Yamaha Q2031A - Manual (Page 6)

REAR PANEL
O
INPUT Connectors
Both balanced (3-pin female XLR type connectors) and un­
balanced (1/4” phone jacks) input connectors are available.
A 600 ohm line should be used for both. Use the INPUT
LEVEL switch to set the rated input level to either +4 dB or
-20 dB.
©INPUT LEVEL Switch
Use this switch to set the rated nominal input level to corre­
spond to the rated output level of the equipment to be
connected.
0 OUTPUT Connectors
Both balanced (3-pin male XLR type connectors) and un­
balanced (1/4” phone jacks) output connectors are available.
A 600 ohm lines should be used for the balanced XLR’s and
a 10k ohm line for the unbalanced 1 /4” phone jacks. Use the
OUTPUT LEVEL switch to set the rated nominal output
level to either +4 or —20 dB.
©OUTPUT LEVEL Switch
Use this switch to set the rated nominal output level to
correspond to the rated input level of the equipment to be
connected.
U.S. & Canadian models only
©TRANSFORMER In/Out Switch
This switch inserts the optional (See item ©) Input
Transformers into the input stage, bypassing internal
electronic balancing.
©Input Transformer Octal Sockets
Two Octal Sockets are provided to accept optional
15k to 15k ohm bridging Input Transformers. (BRT15K)
©Internal Output Transformer (Optionals)
The Output Transformer should be installed by a quali­
fied service technicians.
TYPICAL CONFIGURATIONS
Insertion between the channel (master) insert out/in
MIXING CONSOLE
INSERT OUT
OUTPUT
L R
INSERT IN
02031A
POWER AMPS
Insertion in the main line of the output system
MIXING CONSOLE
CH A INPUT
CH A OUTPUT
SPEAKERS
POWER AMPS
SPEAKERS
OUTPUT L
OUTPUT R
Q2031A
CH A CH A
INPUT OUTPUT
CH B CH B
INPUT OUTPUT