5 – Rear panel connections
TASCAM AV-452
Installation & Support Guide
13
AV audio and microphone connections
NOTE
The AV-452 is supplied with several sets of shorting
plugs for the unused RCA input connectors. Remove
these when making connections to these terminals, and
leave them in place when these terminals are unused.
This will help to improve the audio performance of the
system.
In addition to the connections listed here, there is
also a pair of
AUX
audio inputs
D
on the front panel.
NOTE
All XLR-type connectors are wired with pin 1 to ground,
pin 2 hot, and pin 3 cold.
P
DVD IN connectors
This pair of connec-
tors accepts the audio outputs of a DVD player.
Q
VCR OUT and IN connectors
These
pairs of connectors feed the audio inputs of a video-
cassette recorder (
OUT
) and accept the output signals
from the VCR (
IN
).
R
CD-RW OUT and IN connectors
These
pairs of connectors feed the inputs of a CD recorder
(
OUT
) and accept the output signals from the CD re-
corder (
IN
).
S
CASSETTE OUT and IN connectors
These pairs of connectors feed the inputs of a cas-
sette recorder (
OUT
) and accept the output signals
from the cassette recorder (
IN
).
T
MIC GRP INSERT connector
This TRS
1/4" connector is used to pass the summed micro-
phone signals through a dynamics processor (limiter,
gate, etc.) or a graphic or parametric EQ unit, etc.
The connector is wired with tip = send, ring = return,
sleeve = ground).
U
PHANTOM POWER switch
Use this
switch to p48V phantom power to condenser
microphones. All four microphone inputs are acti-
vated with the same switch.
Do not use dynamic microphones connected with an
unbalanced connection or high-impedance micro-
phones, with phantom power turned on.
NOTE
To avoid possible damage to microphones, always con-
nect microphones, turn down the
ROOM VOLUME
control, and turn the speakers off using the
AMP A
and
AMP B
keys, before switching the phantom power on
or off.
V
MIC 1 through 4 connections
Micro-
phones can be connected using the XLR connectors.
In permanent installations where wires are being run
through walls, the bare wires can be connected to the
barrier strip instead.
Do not connect microphones via the XLR and barrier
strip connections of the same microphone channel
(though it is possible to connect some microphones
via the XLR connectors and some via the barrier
strip).
Always make sure that polarity is observed consis-
tently throughout the installation, in order to avoid
phase reversal problems.
P Q
R
S
T U
V
