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Audio Public Address Sound System.

Mornin' All,

I need some advice please.

Imagine a portable sound system as used by travelling musicians, rock guitarists or others with electric instruments. There will be a large mixing desk, and amplifier and speakers. All is well if the musicians with electric instruments only plug their 1/4 inch jack plugs into their instruments when the mixer sliders are down (off) so as not to cause a big pop or bang through the speakers. Sometimes though the jack plugs are unplugged from the instruments when the mixer sliders are up (on) and a terrible sound results from the speakers.

Is there a "magic box" that can be inserted in line with the audio leads from the instruments to the mixer that AUTOMATICALLY prevents this unwanted loud noise problem?

Thanks,

Z.

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0 Zoomup over 5 years ago

M. Joshi:

Yes, a DI box will take a 1/4" unbalanced input from your instrument and convert it to balanced XLR to run back to your mixer. Most have a loop through (link) on the input so you can feed a monitoring amplifier/speaker.

This is a good one:

https://www.thomann.de/gb/bss_ar133.htm

There are cheaper ones, try to avoid Behringer.

Thanks very much M.J.

Z.
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0 Zoomup over 5 years ago

M. Joshi:

Yes, a DI box will take a 1/4" unbalanced input from your instrument and convert it to balanced XLR to run back to your mixer. Most have a loop through (link) on the input so you can feed a monitoring amplifier/speaker.

This is a good one:

https://www.thomann.de/gb/bss_ar133.htm

There are cheaper ones, try to avoid Behringer.

Thanks very much M.J.

Z.
Cancel
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