PS1 Powerstand / Daisy Chain: Difference between revisions
m →Two {{PS1}}s for one Vocal: why -20 dB |
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* In the Channel 1 section run an XLR cable from the Channel 1 Line Out | * In the Channel 1 section run an XLR cable from the Channel 1 Line Out | ||
* At the other end of the cable connect a [[Pad]]. The people-at-Bose usually recommend a -20 dBu pad. Some owners have reported success with a -10 dBu pad. | * At the other end of the cable connect a [[Pad]]. The people-at-Bose usually recommend a -20 dBu pad. Some owners have reported success with a -10 dBu pad. | ||
** Why -20 dBu? | |||
:The XLR connects to a balanced low impedance input stage with a lot of gain. The 1/4" input is unbalanced, has about 20 dB less overall gain but a very high input impedance. <ref [http://bose.infopop.cc/eve/forums/a/tpc/f/867107664/m/8491032313?r=4771073313#4771073313 Hilmar-at-Bose]> | |||
* Connect the [[Pad]] to the second {{PS1}} Channel 1 or 2. | * Connect the [[Pad]] to the second {{PS1}} Channel 1 or 2. | ||
* On the first {{PS1}}, set the input trim appropriately. | * On the first {{PS1}}, set the input trim appropriately. | ||