B1 Subwoofer (mono) out - diyAudio
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Old 19th September 2011, 04:55 PM   #1
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Default B1 Subwoofer (mono) out

I built a B1 buffer with no source selector to keep it as simple as possible. It sounds great... compares favorably to my friends Audio Research LS15.
I am wondering if I can sum the hot outputs to create a mono line out to a subwoofer that is still controlled by the attenuator?
Thanks.
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Old 19th September 2011, 05:06 PM   #2
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Default BQ

I didn't sum, but had two sets of outputs on mine, so then i could stereo a sub or two, works fine for me. I don't see an issue at all with summing and then having a mono out.

JP
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Old 20th September 2011, 12:56 AM   #3
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Thanks. I will try using external patch cords first and take a listen. If it flies I'll install a proper jack on the back.
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Old 21st September 2011, 09:21 PM   #4
tinitus is offline tinitus  Europe
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don't know your sub amp, but doesn't most plate amps have stereo RCA/phono input, and thus the signal is 'summed' by sub module
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Old 22nd September 2011, 02:44 PM   #5
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I am trying to bypass any connections between my main power amp and main speakers.
My goal is to have a separate parallel line to feed a simple mono sub.
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