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LFE channel voltage?

sounkyo, modified 13 Years ago.

LFE channel voltage?

Youngling Posts: 1 Join Date: 2/13/10 Recent Posts

I have AV amp whose RCA pre-outs have (presumably normal?) specifications of 1V/1.2kOhms, but the subwoofer output is specced 4V/1.2kOhms. Is this normal, and especially is it safe to plug into the LFE input of my new 5040a?

- Yrjö
christophe-anet, modified 13 Years ago.

Re: LFE channel voltage?

Jedi Knight Posts: 188 Join Date: 3/23/09 Recent Posts

Thanks for your post and question. As mentioned in our FAQ, the LFE channel has 10 dB more headroom than other channels. Also, the so-called subwoofer output is not necessarily just an LFE output if one uses the AV receiver for crossover/bass management. The subwoofer output sends a combination of LFE channel + redirected low frequencies from all main channels which will naturally require more swing.

So, to conclude, you can safely plug your 5040A LFE input to your AV device.

Best regards,