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BA250H bass head user manual

1. 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 Failure to do so could result in damage to the device and possibly injure the user Unplug the device before electrical storms occur and when it is unused for long periods of time to reduce the risk of electric shock or fire bass head 10 Installation and operation 3 Installation and operation Unpack and check carefully there is no transportation damage before using the unit Establish all connections as long as the unit is switched off Use the shortest possible high quality cables for all connections XLR connector for signal output A male XLR panel connector is used for the signal output LINE OUT The figure and the table below show the pin assignment of a corresponding female XLR connector 1 Ground 2 Signal 3 Signal BA250H themann MUSIC IS OUR PASSION 11 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 1 Signal 2 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 th mann bass head MUSIC IS OUR PASSION 12 Installation and opera
2. Harley Geutou BA250H bass head th mann user manual MUSIC IS OUR PASSION Musikhaus Thomann e K Treppendorf 30 96138 Burgebrach Germany Telephone 49 0 9546 9223 0 email info thomann de Internet www thomann de 16 11 2011 Table of contents a uu fF WN Table of contents Generalnotes t Linie Mate 4 Safety instructions 7 Installation and operation 11 Components and functions 14 Technical specifications 22 Protecting the environment 24 BA250H th mann MUSIC IS OUR PASSION General notes 1 General notes Symbols and signal words themann MUSIC IS OUR PASSION 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 Our products are subject to a process of continuous development We therefore reserve the right to make changes without notice This section gives an overview of the symbols and signal words used in this user manual bass head Signal word DANGER CAUTION NOTICE Warning signs A BA250H General notes Meaning This combination of symbol and signal word indicates an immediate dangerous situation that will result in death or serio
3. IS OUR PASSION 21 Technical specifications 5 Technical specifications Input 40 dBu at 1 MQ inch 6 35 mm jack Gain 33 dB max Low frequencies control 12 dB at 100 Hz High frequencies control 12 dB at 10 kHz Equalizer 12 dB at 50 Hz 120 Hz 400 Hz 800 Hz 3 2 kHz and 10 kHz respectively Color control 700 Hz 20 kHz AUX input 10 dBu at 22 kQ inch 6 35 mm jack Headphones output 20 mW at 32 Q inch 6 35 mm jack Loudspeaker output 250 W at 4 Q 125 W at 8 Q inch 6 35 mm jack and speakON panel jack Line Out Balanced male XLR panel connector Input voltage 230 VAC 50 Hz Fuse 5 A 250 V slow th mann bass head MUSIC IS OUR PASSION 22 Technical specifications Dimensions W x D x H 12 24 in x 9 96 in x 2 52 in 311 mm x 253 mm x 64 mm Weight 7 05 Ibs 3 2 kg BA250H th mann MUSIC IS OUR PASSION 23 Protecting the environment 6 Protecting the environment Disposal of the packaging mate Disposal of your old device amp themann MUSIC IS OUR PASSION 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 Please follow the notes and markings on the packaging This device is subject to the European
4. directive 2002 96 EC Do not dispose the device with your normal household waste Dispose this device through an approved waste disposal firm or through your local waste facility When discarding the device comply with the rules and regulations that apply in your country If in doubt consult your local waste disposal facility bass head 24 Notes BA250H th mann MUSIC IS OUR PASSION 25 Notes th mann bass head MUSIC IS OUR PASSION 26 Musikhaus Thomann e K Treppendorf 30 96138 Burgebrach Germany www thomann de
5. hildren unattended use electrical devices BA250H th mann MUSIC IS OUR PASSION 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 Do not modify the mains cable or the plug Failure to do so could result in electric shock death or fire If in doubt seek advice from a regis tered electrician th mann bass head MUSIC IS OUR PASSION 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 NOTICE Risk offire Do not block areas of ventilation Do not install the device near any direct heat source Keep the device away from naked flames BA250H th mann MUSIC IS OUR PASSION Safety instructions themann MUSIC IS OUR PASSION 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
