Sig 70 Mono block input question

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Sig 70 Mono block input question
« on: 22 Dec 2015, 08:50 pm »
There are two inputs on the back of each of the Signature 70 monoblocks. I'm feeding my DAC output into the top one, and it works great, naturally. Does anyone know what the bottom input is? I tried switching one of the DAC outputs into the bottom one and the sound exploded in volume. Is that normal? What's going on? Any help would be greatly appreciated.


Re: Sig 70 Mono block input question
« Reply #1 on: 22 Dec 2015, 11:01 pm »
The lower rca is a "Line-level output “pass through” provides option to drive active subwoofers or other power amplifiers (i.e. bi-amping)