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—continued
R. HEADPHONES - Plug in your stereo or mono
headphones here. Use MASTER Volume to control
your headphone listening level. Use MUTE {C} to
disable speaker audio output. NOTE: While any
headphones will work, 75–ohms is optimum.
S. EFFECTS SEND / RETURN - Multi-purpose jacks:
EFFECTS SEND provides a preamp output signal that
includes onboard tone shaping. Output level is
controlled by GAIN {D}. EFFECTS RECEIVE provides
a power amp input that can be blended in any ratio
with the onboard preamp signal using EFX BLEND {J}.
The Effects Loop circuit is on a “side chain” of the
main circuit (as in studio recording consoles) to
provide the full sound of your instrument AND the
diversity of your effects units. This circuit also reduces
noise generated by effects units because it is located
after the gain stages in the preamp signal path.
Use only standard 1/4" mono phone plugs
with these jacks. Use a stereo–to–mono adapter if
your source has a stereo plug.
1.
Effects Loop - Connect EFFECTS SEND to your
effects device input, then connect the effects
device output to EFFECTS RETURN. NOTE: Set
the wet/dry control on external effects units to the
fully WET position to prevent phasing problems.
Set the input level on external effects as close to
0dB as possible.
2.
Multiple Amps - Connect the primary unit’s
EFFECTS SEND to the auxiliary unit’s EFFECTS
RETURN. The primary unit is used to control all
auxiliary units except their MASTER Volumes. Set
EFX BLEND on all auxiliary units fully to WET.
3.
Recording or Reinforcement
- Connect
EFFECTS SEND to the sound equipment input.
4.
Accompaniment - Connect a CD player or drum
machine to EFFECTS RETURN. Control the input
level at its source and by using the EFX BLEND
control {J}.
T.
FOOTSWITCH - Plug in the included footswitch here.
Use the footswitch to remotely switch MUTE and the
BASS INTENSIFIER.
U. UNBALANCED LINE OUT - Provides unbalanced
preamp output for an auxiliary amplifier or sound
equipment that includes the effects loop signal.
Output level is controlled by GAIN {D}.
V.
TUNER OUT - Plug in your bass guitar tuner here to
enable inline tuning. Use MUTE {C} to disable audio
output while tuning.
W. BALANCED (XLR) OUTPUT - A true electronically
balanced output, suitable for studio and “front-of-
house” (live) mixing consoles. The function of each of
the three BALANCED OUTPUT switches are
described below. Wiring for the XLR jack at the
BALANCED OUTPUT is (American Standard):
DIRECT / LINE - Connects the BALANCED OUTPUT
to a point in the signal path either before (DIRECT) or
after (LINE) the onboard tone shaping circuits.
DIRECT (pre-EQ)
LINE (post-EQ)
GROUND / LIFT - Disconnects the BALANCED
OUTPUT ground connection (pin-1) which may reduce
hum noise due a ground loop (non-standard XLR
wiring somewhere in the signal path). Normally leave
this switch out.
GROUNDED (normal)
GROUND LIFTED
Lifting the ground connection will not solve hum noise
due to bad cables, poor connections, miswired A/C
outlets, nearby fluorescent lighting (especially with
single-coil pickups) or a cell phone close to your bass.
0dB / –10dB - Reduces the BALANCED OUTPUT by
–10dB.
0dB (normal)
–10dB (padded)
Pin
Wiring
1
Ground
2
Positive
3
Negative
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Содержание WorkingPro 400
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