ATI Technologies BU400B Manuale operativo e di manutenzione - Pagina 2
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GENERAL
Consumer audio equipment can offer unique features, good performance and
attractive pricing making it very desirable for professional use. Unfortunately, RF
pickup, ground coupled cross talk, high frequency roll off, hum loops and distortion
are often the results of the direct connection of low level unbalanced IHF outputs into
the 600 ohm balanced systems used in studio or broadcast environments. Consumer
and semi-professional equipment can be identified by their use of RCA type
connectors, typical of home hi-fi equipment, for their IHF inputs and outputs.
Professional systems typically use XLR type connectors or hard-wired connections.
The BI100, BU400 and UB400 are interface amplifiers designed to interconnect
consumer grade and semi-professional equipment into professional, balanced, low
impedance audio systems.
The BI100 is a bi - directional stereo interface, which bridges a stereo pair of
professional 600 ohm balanced or unbalanced +4dBm lines and. converts those
signals to a nominal .25volt IHF level (-10dBu). The IHF output can feed, for example,
the record inputs of a consumer grade cassette or DAT recorder. Simultaneously the
BI100 also converts the unbalanced, high impedance, stereo, .25-volt IHF playback
outputs from the tape deck to a +4dBm output capable of driving balanced or
unbalanced lines of 600 ohms or greater line impedance.
The UB400 is a uni - directional four-channel interface that converts four IHF level
signals into four balanced professional outputs. The UB400 is particularly useful in
protecting the four, eight or sixteen main or monitoring IHF outputs of low cost mixers
and tape decks. The UB400 is also a very low cost way to interconnect two CO
players into a balanced system.
The BU400 is also a uni - directional four channel interface but it converts four
balanced professional Signals into IHF levels suitable for feeding the line inputs of
a multi-channel tape deck, OAT machine or mixer.
Several of these can comfortably share a single external WA 100, 24VOC I 400mA.
wall-mount AC/OC power supply. Battery packs for remote or back-up use are
planned for this product line. Check your dealer or a current price list for availability.
Up to three of these products will mount side-by-side in only one rack unit using the
available rack mounting kits. They may also be neatly stacked or mounted side-by
side on your desk with the available angled desk mounting kits.
The B1100, UB400 and BU400 use rugged XLR type connectors for the balanced
inputs and outputs. Gold plated RCA type jacks mate to the IHF world.
Audio Technologies Inc. 1154 Cooper Road #9021 West Berlin, NJ 080911 Voice 856-719-99001 Fax 856-719-99031 WINW.rn:i1audio.com