B15, B30, B100 MKII, B200 MKII, B450 MKII
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OWNER’S MANUAL
www.acousticamplification.com
6
B200 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. Compression Indicator Light: Indicates the level of compression when the compressor is engaged (6)
6. Compressor On/Off: Engages compression circuitry when button is depressed
7. Overdrive: Controls the amount of overdrive
8. On/Off Switch: Activates the Overdrive circuit
9. Overdrive Level: Controls the mix of overdrive to clean signal
10. Volume: Adjusts the overall volume level of the amplifier
11. Notch: Adjusts the -10dB notch frequency from 50Hz to 1kHz.
12. Shape: This button decreases the level of the mid frequencies creating an alternate EQ curve
13. Equalizer: These 6 knobs increase or decrease the level of the associated frequency.
14. Power Switch: When lit, the amplifier is on and ready for use.
2 6 8
12
13 14
54
3 7 9 10
11
1
B200 MKII BACK PANEL
72 8 91
3 4 5 6
1. AC power connection and Fuse: Connect included IEC power cable here. Fuse cap contains fuse for circuit protection
2. Horn On/Off: Turns the internal high frequency horn on or off
3. Direct Output: XLR direct balanced output connector jack
4. Pre/Post EQ Switch: Switches Balanced Output between pre and post EQ operation
5. Effects Return: ¼” two-conductor jack returns signal from an external effects or signal processing device
6. Effects Send: ¼” two-conductor jack sends signal to an external effects or signal processing device
7. Ground Lift: Lifts the ground from the XLR direct output. Useful for eliminating hum when the direct out is used
8. Direct Output Level: Adjusts the level of the direct output signal
9. Footswitch: ¼” Tip, Ring, Sleeve jack for attaching optional 2 button footswitch. Controls Overdrive On/Off and Effects Loop On/Off
9778 B15 B30 B100MKII B200MKII B450MKII Owner's Manual.indd 6 7/13/12 4:22 PM
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