B15, B30, B100 MKII, B200 MKII, B450 MKII
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OWNER’S MANUAL
www.acousticamplification.com
5
B100 MKII FRONT PANEL
1. Bass Input: ¼” two-conductor jack
2. -10 dB pad: Reduces input sensitivity for use with active electronics basses or high output pickups
3. Gain: Adjusts the level of preamp input gain
4. Clipping Light: Lights in red when hi gain creates preamp clipping
5. Overdrive: Controls the amount of overdrive
6. On/Off Switch: Activates the Overdrive circuit
7. Overdrive Level: Controls the mix of overdrive to clean signal
8. Volume: Adjusts the overall volume level of the amplifier
9. Notch: Adjusts the -10dB notch frequency from 50Hz to 1kHz
10. Shape: This button decreases the level of the mid frequencies creating an alternate EQ curve
11. Low: This control increases or decreases bass frequencies
12. Low Mid: This control increases or decreases low midrange frequencies
13. High Mid: This control increases or decreases high midrange frequencies
14. High: This control increases or decreases treble frequencies
15. Aux In: This 3-conductor ⅛” media input jack will allow you to plug in a CD, MP3 player, or any other source so you can practice
along. To control the volume of the source, adjust the output volume of the device. Note: Turn the volume all the way down
before plugging in your guitar and adjust the volume according to your taste.
16. Headphone Output: ⅛” 3-conductor jack for plugging in headphones. When used, it will disconnect the internal speaker
17. Power Switch: When lit, the amplifier is on and ready for use.
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B100 MKII BACK PANEL
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1. Direct Output: XLR direct balanced output connector jack
2. Pre/Post EQ Switch: Switches Direct Output between pre and post EQ operation
3. Effects Send: ¼” two-conductor jack sends signal to an external effects or signal processing device
4. Ground Lift: Lifts the ground from the XLR direct output. Useful for eliminating hum when the direct out is used
5. Direct Output Level: Adjusts the level of the direct output signal
6. Effects Return: ¼” two-conductor jack returns signal from an external effects or signal processing device
9778 B15 B30 B100MKII B200MKII B450MKII Owner's Manual.indd 5 7/13/12 4:22 PM
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