Digital audio ACHAPELL AUDIO 992EG Panduan Pengguna - Halaman 7
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HOOKUP
AC PEM: Double check the power setting on the power entry
module (PEM) is correct. In the USA it should always read 115v
on the red voltage indicator located just above the rear power
rocker switch. As stated above, use only a 3 prong detachable
AC power cord. See the SERVICE/REPAIR section for replacing the
fuse(s).
• XLR INPUT: Located on the rear panel are the balanced
Microphone XLR inputs. The pin orientation is standard.
• XLR OUTPUT: Above the XLR inputs are the balanced
XLR outputs. These outputs are to be connected to your
recording/broadcast console, recorder, or other devices that
can accommodate a balanced line level signal.
• Hi-Z INPUT: Located on the front panel are the auto-switching
Hi-Z instrument inputs. This Hi-Z stage is placed in front of the
balanced microphone input stage and utilizes a Cinemag
transformer for signal balancing.
METER
Meter
48v
Off
Off
METER
-20 dB
TOGGLE
INPUT PAD
PHANTOM
POWER
FIGURE 2.1 The five LED tipped toggles on channel 1 are (from left to right) Meter, 48v, -20db, Polarity Reverse and Mute.
The two lower knobs on the inside are for input gain and the two upper knobs are for output gain.
CONTROLS
• TUBE DRIVE / INPUT GAIN: The INPUT controls how much of the source signal is fed to the first stages
of the vaccuum tube. Higher levels will drive the tube harder and result in more harmonics. Think
of this control as your anount of tube coloration/harmonics (distortion).
LACHAPELL AUDIO MODEL 992
OUTPUT
TUBE DRIVE
GAIN
INPUT GAIN
Model 992: Two Channel Fully Balanced Vacuum
Output Gain
-20
0
Mute
Off
Norm
Chl On
Hi-Z
CHANNEL
HI-Z
MUTE
INPUT
POLARITY
REVERSE
LaChapell Audio
Tube Preamplifier
Input Gain
Input Gain
Power
Off
Hi-Z
POWER
TOGGLE
INTERNATIONAL POWER
SETTINGS:
At this time power settings other
than 115v are only available as
a factory modification.
DO NOT attempt to use the
red voltage fuse sub module
for voltage adjustments. If
this modification has been
performed you will see the
corresponding check box
marked on the rear panel
accordingly. Contact Digital
Audio Labs if you have any
questions.
Output Gain
Mute
0
-20
48v
Chl On
Norm
Off
Off
Meter
Off
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