Hughes & Kettner Bass Base 400 - Manual (Page 2)

BASSBASE 400 - MANUAL
1 .O CONNECTIONS AND CONTROL FEATURES
SIGNAL LED: Indicates the presence of an
instrument signal at the tube stage.
-10 db SWITCH: Lowers the BASSBASE'S input
impedance (e.g. for active instruments).
DIRECT: Press this button to send the original
instrument signal (unaffected by gain settings,
voicing controls, FX loop and notch filter)
directly to the DI OUT jack, at MIC level.
GROUND LIFT: Removes
the ground from the chassis
at the DI OUT jack.
I
,/’
,_‘.
,/,’
GRND DIR
0 0
-10 dB
0
CLIP LED: Indicates all types of clipping in the
BASSBASE’s preamp (including post-EQ section and
FX loop distortion). In other words, an illuminated
CLIP LED does not necessarily mean the GAIN
control is set too high, it may also indicate the FX
signal level is not adjusted properly.
TUBE SATURATION LED: Indicates the
preamp is in tube overdrive mode.
MUTE: Switches all of the BASSBASE 400’s outputs
except for the TUNER OUT off. Use this button for
breaks between sets, switching instruments, or
when tuning. The RED MUTE LED will illuminate
to indicate the amp is muted.
DI OUT: Use this jack to send signals to a
mixing console or additional power amp.
INPUT - Connect your bass to this jack.
CAIN: Controls the input sensitivity and drive
level of the BASSBASE preamp.
BASS: This EQ control defines the bottom end. At the 12 o’clock
position, the signal remains completely unaffected.
0 10 -5 -5 +5 -15 +15
FREQ
HZ
LEVEL dB
t
TREBLE: Use this control to adjust the high end,
particularly the sizzle and overtone range.
FREQ HZ: Defines
the center frequency
for the VARIMETRIC -
EQ's LOW RANGE
section. Please refer
to Section 3.2!
LEVEL: This control adjusts
the level of the frequency
you selected via the FREQ
HZ control. Turn
clockwise to increase,
counter-clockwise to
decrease.