Shure Personal Lift A15BT User Manual

Model A15BT User Guide  
BRIDGING TRANSFORMER  
The A15BT matches, bridges, or isolates balanced and unbalanced devices of different  
impedances and levels.  
Impedance: XLR socket (Female), 33,000Ω  
XLR plug (Male), 7500Ω, easily converted to 600Ω.  
Unbalancing: Either end can be unbalanced by connecting pins 1 and 3.  
Voltage difference: From 33,000Ω to 7500Ω, 6.4 dB  
From 33,000Ω to 600Ω, 17.4 dB.  
MEDIUM-IMPEDANCE SELECTION  
As supplied, the A15BT XLR plug is at 7500Ω. To convert to 600Ω, refer to Figure 1 and  
proceed as follows:  
1.  
2.  
3.  
4.  
Remove the three-pin plug element by turning the screw counterclock-wise and  
withdrawing the element from the case.  
Remove the GREEN lead pin jack from pin 3, and insulate the jack and bare  
lead.  
Remove the tape from the pin jack on the WHITE lead and push the jack firmly  
onto pin 3.  
Replace the plug element in the housing and fasten the screw firmly in place  
(turn clockwise).  
©2009 Shure Incorporated  
27C1916 (Rev. 5)  
Printed in U.S.A.  
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Impedance  
XLR Pin Connector (M):  
XLR Socket Connector (F):  
Voltage Ratio  
7500Ω or 600Ω  
33,000Ω  
7500 Ω  
600 Ω  
Medium-impedance to  
high-impedance:  
+6.4 dB  
+17.4 dB  
High-impedance to  
medium-impedance:  
–6.4 dB  
–17.4 dB  
Driving Source  
Impedance (ohms)  
Winding Being  
Driven (ohms)  
600  
Maximum  
Level (Volts)  
0.5  
600  
600  
600  
7,500  
2.5  
6.0  
1.5  
5.0  
5.0  
33,000  
7,500  
7,500  
7,500  
33,000  
Case  
33,000  
33,000  
Full magnetic shield, steel with gray enamel finish  
Dimensions  
19 mm (3/4 in.) diameter; 89 mm (3 1/2 in.) long  
CONNECTOR WIRING DIAGRAM  
GROUND  
GROUND  
TERMINAL  
BLUE  
YELLOW  
TERMINAL  
SNAP  
RING  
2
2
600  
3
3
BLACK  
WHITE  
GREEN  
7500  
33K  
1
1
FEMALE  
INSERT  
MALE  
INSERT  
RED  
TRANSFORMER  
BLACK  
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LIMITED WARRANTY  
Shure Incorporated (“Shure”) hereby warrants to the original consumer purchaser only that this product will be  
free in normal use of any defects in materials and workmanship for a period of two (2) years from the consumer’s  
original date of purchase directly from Shure or from a Shure-authorized reseller. At its sole option, Shure will repair  
or replace the defective product and promptly return it to you. In order for this warranty to be valid, the consumer  
must, at the time the product is returned, provide proof of purchase in the form of the original purchase receipt  
directly from Shure or from a Shure-authorized reseller. If Shure elects to replace the defective product, then Shure  
reserves the right to replace the defective product with another product of the same model or a model of at least  
comparable quality and features in Shure’s sole determination.  
If you believe this product is defective within the warranty period, carefully repack the unit, insure it and return it  
with proof of purchase, postage prepaid, to Shure Incorporated, Attention: Service Department, at the address  
below.  
Outside of the United States, return the product to your dealer or Authorized Service Center. Addresses are listed  
on www.Shure.com or can be obtained by contacting Shure at the address listed below.  
This warranty is not transferable. This warranty does not apply in cases of abuse or misuse of the product, use  
contrary to Shure’s instruction, ordinary wear and tear, an act of God, negligent use, purchase from a party other  
than Shure or a Shure-authorized reseller, unauthorized repair, or modification of the product.  
ALL IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE ARE  
HEREBY DISCLAIMED TO THE EXTENT PERMITTED UNDER APPLICABLE LAWS AND, TO THE EXTENT  
NOT PERMITTED, ARE HEREBY LIMITED TO THE DURATION AND TERMS OF THIS WARRANTY. SHURE  
ALSO HEREBY DISCLAIMS ALL LIABILITY FOR INCIDENTAL, SPECIAL, OR CONSEQUENTIAL DAMAGES.  
Some states do not allow limitations on how long an implied warranty lasts, or the exclusion or limitation of inciden-  
tal or consequential damages, so the above limitation may not apply to you. This warranty gives you specific legal  
rights, and you may have other rights which vary from state to state.  
This warranty does not restrict the rights of the consumer mandated under applicable laws.  
THIS WARRANTY SUPERSEDES ALL OTHER WARRANTIES THAT ARE ASSOCIATED OR INCLUDED WITH  
THIS PRODUCT.  
Shure Incorporated  
SHURE Incorporated http://www.shure.com  
United States, Canada, Latin America, Caribbean:  
5800 W. Touhy Avenue, Niles, IL 60714-4608, U.S.A.  
Phone: 847-600-2000 U.S. Fax: 847-600-1212 Int’l Fax: 847-600-6446  
Europe, Middle East, Africa:  
Attention: Service Department  
5800 W. Touhy Avenue  
Niles, IL 60714-4608 U.S.A.  
Shure Europe GmbH, Phone: 49-7131-72140 Fax: 49-7131-721414  
Asia, Pacific:  
Shure Asia Limited, Phone: 852-2893-4290 Fax: 852-2893-4055  
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