Boss FBM-1 Bassman Owner's Manual
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Boss FBM-1 Bassman Owner's Manual

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Owner's Manual
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AC & BATTERY
POWERED
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Summary of Contents for Boss FBM-1 Bassman

  • Page 1 Owner’s Manual AC & BATTERY POWERED...
  • Page 2 Thank you, and congratulations on your choice of the BOSS FBM-1 Bassman. Before using this unit, carefully read the sections entitled: “USING THE UNIT SAFELY” and “IMPORTANT NOTES” (supplied on a separate sheet). These sections provide important in- formation concerning the proper operation of the unit.

  • Page 3: Main Features

    ● Uses COSM technology to model the amp sound of a Fender® BASSMAN®. ● Makes it easy for you to enjoy that vintage Fender® amp sound simply by connecting the FBM-1 to your usual guitar amp. ● Provides a BRIGHT input like the one on an actual BASSMAN® amp.

  • Page 4: Panel Descriptions

    AC adaptor. * If there is a battery in the unit while an AC adaptor is being used, the FBM-1 will switch over to battery-powered operation should the line voltage be interrupted due to a power...

  • Page 5: Output Jack

    Using the BRIGHT IN jack makes the treble range more prominent. * These jacks double as power switch. Power to the FBM-1 is turned on when you plug into the INPUT/BRIGHT IN jack; the power is turned off when the cable is unplugged.
  • Page 6 Panel Descriptions fig.FBM-1-name2.eps 7. PRESENCE Knob This adjusts the sound quality of the ultra- high range. 8. MIDDLE Knob This knob controls the tone of the effect at middle frequencies. 9. BASS Knob This knob controls the tone of the effect at lower frequencies.
  • Page 7 Connections * Inserting a connecting plug into the INPUT jack or the BRIGHT IN jack turns on the power to the unit. * Raise the amp volume only after turning on the power to all connected devices. * The use of an AC adaptor is recommended as the unit’s power consumption is relatively high.

  • Page 8: Recommended Settings

    Connections Recommended Settings fig.FBM-1-connect-e.eps Guitar Amplifier (JC-120 etc.) * This unit is equipped with a protection circuit. A brief interval (a few seconds) after power-up is required before the unit will operate normally. 9V DC/200 mA AC Adaptor BOSS PSA-series...
  • Page 9 Recommended Settings for the Roland JC-120 Set to OFF Recommended Settings for a Fender® Combo Amp BRIGHT MAX MIN TREBLE MIDDLE Set to OFF Recommended Settings for a Stack PRESENCE We recommend using a clean setting (no dis- tortion) on the connected amp.

  • Page 10: Operating The Unit

    Operating the Unit fig.FBM-1-operation1.eps 1. After you have made the necessary con- nections (p. 7, p. 8), set the panel knobs as shown in the illustration. 2. Depress the pedal switch to turn the effect on. (The CHECK indicator lights when the effect is on.)

  • Page 11: Level Knob

    4. Adjust the tone with the BASS knob, MIDDLE knob, TREBLE knob, and PRESENCE knob. fig.FBM-1-operation4.eps 5. Adjust the output volume with the LEVEL knob. Normally, you should adjust the LEVEL knob so there’s no difference in the volume when switching the effect on and off.

  • Page 12: Changing The Battery

    Changing the Battery When the indicator goes dim or no longer lights while the effect is on, it means that the battery must be replaced. Replace the battery following the steps below. * The use of an AC adaptor is recommended as the unit’s power consumption is relatively high.

  • Page 13: Troubleshooting

    Check the AC adaptor connection (p. 7, p. 8). * Never use any AC adapter other than one specified for use with the FBM-1. ● Is the battery low or dead? Replace it with a new battery (p. 12).

  • Page 14: Setting Samples

    Setting Samples Standard Crunch Sound fig.FBM-1-sample1.eps Mild Crunch Sound fig.FBM-1-sample1.eps Hard Overdrive Sound fig.FBM-1-sample1.eps Bright Clean Sound fig.FBM-1-sample1.eps Use the BRIGHT IN jack...

  • Page 15: Setting Memo

    Setting Memo fig.FBM-1-memo.eps fig.FBM-1-memo.eps fig.FBM-1-memo.eps fig.FBM-1-memo.eps...
  • Page 16 Setting Memo fig.FBM-1-memo.eps fig.FBM-1-memo.eps fig.FBM-1-memo.eps fig.FBM-1-memo.eps...

  • Page 17: Specifications

    Specifications FBM-1: Bassman Nominal Input Level:... -20 dBu Input Impedance:... 1 MΩ Nominal Output Level:... -20 dBu Output Impedance: ... 2.2 kΩ Recommended Load Impedance:... 10 kΩ or greater Controls:... Pedal switch, PRESENCE knob, MIDDLE knob, Indicators:...CHECK indicator (for effect on/off status and battery check) Connectors:...
  • Page 18 Specifications Weight: ... 440 g /1 lb (including battery) Accessories... Owner’s manual, leaflet (“USING THE UNIT SAFELY,” Option ... AC adaptor (PSA-series) * 0 dBu = 0.775 Vrms * In the interest of product improvement, the specifications and/or appearance of this unit are subject to change without prior notice.

  • Page 19: Federal Communications Commission Radio Frequency Interference Statement

    This product complies with the requirements of European Directive 89/336/EEC. FEDERAL COMMUNICATIONS COMMISSION RADIO FREQUENCY INTERFERENCE STATEMENT This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the FCC Rules.
  • Page 20 G6027120R1...

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