Difference between revisions of "PS1 Powerstand / Daisy Chain"

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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.

Revision as of 09:36, 26 May 2011

L1 Model I This information is applicable to the L1 Model I
Classic This information is applicable to the L1® Classic

On the relatively rare occasion where you might need to connect the output from one PS1 Power Stand (Classic) / Model I to another PS1 Power Stand (Classic) / Model I.

Here are some ways to approach it.

Two PS1 Power Stand (Classic) / Model Is for one Vocal

You can

  • Run your microphone into the first L1® PS1 Powerstand (let's say - Channel 1).
  • 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.
    • 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 Hilmar-at-Bose>

Daisychain.jpg

Arrows indicate the direction the signal is flowing.

Two PS1 Power Stand (Classic) / Model Is for Mono Tracks (or one side of stereo pair)

In this example, we are using Channel 2 so that you leave Channel 1 available for another input like a vocal.

You can

  • Run your input into the first L1™ PS1 Powerstand (let's say - Channel 2).
  • In Channel 2 section run an XLR cable from the Channel 2 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.
  • Connect the Pad to the second PS1 Power Stand (Classic) / Model I Channel 2.
  • On the first PS1 Power Stand (Classic) / Model I, set the input trim appropriately.
  • Choose the best preset for your microphone.
  • On the second PS1 Power Stand (Classic) / Model I, the input trim should be similar to what you set on the first one, but check the trim o/l light for a solid green light (occasional red flickers are okay).
  • On the second PS1 Power Stand (Classic) / Model I, use the same preset as you used for the first one.
  • For prerecored music or tracks or keyboards you want B1 Bass Modules as close together as possible, and the L1™s close together -or- at least 20 feet apart.

DaisyChainTracksOn2.png


XLR Female to ¼ Inch Tip-Sleeve Male

Here is another method - use a cable with a XLR Female to ¼ Inch Tip-Sleeve Male from a Powerstand Line OUT to Channels 1, 2, 3 or 4 on a second Powerstand.

XlrFtxM.png