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.Remove the three-pin plug element by turning the screw counterclock-wise and withdrawing the element from the case.

2.Remove the GREEN lead pin jack from pin 3, and insulate the jack and bare lead.

3.Remove the tape from the pin jack on the WHITE lead and push the jack firmly onto pin 3.

4.Replace the plug element in the housing and fasten the screw firmly in place

(turn clockwise).

©2009 Shure Incorporated

Printed in U.S.A.

27C1916 (Rev. 5)

 

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Shure A15BT manual Bridging Transformer, MEDIUM-IMPEDANCE Selection
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A15BT specifications

The Shure A15BT is a cutting-edge Bluetooth audio receiver designed to deliver premium sound quality and versatility for a variety of audio applications. It caters to musicians, audio professionals, and everyday users who appreciate both performance and convenience. The device seamlessly integrates high-fidelity audio playback with wireless connectivity, making it an ideal solution for both studio and live settings.

One of the standout features of the A15BT is its Bluetooth 5.0 technology, which ensures a strong and stable connection, reducing audio dropouts while maintaining a rich sound experience. The receiver supports a range of codecs including aptX and AAC, allowing for high-resolution audio streaming. This means you can enjoy your favorite music or podcasts with exceptional clarity and depth, free from the constraints of traditional wired connections.

The A15BT is designed with a robust metal housing that not only enhances durability but also ensures minimal interference from external sources. This is particularly beneficial in environments where electronic devices may cause signal disruption. Additionally, the device features a low-profile design, making it easy to carry and use in various settings, from intimate studio sessions to larger live performances.

In terms of connectivity, the A15BT is versatile, equipped with a 3.5 mm TRS output, allowing it to connect with a wide range of audio equipment, including mixers, amplifiers, and headphones. The receiver can also be powered via USB, providing flexibility for both mobile and stationary setups.

Another notable characteristic of the A15BT is its user-friendly interface, which includes LED indicators for battery status and connection status, making it easy to monitor performance at a glance. The built-in rechargeable battery offers extended playtime, ensuring that users can enjoy uninterrupted use during long gigs or sessions.

Overall, the Shure A15BT combines advanced technology with practical design features, making it an excellent choice for anyone looking to enhance their audio experience with the convenience of Bluetooth connectivity. Whether for professional use or personal enjoyment, this receiver stands out as a reliable and high-quality option in the realm of wireless audio solutions.
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