Hughes & Kettner Bass Base 400 Manual
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Hughes & Kettner Bass Base 400 Manual

400 watts bass amplifier
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BEDIENUNGSANLEITUNG
400 WATTS BASSAMPLlFlER
MANUAL
B A S S
T E C H N O L O G Y

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Summary of Contents for Hughes & Kettner Bass Base 400

  • Page 1 BEDIENUNGSANLEITUNG l ! l . 400 WATTS BASSAMPLlFlER MANUAL B A S S T E C H N O L O G Y...
  • Page 2 BASSBASE 400 - MANUAL 1 .O CONNECTIONS AND CONTROL FEATURES TUBE SATURATION LED: Indicates the preamp is in tube overdrive mode. SIGNAL LED: Indicates the presence of an instrument signal at the tube stage. CLIP LED: Indicates all types of clipping in the BASSBASE’s preamp (including post-EQ section and -10 db SWITCH: Lowers the BASSBASE'S input...
  • Page 3 BASSBASE 400 - M A N U A L Red VARIMETRIC LED: FX LOOP ON: Press this button Illuminates to indicate to activate the E BASSBASE 400’s DYNACLIP LED: the VARIMETRIC EQ is Illuminates when the DYNACLIP power parallel F X loop active.

  • Page 4: Rear Panel

    BASSBASE 400 - MANUAL REAR PANEL: FOOTSWITCH VARIMETRIC: Connect a standard single-channel footswitch to this jack. If you use a HUGHES & KETTNER FS-1, its LED will illuminate when you activate the VARIMETRIC EQ. TUNER OUT: Output jack for an external tuning device. FX LOOP: FOOTSWITCH LINE OUT:...

  • Page 5: Standard Setup / Cable Connections

    BASSBASE 400 - MANUAL 2.0 STANDARD SETUP / CABLE CONNECTIONS EXTERNAL POWER AMP TUNER FOOTSWITCH digging in with your pick. For the ideal setting, the RED CLIP For safety purposes, the BASSBASE 400’s power amp is LED will illuminate briefly on peaks only. If the signal is too exclusively equipped with Speaker and female XLR jacks.
  • Page 6 BASSBASE 400 - MANUAL 3.2 THE VARIMETRIC EQ Why call if "VARIMETRIC" rather than “PARAMETRIC?” Even though you handle the VARIMETRIC the same way you The BASSBASE 400 VARIMETRIC EQ and FX LOOP can be would a conventional semi-parametric EQ with its fixed switched via the buttons on the front panel or remotely via filtering, it is a much more sophisticated sound-shaping tool.

  • Page 7: The Notch Filter

    BASSBASE 400 - MANUAL 3.3 THE NOTCH FILTER - Adjust the blend between the original and processed signal via the FX MIX pot located on the front panel Towards DRY = more original signal, towards WET = more Undesirable frequencies such as those caused by resonant object in the room or floor boards in the stage can be processed signal.

  • Page 8: Maintenance

    BASSBASE 400 - MANUAL SERVICE AND PREVENTIVE Using a footswitch, you are unable to turn off the MAINTENANCE VARIMETRIC EQ or the FX LOOP: - The EQ or FX LOOP front panel selector switches were The BASSBASE 400 will not require service of any type for inadvertently left in the ON position.

  • Page 9: Technical Data

    BASSBASE 400 - MANUAL 6.0 TECHNICAL DATA TUBEPREAMP TUBE TYPE: ECC83/12AX7A PREAMP SECTION BASS, FREQUENCY: 50 Hz/+15/-10 dB, active TREBLE, FREQUENCY: 2-20 kHz +16/-12 dB, active VARIMETRIC EQ MID, CENTER FREQUENCY: 80-l000 H z , +12/-16 dB, active HI MID, CENTER FREQUENCY: 500 Hz -15 kHz +12/-16 d B active NOTCHFILTER CENTER FREQUENCY:...

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