for 10-PCS Hex Key Sets packaged by spring ring to Swaziland Factories, We are always looking forward to forming successful business relationships with new clients around the world.
Basic Information
■Model Number: RL-NLJ004
Additional Information
■Material: 45# Carbon Steel
■Size: 1/16″-3/8″, 1.5mm-10mm
■Surface Treatment: Zinc-plated, Black Oxide
■Heat Treatment: Optional
■Package: Spring Ring + Suction Card
■OEM: Acceptable
■HS Code: 8204110000
■Samples: For FREE
■Delivery Time: Always 30 working days depending on the order quantity
■Packing: By standard cartons
Product Description
■Ningbo Rilong Hardware Tools Factory can provide various kinds of Hex Key with different sizes and packages.
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Check this video out by Milwaukee Tools!
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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:
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: https://www.youtube.com/watch?v=l9L7uK7Xy0w
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