General notes General notes This user manual contains important information on the safe operation of the device. Read and follow all safety notes and all instructions. Save this manual for future reference. Make sure that it is available to all persons using this device. If you sell the device to another user, be sure that they also receive this manual.
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General notes Signal word Meaning DANGER! This combination of symbol and signal word indicates an immediate dangerous situation that will result in death or serious injury if it is not avoided. CAUTION! This combination of symbol and signal word indicates a possible dangerous situation that can result in minor injury if it is not avoided.
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General notes Warning signs Type of danger Warning – danger zone. bass combo...
Safety instructions Safety instructions Intended use This device is intended to be used for amplification and playback of signals from musical instruments with electromagnetic pickups. Any other use or use under other operating condi‐ tions is considered to be improper and may result in personal injury or property damage. No liability will be assumed for damages resulting from improper use.
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Safety instructions DANGER! Electric shock caused by high voltages inside Within the device there are areas where high voltages may be present. Never remove any covers. There are no user-serviceable parts inside. DANGER! Electric shock caused by short-circuit Always use proper ready-made insulated mains cabling (power cord) with a pro‐ tective contact plug.
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Safety instructions CAUTION! Possible hearing damage The device can produce volume levels that may cause temporary or permanent hearing impairment. Over an extended period of time, even levels that seem to be uncritical can cause hearing damage. Decrease the volume level immediately if you experience ringing in your ears or hearing impairment.
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Safety instructions NOTICE! Risk of fire Do not block areas of ventilation. Do not install the device near any direct heat source. Keep the device away from naked flames. NOTICE! Operating conditions This device has been designed for indoor use only. To prevent damage, never expose the device to any liquid or moisture.
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Safety instructions NOTICE! Power supply Before connecting the device, ensure that the input voltage (AC outlet) matches the voltage rating of the device and that the AC outlet is protected by a residual current circuit breaker. Failure to do so could result in damage to the device and possibly injure the user.
Features Features Special features of the device: Inputs: 1/4" phone sockets for instrument, RETURN and AMP IN, RCA sockets for AUX IN Outputs: 1/4" phone sockets for headphones, SEND and PRE OUT Selectable input sensitivity for active and passive bass guitars 15"...
Installation and starting up Installation and starting up Unpack and check carefully there is no transportation damage before using the unit. Keep the equipment packaging. To fully protect the device against vibration, dust and moisture during transportation or storage use the original packaging or your own packaging material suitable for transport or storage, respectively.
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Installation and starting up NOTICE! Possible property damage by magnetic fields Loudspeakers produce a static magnetic field. Therefore, maintain an appropriate distance to devices that can be adversely affected or damaged by an external magnetic field. bass combo...
Installation and starting up 4.1 Pin assignment 1/4" sockets for signal in and Drawing and table indicate the pin assignment of a 1/4" TS phone jack to be used. outputs Signal Ground, shielding HBW-150...
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Installation and starting up RCA sockets for signal inputs Drawing and table indicate the pin assignment of an RCA jack to be used. Signal Ground, shielding bass combo...
Components and functions Components and functions Front panel HBW-150...
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Components and functions 1 INPUT 1/4" TS phone socket for the input signal coming from your bass guitar. 2 ACTIVE/PASSIVE To select the sensitivity. Press this button if you connect an instrument with active electronic. Release the button if you connect an instrument with passive electronic. 3 GAIN This control adjusts the input gain.
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Components and functions 7 EQ This switch activates the 7-band equalizer. 8 7-band graphic equalizer for sound shaping. The adjustable frequencies are 50 Hz, 120 Hz, 400 Hz, 500 Hz, 800 Hz, 4.5 kHz and 10 kHz. Use the sliders to increase or decrease the respective frequency by ±15 dB. 9 MASTER This is the overall volume control.
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Components and functions 13 POWER This indicator is lit when the device is switched on and operational. 14 POWER Use the mains switch to turn the unit on or off. bass combo...
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Components and functions Rear panel HBW-150...
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Components and functions 15 IEC chassis connector with fuse holder. 16 AMP IN 1/4" TS phone socket, accepts line level signals from other devices. 17 PRE OUT This 1/4" TS phone socket provides the preamp signal. You can use the preamp signal to feed a separate power amp. 18 RETURN 1/4"...
Protecting the environment Protecting the environment Disposal of the packaging mate‐ rial For the transport and protective packaging, environmentally friendly materials have been chosen that can be supplied to normal recycling. Ensure that plastic bags, packaging, etc. are properly disposed of. Do not just dispose these materials with your normal household waste, but make sure that they are fed to a recovery.
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