1
Introduction
Your new AP312 Mixer/Amplifier is designed and built to provide long-term trouble free
performance. Drawing on over thirty years of experience in the design and manufacture
of powered mixing consoles, Yorkville engineers were able to optimize the design of the
AP312 to include comprehensive features such as rack mountability, quiet internal fan
cooling, two stereo input channels with cue buttons, headphone monitoring of both the
cue and monitor busses, phantom powering, dual 9-band EQ’s, power amp channels
and EQ’s assignable to Left/Right stereo operation or Main/Monitor mono operation, 255-
preset digital signal processing, dual level meters and 320 watts of stereo power built-in.
Terminology
• 3
-pin microphone inputs are referred to as
XLR
connectors.
• 1/4
-inch jack sockets are called
phone
connectors.
• Balanced
1/4
-inch inputs or outputs are called
TRS
or
T
ip-
R
ing-
S
leeve
• Master control and mixing channels are called
busses
.
• Overload indicators are called
Clip LED’s
.
• Patch cables with dual conductors plus shielding and ring-tip-sleeve (stereo)
1/4
-
inch phone plugs are referred to as
balanced
patch cables.
Basic Features
Channels 1 - 8
• XLR MIC and balanced TRS LINE inputs new, with low-noise input circuit
design.
• Balanced LINE inputs accept either balanced or unbalanced lines.
• PHANTOM power (24 volts).
• 78dB of input GAIN-adjustment range.
• MONitor send controls are pre-EQ and pre-fader for a totally independent mon-
itor mix.
• Three-band EQ with +/-15dB of range.
• Post-EQ, post-fader, EFX (effects) send controls.
• PAN controls provide constant gain levels at all settings.
• Increased circuit headroom and gain for a more flexible mix.
• Gold internal bus-interconnects for long life and maximum signal integrity.
• Pulse-stretching CLIP LED’s indicate even the briefest peaks and fire at 3dB,
well before the onset of actual clipping at any and all active channel stages.
Stereo Channels (9/10, 11/12)
(see diagram on following page)
•
Left and Right 1/4” balanced TRS LINE inputs accept either balanced or
Unbalanced lines.
•
The LEFT TRS input may be used for connecting a mono source and will
internally patch it to the RIGHT channel input circuitry.
•
LEFT and RIGHT RCA inputs.
•
LOW and HIGH frequency shelving EQ.
•
BALANCE control
• CUE buttons let you preview these channels through headphones with the level
faders shut off.
Содержание AP 312
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