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Duncan BASS 400 X 2 Owner's Manual

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OWNER' S MANUAL
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BASS 400 X 2

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Summary of Contents for Duncan BASS 400 X 2

  • Page 1 OWNER’ S MANUAL for the BASS 400 X 2...
  • Page 2 If you have any ideas for other related products, please write me at the address below. Thank You. Seymour Duncan P.S. If you haven't mailed in your warranty card, please do it now. It may seem like a hassle, but it's the only way we have to verify warranty status of your amp.

  • Page 3: Specifications

    Specifications Bass 400 x 2 Power: Bi-amp mode: 400 watts bottom end into 4 ohms: 400 watts high end into 4 ohms. Dual mono mode: 400 watts x 2 mono channels into 4 ohms. Bridge mode: 600 watts into 8 ohms.

  • Page 4: Packing Materials

    WARNINGS - Make all speaker connections before plugging unit in. - Do not disconnect the speaker while the amp is turned on. - Do not restrict air movement around the fan intake or the air outlet on the back of the amp.

  • Page 5: Front Panel Controls

    2. BASS INPUT: Plug your bass in here. Input impedance is 1 meg ohm. 3. POWER INDICATOR: When your amp is on, this L.E.D. will glow. The Bass 400 x 2 uses an L.E.D. instead of a normal bulb because L.E.D.'s last up to 10 times longer.
  • Page 6 Exercise caution when playing at high volume levels with large amounts of low frequency boost. When playing outdoors, it may prove beneficial to slightly cut low frequencies to provide more headroom and louder playing volume. 6. LOW FREQUENCY CONTOUR: This switch provides 15 db boost at 40 hz. It is especially useful when playing at lower volumes to create a "warm"...

  • Page 7: Rear Panel Controls

    11. VARIABLE CROSSOVER: This is a single order crossover that is continuously vari- able from 100 hz to 1 khz. The optimum crossover point will vary according to the speakers you use. Experiment to see where you like it best. 12.
  • Page 8 The proper fuse rating for the 110-120 V.A.C. Bass 400 x 2 amp is ABC-10. Before removing the fuse cap, UNPLUG THE POWER CORD FROM THE WALL A.C.

  • Page 9: Troubleshooting

    With the Bass 400 x 2, you can plug your bass into the Bass Input jack and run your effects through the Effects Loop.
  • Page 10 backwards in effects loop 4) Defective effects 4) Remove effects 5) Blown speaker 5) Hook up new speaker 6) Internal fuse blown 6) Replace with ABC-10 (see diagram). If it con- tinues to blow, call service center Distorted Sound 1) Partially shorted speaker 1) Replace cable cable 2) Speaker impedance is...

  • Page 11: Modes Of Operation

    Modes of Operation Speaker Hookup To Full Range Cabinet Bridged Mono Mode Optimum Load 8 To Full Range To High Cabinet Frequency Cabinet To Full Range To Low Cabinet Frequency Cabinet Dual Mono Mode Bi-Amp Mode Optimum Load 4 Optimum Load 4...
  • Page 12 Schematic Drawing For the Bass 400x2 Amp...

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