![]() ![]() So the requirement for output voltage is no different from other channels. This does not mean that the sub out must handle 10db higher voltage, it just means that for a 0dB signal the spl from the bass-system should be 115dB. ![]() LFE is +10dB which ends up at 115dB for 0dB. Sub out from processor/avr is the input signal to the bass-system, and in a decent cinema system, this system is designed for both full frequency range and necessary output capacity, which is >125dB. Still, I can not see that this issue is tested for in the processor/avr reviews here on this site. Clipping of the low frequency signal somewhere in the chain is a real problem, and care must be taken to ensure this does not happen.
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