Table of contents Table of contents General notes............................... 4 Safety instructions............................. 7 Features............................... 11 Installation and operation........................12 Components and functions........................ 15 Technical specifications........................23 Protecting the environment......................25 BA500H...
General notes General notes This user manual contains important information on 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 other users, 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 head...
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 With loudspeakers or headphones connected, the device can produce volume levels that may cause temporary or permanent hearing impairment. Do not operate the device permanently at a high volume level. Decrease the volume level immediately if you experience ringing in your ears or hearing impairment.
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Safety instructions NOTICE! Operating conditions This device has been designed for indoor use only. To prevent damage, never expose the device to any liquid or moisture. Avoid direct sunlight, heavy dirt, and strong vibrations. 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.
Features Features Special features of this powerful bass head: High output power: 500 W @ 4 Ω, 250 W @ 8 Ω Switchable input sensitivity for active/passive bass guitars Multiple options for tone shaping: – 6-band graphic EQ – Treble and bass control –...
Installation and operation Installation and operation 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 operation Jack plug for loudspeaker con‐ The figure and the table show the pin assignment of the 1/4-inch (6.35-mm) monaural jack nection and signal input plug. Signal Ground Jack plug for footswitch The figure and the table show the pin assignment of the 1/4-inch (6.35-mm) stereo jack plug. Function 1 Function 2 Ground...
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Installation and operation speakON connector for loud‐ The following figure shows the pin assignment of the lockable speakON panel connector. speaker connection bass head...
Components and functions Components and functions Front panel ö PHONES ACTIVE 3.2K PASSIVE POWER CLIP BOOST BRIGHT COLOR CONTOUR MUTE INPUT GAIN HIGH COLOR CONTOUR MASTER BA500H BASS AMPLIFIER HEAD AUX IN & BA500H...
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Components and functions 1 ACTIVE/PASSIVE Press this switch when connecting a passive bass guitar. Release this switch when connecting an active bass guitar. 2 INPUT 1/4" TS phone socket for the input signal coming from your bass guitar. 3 POWER This indicator lights up green when the unit is switched on and operational.
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Components and functions 6 BOOST Switch for boosting the low frequencies. The indicator is lit when the function is activated. 7 LOW Control to attenuate or increase the low frequencies by ±12 dB. 8 BRIGHT Switch for boosting the high frequencies. The indicator is lit when the function is activated. 9 HIGH Control to attenuate or increase the high frequencies by ±12 dB.
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Components and functions 13 COLOR Control to adjust the acoustic colour – from ‘classic’ to ‘modern’. 14 CONTOUR This switch activates the Contour control. The indicator is lit when the function is activated. 15 CONTOUR Use this control for mid attenuation and simultaneous increasing of low and high frequencies. 16 MUTE This switch mutes speaker and line out, it does not affect the headphones output.
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Components and functions 18 PHONES 1/4" phone socket for headphones connection. When connecting headphones, the speaker and line outs are disa‐ bled. To avoid annoying noises, turn the ‘MASTER’ (17) control down before plugging headphones in or out. 19 AUX IN The signals from this additional input enter the amp behind tone stack and EQ.
Components and functions Rear panel BA500H BASS AMPLIFIER HEAD SPEAKER OUT POWER AC INPUT LIFT TUNER LINE OUT GND LIFT FOOTSWITCH POWER CONSUMPTION 170W RISK OF ELECTRIC SHOCK POWER SOURCE AC 220V-50Hz DO NOT OPEN PIMARY FUSE T5AL/250V bass head...
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Components and functions 20 LINE OUT XLR mounting plug as signal output for direct connection to a mixing console, additional power amps or recording device. GND LIFT Should ground loops cause hum, you can use this switch to interrupt the ground wire of the line out. 21 TUNER OUT 1/4"...
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Components and functions 25 POWER Use the mains switch to turn the unit on or off. 26 AC INPUT IEC chassis connector with fuse holder. bass head...
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 of these materials with your normal household waste, but make sure that they are collected for recycling.
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