Amplifier Research 701R Manual del usuario - Página 5
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Imprimir páginaREAR PANEL INPUT SECTION
The rear panel of the 701R Mixer contains all the interface
connection to and from the electronic circuitry. The versatili¬
ty offered by these connections is unmatched by any com¬
peting unit and a thorough understanding of the various
features is essential in order to fully realize the performance
and versatility of this unit.
Each channel features both balanced (symmetrical) low im¬
pedance (600 ohms) as well as high impedance (50K ohms)
unbalanced inputs, Each of these inputs feature extremely
wide dynamic range and are fully transient-protected to en¬
sure durability under road conditions. While these inputs are
intended primarily for microphones, they will also work well
for many other types of program sources.
OUT/IN JACK (22)
The 701R features a "stereo" out/in jack on each channel to
facilitate the use of direct outputs/inputs from the preamps
for "patching" various auxiliary units (chorus, flanging,
tape/digital/analog delays, equalizers, etc.) "inline." To utilize
this unique system, a stereo plug (ring/tip/sleeve) to a "Y"
chord must be used. The "tip" portion of the W' stereo jack
serves as the channel send (output) while the "ring" portion
will return the processed signal to the channel. The "sleeve"
portion serves as the ground.
Since this is a stereo jack configuration, the first "click" on
the jack may be used as a "pre-EQ" output with a mono Vi"
plug if desired. This first "click" will not disturb the signal
flow to the remainder of the channel as it is fed into the master
section. NOTE: IF THE SECOND CLICK OF THE OUT/IN
JACK IS UTILIZED WITHOUT RETURNING ANY SIGNAL TO
THE CHANNEL FROM AN EFFECTS DEVICE THE REMAIN¬
ING PREAMP FUNCTIONS WILL BE DISABLED.
REAR PANEL
REAR PANEL MASTER PATCH SECTION
SUBS (A & B), MONITOR, AND SUM OUTPUTS (23)
Each line out features a phone jack as well as a balanced
XLR output to enable maximum patching flexibility. These line
amplifiers are capable of providing more than 8V RMS out¬
put, and are fully transient and short circuit protected for max¬
imum field reliability. The output level presented by these jacks
is controlled by the settings of the various master level con¬
trols on the front panel.
EFFECTS OUTPUT (24)
The effects output presents the signal from the effects mix¬
ing bus. This jack is of a unique "two-position" type with the
first position being the low level output and the second posi¬
tion being the high level output. This unique arrangement
enables use of this mixer with either line level or instrument
level effects device depending on which "click" of the jack
is used. The overall output level from the effects jack is deter¬
mined by the setting of the master effects level control on the
front panel.
REVERB FOOTSWITCH (25)
To facilitate remote control of the reverberation function, we
have included a remote control footswitch jack. Any standard,
single pole footswitch may be used to remotely defeat the
reverb function. Please note that this switch disables the
reverb system only and has no effect whatsoever on the ef¬
fects system.
EFFECTS RETURN (26)
The effects return input on the rear panel may be considered
an auxiliary channel featuring its own level and panning con¬
trols located on the front panel. This effects return is capable
of handling a wide range of input signals and is a very high