1. Introduction Congratulations on your purchase of a BASS COMBO (HB 115B MKIII) or BASS HEAD (HB 3000 BT) system. Both models provide high quality sound with a range of useful features. To get the most from your HB115B MKIII or HB3000BT you should read all of this manual before using it in a live situation.
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cuit or an electrical shock. Do not place the device, speaker cabinets or any- thing else on the power cord and make sure that it does not become clamped. Place the power cord in a position where it can not be trod on. A damaged power cord can cause a fire or an electrical shock.
2. Control Elements 2.1 Front panel (HB115B MK III front panel) INPUT connect your bass guitar here GAIN to adjust the input sensitivity COMPRESSOR activates the compressor, to reduce the dynamic range, makes your bass sound tighter COMP. RATE to set the compression value CONTOUR this circuit lets you shape the character of your tone CONT.
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(200 watts, 4 ohms minimum impedance) HORN OFF to switch the internal horn speaker on or off valid for HB 3000 BT only: SPEAKER OUT power amp output for speaker connection (300 watts, 4 ohms minimum impedance)
3. Installation Mains voltage Please ensure that your local area’s mains power voltage matches the mains power specification of your amp as indicated on its rear panel before you connect the unit to an AC mains power outlet! Mains connection Use the enclosed power cable to connect the unit’s MAINS IN to a properly wired and earthed (!) IEC power socket.
Using headphones You can connect headphones to your bass amp with a 1/4” TRS jackplug (not supplied). When you have connected the headphones, the loudspeakers are disconnected and you will only hear sound via the headphones. Important! Listening to music with headphones for long periods and at high volume levels can lead to permanent hearing damage! Even when using the amplifier without headphones you should drive it...
4.5 Frequency range 20 Hz ~ 20 kHz ± 1 dB 4.6 Output power Speaker out (HB 115B MKIII) 200W at 4 Ω Speaker out (HB 3000 BT) 300W at 4 Ω 4.7 Output level Line out + 4 dB...
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