Acoustic Image Ten2 EX Gebruikershandleiding - Pagina 4
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will find the phase reverse switch to come in handy. Feedback resulting from the use
of a mic can be reduced by inverting the phase in the channel in which the mic is
input. Phase related interactions between a pickup and a mic or two pickups can be
cleared up by reversing the phase of one of the channels and not the other. You
should experiment with the phase reversal switch in each channel to see if the effect
is one that you like.
Effects Loop
Acoustic Image preamps have output ("Send") and input ("Return") capability
in each channel to allow you to use effects boxes. The send output is affected
by the input volume and tone controls and can also be used as a preamp output
for driving other power amplifiers. The Return input can be used to directly
connect an external preamp to the unit's power amp. The effects level control in
each channel controls the volume of the returned ("wet") signal relative to the
original ("dry") signal. Because the effects loop is a parallel type, plugging
something into the send output does not interrupt the signal path. So, a tuner
can be plugged into the send output without affecting the signal going through
the amp. When the effects loops are not used, the level controls should be set
at zero.
The return input can also be used as an auxiliary input for connecting other line
level signals such as a CD player.
Direct Out
An XLR jack is provided for a Direct Out connection that allows the system's
output to be fed to mixing boards of house PA systems or recording studios. As
a result, the instrument amplified by the unit can be recorded or further
amplified by the house PA system. In the Ten2 combo, the Direct Out signal is
the combined output of the two channels. A switch is provided to allow you to
select whether the output from the Direct Out jack is affected by the tone
controls (post EQ) or not (pre EQ).
With the switch in either the pre or post EQ position, the input level control
affects the level of the Direct Out signal, the master level does not. This allows
independent adjustment of the "stage" volume (the volume coming from the
combo amp) and the "house" volume (the volume in the house PA system)
when the unit is used as a stage monitor. Once the level has been set for the
house, if more volume is needed on stage, the master level can be increased.
This will increase the stage volume but not the volume in the house PA.
A ground lift switch is available to "lift" the ground from the output of the direct
out--reducing noise should a ground loop create hum when the unit is
connected to a mixing board.
Mute Switch
A switch is provided to allow you to mute the output of the amplifier without
having to turn the amp off. This will allow you to tune your instrument on stage
without being heard. The amp output and direct out signals are both muted by
the switch. The mute switch has a red button on it to remind you that it is an
important switch.
If you are not getting any sound out of the amp, check to
make sure that the mute switch is off.
4
-10 dB MIC
ATTEN
OFF
ON
INPUT BUFFERS
-10 dB MIC
ATTEN
OFF
ON
INPUT BUFFERS
Signal Flow Diagram for Ten2
Off
On
Mic
Phantom
Channel 2
Effects
Send
Atten
Loop
Level
Bass
Mid
Treble
Level
Input
Return
Off
On
Mic
Phantom
Channel 1
Effects
Send
Atten
Loop
Level
Bass
Mid
Treble
Level
Input
Return
Ten2 Control Panel
5
FILTER
PHASE INV
OFF
OFF
CUT
180
PRE EQ OUT
BUFFER
FILTER
PHASE INV
OFF
OFF
CUT
180
Phase Inv
Ch 2
Ambient
60
Delay
Chorus
Plate
Flange
Off On
Room
Hall
30
400
Power
Freq
Off
On
Level
Ch 1
Effects
Low Cut
Phase Inv
Mute
Post EQ
60
Off On
30
400
Freq
Master
Off
On
Ch 2
Ground
Low Cut
Direct Out
lift