Balanced vs Unbalanced: Difference between revisions

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One source of confusion is that a cable with a ¼ inch jack Tip-Ring-Sleeve jack on one end may be used for several applications (examples)
One source of confusion is that a cable with a {{1/4 TRS}} jack on one end may be used for several applications (examples)
* Stereo headphones (left and right sides of a stereo signal)
* Stereo headphones (left and right sides of a stereo signal)
* Mono balanced connection (hot and cold signals)
* Mono balanced connection (hot and cold signals)
* Insert (send and return)
* Insert (send and return)


Whether or not a cable with a ¼ inch jack Tip-Ring-Sleeve plug is stereo or balanced (mono) or an insert cable depends on how it is being used and the electronic interfaces at both ends of the connection.  
Whether or not a cable with a {{1/4 TRS}} plug is stereo or balanced (mono) or an insert cable depends on how it is being used and the electronic interfaces at both ends of the connection.  


== Connections to Bose Portable PA Systems ==
== Connections to Bose Portable PA Systems ==
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[[Image:T1_Inputs.png|200px|T1 Inputs|right]]
[[Image:T1_Inputs.png|200px|T1 Inputs|right]]
* Channels 1, 2, 3 XLR inputs are balanced.
* Channels 1, 2, 3 XLR inputs are balanced.
* Channels 1, 2, 3 1/4" jacks are unbalanced (but will accept ¼ inch jack Tip-Ring-Sleeve) the connections are still unbalanced.
* Channels 1, 2, 3 1/4" jacks are unbalanced (but will accept {{1/4 TRS}}) the connections are still unbalanced.
* Channels 4/5 are balanced, but will accept &frac14; inch jack Tip-Sleeve. <br>If you use a &frac14; inch jack Tip-Ring-Sleeve from a balanced source, the connection will be balanced. <br>If you use a &frac14; inch jack Tip-Ring-Sleeve from an unbalanced source, the connection will be unbalanced.<br>If you use a &frac14; inch jack Tip-Sleeve from a balanced or unbalanced source, the connection will be unbalanced.
* Channels 4/5 are balanced, but will accept &frac14; inch jack Tip-Sleeve. <br>If you use a {{1/4 TRS}} cable from a balanced source, the connection will be balanced. <br>If you use a {{1/4 TRS}} cable from an unbalanced source, the connection will be unbalanced.<br>If you use a &{{1/4 TS}} cable from a balanced or unbalanced source, the connection will be unbalanced.


If you have a balanced source then using a balanced connection (XLR or &frac14; inch jack Tip-Ring-Sleeve) is preferable.
If you have a balanced source then using a balanced connection (XLR or &frac14; inch jack Tip-Ring-Sleeve) is preferable.
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=== {{Model II}} ===
=== {{Model II}} ===
[[Image:Analog Input 3.png|200px|Model II Analog Input|right]]
[[Image:Analog Input 3.png|200px|Model II Analog Input|right]]
* Model II Power Stand  Analog input is balanced. <br>It will accept &frac14; inch jack Tip-Sleeve. <br>If you use a &frac14; inch jack Tip-Ring-Sleeve from a balanced source, the connection will be balanced. <br>If you use a &frac14; inch jack Tip-Ring-Sleeve from an unbalanced source, the connection will be unbalanced.<br>If you use a &frac14; inch jack Tip-Sleeve from a balanced or unbalanced source, the connection will be unbalanced.
* Model II Power Stand  Analog input is balanced. <br>It will accept &frac14; inch jack Tip-Sleeve. <br>If you use a {{1/4 TRS}} cable from a balanced source, the connection will be balanced. <br>If you use a {{1/4 TRS}} cable from an unbalanced source, the connection will be unbalanced.<br>If you use a &frac14; inch jack Tip-Sleeve from a balanced or unbalanced source, the connection will be unbalanced.


If you have a balanced source then using a balanced connection (XLR or &frac14; inch jack Tip-Ring-Sleeve) is preferable.
If you have a balanced source then using a balanced connection (XLR or &frac14; inch jack Tip-Ring-Sleeve) is preferable.
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=== {{Model 1S}} ===
=== {{Model 1S}} ===
[[Image:Analog Input 3.png|200px|Model 1S Analog Input|right]]
[[Image:Analog Input 3.png|200px|Model 1S Analog Input|right]]
* Model II Power Stand  Analog input is balanced. <br>It will accept &frac14; inch jack Tip-Sleeve. <br>If you use a &frac14; inch jack Tip-Ring-Sleeve from a balanced source, the connection will be balanced. <br>If you use a &frac14; inch jack Tip-Ring-Sleeve from an unbalanced source, the connection will be unbalanced.<br>If you use a &frac14; inch jack Tip-Sleeve from a balanced or unbalanced source, the connection will be unbalanced.
* Model II Power Stand  Analog input is balanced. <br>It will accept &frac14; inch jack Tip-Sleeve. <br>If you use a {{1/4 TRS}} cabe; from a balanced source, the connection will be balanced. <br>If you use a {{1/4 TRS}} cable from an unbalanced source, the connection will be unbalanced.<br>If you use a {{1/4 TS}} cable from a balanced or unbalanced source, the connection will be unbalanced.


If you have a balanced source then using a balanced connection (XLR or &frac14; inch jack Tip-Ring-Sleeve) is preferable.
If you have a balanced source then using a balanced connection (XLR or &frac14; inch jack Tip-Ring-Sleeve) is preferable.