DESCRIPTION
TUS404 has two distinct sections A and B :
A - Two right and left channels affords to transform an unbalanced modulation to a balanced
modulation.
The gain is adjustable from 0dB to +22dB. (independent right and left controls).
B - Two right and left channels affords to transform a balanced modulation to an unbalanced
modulation.
The gain is adjustable from -28dB to-6dB. (independent right and left controls).
Precise adjust via multiturn.
TRA20 output transformater option on section A.
Input A and Input B can be reduced to mono via internal jumpers.
APPLICATION
TUS 404 has been mainly designed to interface the sources and unbalanced audio equipments
with balanced installations.
It is quite capable of connecting a cassette player, a MD, a DAT or a CD player to a totally balanced
professionnal installation.
One interesting use is the possible insertion of an unbalanced appliance into a balanced system
(half of TUS404 is used on downstream side, and the other half is used on upstream side of the
equipement).
Interface of digital audio broadcastersound card.
BLOCK DIAGRAM
UNBALANCED
INPUT
A
BALANCED
INPUT
B
Rami
LEFT
LEFT
RCA
RCA
Mono
Mono
RIGHT
RIGHT
RCA
RCA
LEFT
LEFT
XLR3F
XLR3F
Mono
Mono
RIGHT
RIGHT
XLR3F
XLR3F
XLR3M
XLR3M
Option
Option
XLR3M
XLR3M
Option
Option
10
LEFT
LEFT
FLOATING
BALANCED
OUTPUT
A
RIGHT
RIGHT
LEFT
LEFT
RCA
RCA
UNBALANCED
OUTPUT
B
RIGHT
RIGHT
RCA
RCA
TUS404