Relay For Speaker Switching at Sheila Tejada blog

Relay For Speaker Switching. Relays are some of the oldest switching parts available, but they are misunderstood by many audio hackers. Most power relays require a minimum current (wetting current) to remove oxidation from contacts. I'm thinking about controlling an audio signal (turning it on/off) using a solid state relay switch? My solution is to add a relay between the amplifier output and the speakers, which will turn on after the amp and off before. At first i thought it would be as simple as just having 2 speaker inputs. I am interested in making my own speaker selector switch. Some brands have different max. This requires very good gate drive to the mosfet. Switch in less than 30 µs to cater for a short circuit condition on the amplifier output. Use the best quality, and the highest possible current rating in that type of relay. Here's a run down on the basics and how to apply them.

4 ways select 1 output of Input Signal Selector Relay Board Audio Stereo Signal Switching
from www.aliexpress.com

At first i thought it would be as simple as just having 2 speaker inputs. Most power relays require a minimum current (wetting current) to remove oxidation from contacts. Here's a run down on the basics and how to apply them. Some brands have different max. My solution is to add a relay between the amplifier output and the speakers, which will turn on after the amp and off before. Switch in less than 30 µs to cater for a short circuit condition on the amplifier output. Use the best quality, and the highest possible current rating in that type of relay. This requires very good gate drive to the mosfet. I am interested in making my own speaker selector switch. I'm thinking about controlling an audio signal (turning it on/off) using a solid state relay switch?

4 ways select 1 output of Input Signal Selector Relay Board Audio Stereo Signal Switching

Relay For Speaker Switching At first i thought it would be as simple as just having 2 speaker inputs. Switch in less than 30 µs to cater for a short circuit condition on the amplifier output. I am interested in making my own speaker selector switch. My solution is to add a relay between the amplifier output and the speakers, which will turn on after the amp and off before. Here's a run down on the basics and how to apply them. This requires very good gate drive to the mosfet. At first i thought it would be as simple as just having 2 speaker inputs. Use the best quality, and the highest possible current rating in that type of relay. I'm thinking about controlling an audio signal (turning it on/off) using a solid state relay switch? Relays are some of the oldest switching parts available, but they are misunderstood by many audio hackers. Some brands have different max. Most power relays require a minimum current (wetting current) to remove oxidation from contacts.

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