Originally Posted by
KLH
It all boils down to eliminating single points of failure. If a setup is modular - meaning that components have a specific function - it's usually easier to replace the malfunctioning gear without severely impacting the ability to continue the performance.
For example, (without a backup sound source) when a controller/DJ app fails, all sound stops until the DJ app AND controller works again. If a reboot is required, this can result in a 3 minute recovery time assuming that rebooting solves the problem.
With a modular setup (usually two sound sources and a mixer), if a sound source fails then replacing it can happen invisibility as the other sound source can be used. Yes, the mixer going down will result in a loss in sound... but hardware mixer failures are very rare.
How can someone realistically address having no single point of failure with reasonable cost? That's the trick. Controllers are cheaper than other sound sources like two CDJs or TTs. Is it cheaper to have a DVS setup with extra sound sources or having multiple controllers? That's up to each DJ to determine.
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