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TUBE ULTRAGAIN T1953
5.3 Audio connections
As standard, the BEHRINGER TUBEULTRAGAIN is installed with electronically servo-balanced inputs and
outputs. This circuit design features automatic hum and noise reduction for balanced signals and thus allows
for trouble-free operation, even at high operating levels. Externally induced mains hum etc. will be effectively
suppressed. The automatic servo-function recognizes the presence of unbalanced connectors and adjusts the
nominal level internally to avoid level differences between the input and output signals (correction 6dB).
+ Please ensure that only qualified persons install and operate the TUBEULTRAGAIN. During
installation and operation the user must have sufficient electrical contact to earth. Electro-
static charges might affect the operation of the TUBEULTRAGAIN!
Fig. 5.1: Different plug types
5.4 Transformer-balanced output (option)
In contrast to electronic balancing, the use of transformer-balanced outputs offers the advantage of galvanic
separation between units. Electrical potential differences and ground loops in audio installations do not
therefore impair the performance of the units. The transformer-balanced outputs, commonly used in radio and
TV engineering, can also be fitted retrospectively upon request. The BEHRINGER transformer OT-1 is
designed to the highest exacting standards and is available as an accessory.
5. INSTALLATION