beautypg.com

Hughes & Kettner Bass Base 400 User Manual

Page 3

background image

BASSBASE 400 - M A N U A L

Red VARIMETRIC LED:

Illuminates to indicate

the VARIMETRIC EQ is
active.

FX LOOP ON:

Press this button

to activate the E

parallel

F X loop

BASSBASE 400’s

DYNACLIP LED:

Illuminates when the DYNACLIP power

amp circuit is active. DYNACLIP eliminates undesirable
power amp distortion and provides

20%

additional

headroom in comparison with conventional power amps.

,

VARIMETRIC ON:

Green FX LED:

Activates the

Indicates the FX

VARIMETRIC EQ.

loop is active.

NOTCH FILTER:

This

adjustable, extremely

narrow-band filter is not
used for normal sound-
shaping, but to suppress
specific stage and room
resonances (e.g. a stage

floor’s sympathetic
vibrations).

PROTECT LED:

Illuminates when one of the power

amp circuit breakers has tripped. Inadequate
ventilation, a short circuit in the SPEAKER OUTS or
direct current in the output will trigger the circuit

breaker.

TEMP LED:

Indicates that thermal overload

(overheating) is the reason why the protective
circuit has activated (e.g. when the ribbed
ventilation duct is obstructed).

FREQ

KHZ

LEVEL

dB

FREQ

HZ

CUT

dB

FREQ:

Use this control

to adjust the notch
filter’s center frequency
within a range of 30 to

500 Hz.

s control adjusts the

LEVEL:

T

level of the center frequency you

selected via the FREQ KHZ control.

MAINS

PHONES

- MAINS:

AC

power switch.

MASTER:

Controls

I

the BASSBASE 400’s

PHONES:

Plug headphones

overall output. with an impedance rating

within the 4-600 ohm range

into this jack.

FX- MIX :

The FX MIX pot adjusts the

balance between the original signal and
the processed signal. DRY = original
signal only, WET = processed signal only.

FREQ KHZ:

Defines the center

frequency for the EQ's HI

RANGE section.

CUT:

Turn this control up to suppress the

frequency you selected via the FREQ
control.

5