Hughes & Kettner 400 manual Varimetric on, Mains AC

Page 3

BASSBASE 400 - M A N U A L

Red VARIMETRIC LED:

Illuminates to indicate

FX LOOP ON: Press this button

to activate the EBASSBASE 400’s

the VARIMETRIC EQ is

parallel F X loop

active.

 

 

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).

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.

 

 

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).

 

 

 

 

 

 

 

 

 

- MAINS: AC

power switch.

MAINS

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.

LEVEL: T s control adjusts the level of the center frequency you selected via the FREQ KHZ control.

PHONES

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

CUT: Turn this control up to suppress the

frequency for the EQ'sHI

frequency you selected via the FREQ

RANGE section.

control.

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Contents Manual Grnd DIR Connections and Control FeaturesVarimetric on Mains ACMains Rear Panel Mains SocketOperating the Bassbase Standard Setup / Cable ConnectionsHIGH/MID Varimetric LOW/MID VarimetricConnecting AN FX Processor Notch FilterBassbase 400 and FX Processors Possible Error SOURCES/ TROUBLE-SHOOTING Service and Preventive MaintenanceVarimetric EQ Technical Data