Thanks noromance, that was the essence of my question. On reflection, I realized that must be so. I was confused because the Bryston SP3 processor has a single sub output in addition to LR outputs whereas the Ayre KX-5/20 preamp has only LR outputs. Obviously the SP3 does the summing internally.
Preamp LR to sub?
I plan to use a pair of Velodyne HGS-15s with a pair of Velodyne SMS-1s that provide acoustic room correction to supplement a pair of KEF Reference 1s. Output to the SMS-1s will be LR XLR from an Ayre KX-5/20 preamp. But the last time I fired up the HGS-15s I recall hearing a hum from one of them. If I use only one HGS-15 while the other is repaired, should its SMS-1 receive both LR from the preamp, or does it matter.
Finally, any recommendation for low-pass and slope settings. IIRC I'd been using 40 Hz and 24 dB. The subs are mostly activated by organ pedal notes and explosions in movies (HDMI from DX-5 DSD to Bryston SP3 to KX-5/20 by-pass).
db
Finally, any recommendation for low-pass and slope settings. IIRC I'd been using 40 Hz and 24 dB. The subs are mostly activated by organ pedal notes and explosions in movies (HDMI from DX-5 DSD to Bryston SP3 to KX-5/20 by-pass).
db
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