6. izer The control LED lights when the equalizer is activated 6 band graphic equalizer for sound adjustment The equalizer operates at mid range frequencies of 50 Hz 120 Hz 400 Hz 800 Hz 3 2 kHz and 10 kHz By means of the slide controls these frequencies can be individually boosted or cut by 12 dB COLOR Push button to activate the timbre control 13 The control LED lights when this function is activated With a footswitch connected the COLOR control has no function th mann bass head MUSIC IS OUR PASSION 13 14 15 16 17 Components and functions COLOR Timbre control from vintage to modern CONTOUR Push button to activate the contour control The control LED lights when this function is activated CONTOUR Contour control to decrease mid range frequencies while boosting low and high frequencies MUTE Push button to mute the outputs for loudspeaker and LINE The headphones output stays active The control LED lights when this function is activated With a footswitch connected the MUTE control has no function MASTER Control for the overall volume To avoid signal clipping monitor the POWER LED 3 while adjusting the volume BA250H themann MUSIC IS OUR PASSION 17 Components and functions 18 PHONES Y inch 6 35 mm headphone jack With headphones connected the SPEAKER OUT and LINE OUT outputs are muted To avoid noise and distorted sound signals turn down the v
7. olume using the MASTER control 17 before inserting or removing the headphone plug 19 AUXIN Additional signal input that is fed in after the sound control and the equalizer Use the MASTER control 17 to adjust the volume th mann bass head MUSIC IS OUR PASSION 18 Components and functions Rear panel BASS AMPLIFIER HEAD BAB5SOH SAT D XI RR HOCK POWER CONSUMPTION I70W D i POWER SOURCE F mee CES PIMARY FUSE TSAL BA250H th mann MUSIC IS OUR PASSION 19 Components and functions 20 21 22 23 24 TUNER OUT Y inch 6 35 mm monaural jack socket for a tuner FOOTSWITCH Y4 inch 6 35 mm stereo jack to connect an optional double footswitch for the MUTE and COLOR functions LINE OUT Male XLR panel connector as signal output for direct connection with a mixer other power amplifiers or a recording device GND LIFT If a ground loop causes hum use this switch to disconnect the ground line of LINE OUT Fan The fan speed varies according to the chassis inside temperature Do not block the fan SPEAKER OUT Loudspeaker output the signal is available in parallel on both a inch 6 35 mm monaural jack and a lockable speakON panel jack th mann bass head MUSIC IS OUR PASSION 20 Components and functions 25 POWER Power on off switch Switches the unit on and off 26 ACINPUT Plug for mains cable with fuse holder BA250H th mann MUSIC
8. tion 1 Function 1 2 Function 2 3 Ground N speakON connector for loud The following figure shows the pin assignment of the lockable speakON panel connector speaker connection BA250H th mann MUSIC IS OUR PASSION 13 Components and functions 4 Components and functions Front panel O 0006 CONTOUR MASTER th mann bass head MUSIC IS OUR PASSION 14 Components and functions ACTIVE PASSIVE Pressed Connect with a passive bass guitar Not pressed Connect with an active bass guitar INPUT 1 4 inch 6 35 mm monaural jack for the input signal from your bass guitar POWER The LED lights green when the amplifier turns on It lights red when the power amplifier is clipping In this case turn down the volume using the MASTER control 17 CLIP This LED lights when the pre amplifier is overdriving In this case turn down the gain using the GAIN control 5 GAIN Control to adjust the pre amplifier gain level BA250H th mann MUSIC IS OUR PASSION 15 Components and functions 10 11 12 BOOST Push button to boost low frequencies The control LED lights when this function is activated LOW Control to cut or boost low frequencies by 12 dB BRIGHT Push button to boost high frequencies The control LED lights when this function is activated HIGH Control to cut or boost high frequencies by 12 dB EQ Push button to activate the 6 band graphic equal
9. us injury if it is not avoided This combination of symbol and signal word indicates a possible dangerous situation that can result in minor injury if it is not avoided This combination of symbol and signal word indicates a possible dangerous situation that can result in material and environmental damage if it is not avoided Type of danger Warning high voltage themann MUSIC IS OUR PASSION General notes Warning signs Type of danger N Warning danger zone th mann bass head MUSIC IS OUR PASSION Safety instructions 2 Safety instructions Intended use Safety Use the device only as described in this user manual Any other use or use under other oper ating conditions 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 This device may be used only by persons with sufficient physical sensorial and intellectual abilities and having corresponding knowledge and experience Other persons may use this device only ifthey are supervised or instructed by a person who is responsible for their safety DANGER Danger for children Ensure that plastic bags packaging etc are disposed of properly and are not within reach of babies and young children Choking hazard Ensure that children do not detach any small parts e g knobs or the like from the unit They could swallow the pieces and choke Never let c

BA250H bass head user manual

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