Owner’s Manual AC DC AC & BATTERY POWERED FET
Thank you, and congratulations on your choice of BOSS CEB-3 Bass Chorus. Before using this unit, carefully read the sections entitled: “USING THE UNIT SAFELY” and “IMPORTANT NOTES” (separate sheet). These sections provide important information concerning the proper operation of the unit. Additionally, in order to feel assured that you have gained a good grasp of every feature provided by your new unit, this manual should be read in its entirety.
Features ● The BOSS CEB-3 is a chorus unit that is specifically designed for electric bass guitar. ● The CEB-3 allows you to select the frequency band to which the chorus effect will apply. That is, you can have the effect applied to the overall sound, or only a specific frequency range if you wish. ● Using the two channel outputs, deeper chorus effects can be created.
Panel Description 1. AC Adaptor Jack fig.01 1 2 Accepts connection of an AC Adaptor (optionally available BOSS PSA-Series). By using an AC Adaptor, you can play without being concerned about how much battery power you have left. 3 6 4 5 4 * Use only the specified AC adaptor (PSASeries), and make sure the line voltage at the installation matches the input voltage specified on the AC adaptor's body.
Panel Description 2. CHECK Indicator 3. OUTPUT A (MONO)/ OUTPUT B Jack This indicator shows whether an effect is ON/OFF, and also doubles as the Battery Check indicator. The indicator lights when an effect is ON. The output jacks are used to connect the unit to an amplifier or another effects unit. * If this indicator goes dim or no longer lights while an effect is ON, the battery is near exhaustion and should be replaced immediately.
Panel Description 4. Pedal Switch 6. INPUT Jack Used for switching effects on/off. This jack accepts input signals (coming from a bass guitar, some other musical instrument, or another effects unit). 5. Thumbscrew When this screw is loosened, the pedal will open, allowing you to change the battery. * For instructions on changing the batteries, refer to “Changing the Battery” (p. 11). 6 * When running the unit on battery power, the INPUT jack double as power switches.
Panel Description 8. LOW FILTER Knob This knob controls the lower frequencies of the effect sound. As you rotate the knob clockwise, the chorus effect will be applied to a wider range of lower frequencies. Conversely, rotating the knob counterclockwise will cut lower frequencies, causing only the upper frequencies to take on the chorus effect. 7 8 9 10 9. RATE (moduration rate) Knob fig.02 7. E.
Connections fig.03 AC Adaptor BOSS PSA-series (option) OUT 9V DC/200mA Bass Guitar Bass Amplifier For monoural use, make the connection to the OUTPUT A (MONO) jack.
Connections * Inserting a plug into the INPUT Jack will automatically switch the unit on. * Noise may be produced if wireless communications devices, such as cell phones, are operated in the vicinity of this unit. Such noise could occur when receiving or initiating a call, or while conversing. Should you experience such problems, you should relocate such wireless devices so they are at a greater distance from this unit, or switch them off.
Operating the Unit 1. When you have made the necessary connections, set the knobs as shown in the illustration. fig.05 2. Depress the pedal switch to turn the effect on. (Make sure that the CHECK Indicator lights.) 3. Adjust the speed of the chorus effect using the RATE Knob. 6 5 3 4 4. Adjust the depth of the chorus effect using the DEPTH Knob. 5. Using the LOW FILTER Knob, adjust the frequency band to which the chorus effect should be applied. 6.
Changing the Battery When the indicator goes dim or no longer lights while an effect is on, it means that the battery is nearly dead and must be replaced. Replace the battery following the steps below. fig.09 Thumbscrew Pedal Spring Base Battery Snap Cord Coil Spring Guide Bush Hole Battery Snap Battery Housing 9V Battery 1. Loosen the thumbscrew at the front of the pedal, then lift the pedal upwards to open the unit. * The thumbscrew can be left in the pedal while changing the battery. 2.
Setting Samples Clear Chorus Modern Chorus fig.10 fig.12 Slapping Play Vibrato fig.11 fig.
Specifications CEB-3: Bass Chorus Nominal Input Level...................-20 dBu Input Impedance..........................1 MΩ Nominal Output Level................-20 dBu Output Impedance ......................1 kΩ Recommended Load Impedance ....10 kΩ or greater Residual Noise Level...................-86 dBu (IHF-A, Typ.) Controls.........................................Pedal Switch E. LEVEL (effect level) Knob LOW FILTER Knob RATE (modulation rate) Knob DEPTH (modulation depth) Knob Indicator...............
Specifications Current Draw ...............................22 mA (DC 9 V) * Expected battery life under continuous use: Carbon: 12 hours These figures will vary depending on the actual conditions of use. Dimensions ...................................73 (W) x 129 (D) x 59 (H) mm 2-7/8 (W) x 5-1/8 (D) x 2-3/8 (H) inches Weight ...........................................450 g / 1 lb (including battery) Accessories....................................
For EU Countries This product complies with the requirements of European Directive 89/336/EEC. For the USA 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. These limits are designed to provide reasonable protection against harmful interference in a residential installation.
G261720601
