1970 AKG C-451E Mic System Ad

AKG C-451E Microphone System
the common-sense approach to phantom powering.
Just one or two resistors!
Simple, isn’t it?

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The AKG C-451E may be powered at the cost of one or two precision resistors: No separate AC or DC power supplies required nor special “cards” or “central” power supplies at additional cost.