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XO-231

1. XO 231 Crossover ENGLISH USER S MAN UAL the t amp IMPORTANT SAFETY INSTRUCTIONS For your own safety you should read this section in full first N Risk of electrical shock Connect the device only to a properly wired and earthed electrical wall socket providing a mains voltage of 230 V 50 Hz NEVER operate the device if the power plug or power the cord is damaged NEVER submerse the device in water Wipe it only with a slightly damp cloth NEVER expose the device to rain or moisture and never use it in a damp or wet environment Ensure that the power cord does not become wet during operation You must NEVER open the housing of the device or try to repair it There are no user serviceable parts inside Warranty will become void if you open the housing Do not place objects containing fluids e g flower vases or beer bottles on or near the device Notice regarding power disconnection To switch the device off and to disconnect it from the power source the power plug must be removed from the power socket For this reason the device should be placed in a position where a constant unobstructed access to the power socket is assured thus in an emergency situation you are able to immediately pull out the power plug To eliminate the risk of fire you must completely disconnect the power plug from the power socket after the device has been used Always grasp the power cord by the plug Do not pull on the c
2. output making the signal appropriate for out of phase or incorrectly wired speakers 13 Subwoofer Mute Button Pushing this button will mute the subwoofer Signal HIGH MID HIGH N USED TB EITE KTO IN are A ZZ aba O LAW wet O Rear Panel 14 AC Connector and Fuse Holder This connector is used to supply power to the XO 231 through the AC cable provided along with this unit The fuse holder located below this connector is used to house the connector s fuse If for some reason the fuse blows replace it with a fuse of identical type and rating 15 High Output Connectors This connector will output the high band signal 16 Low Output Connectors This connector will output the low band signal 17 Crossover Frequency Button Pushing this button will raise the control range of frequencies adjustable by the high low crossover frequency control by 10 times i e when the button is released the control range will be between 44 and 930 Hz pushed in the range will be between 440 Hz and 9 3 kHz 18 Input Connector Users can connect their balanced or unbalanced input signals here 19 Mode Button This button determines the operating of the crossover For 2 way stereo operation the button should be pressed Release the XO 231 will be set to 3 way mono Note Be sure to turn your system off before changing the setting of this button as it produces interference that may have a negative effect on speakers or othe
3. Pushing this button will activate a low cut high pass filter set at 25 Hz which will help protect woofers from extremely low frequency signals 3 Low High Crossover Frequency Control This control will determine the crossover frequency between the low and high frequency signals When the Crossover Frequency button on the rear of the device is pushed in the frequency range is multiplied by a factor of 10 4 Low Output Control This controls the level of the low band output between 6 and 6 dB 5 Low Phase Invert Control This button reverses the phasing of the low band output making the signal appropriate for out of phase or incorrectly wired speakers XO 231 USER S MANUAL 6 Low Mute Button Pushing this button will mute the low band signal 7 High Output Control This controls the level of the high band output between 6 and 6 dB 8 High Phase Invert Button This button reverses the phasing of the high band output making the signal appropriate for out of phase or incorrectly wired speakers 9 High Mute Button Pushing this button will mute the high band Signal 10 Subwoofer Crossover Frequency Control This control will determine the crossover frequency between the low and subwoofer frequency signals between 10 and 215 Hz 11 Subwoofer Gain Control This control is used to set the output level of the Subwoofer output 12 Subwoofer Phase Invert Button This button reverses the phasing of the subwoofer
4. Setting Input Levels The input level can be cut and boost by up to 6 dB Provided the output level of your mixer is set to an acceptable degree setting all input controls to O dB should be perfectly acceptable In the event that the device you connect to the XO 231 s input is a consumer level device i e signal level is as low as 10dBV using the full amount of boost that the input level control allows may be necessary Setting Output Levels Output levels of each individual band can be cut and boost by up to 6 dB With the help of an analyser all output levels can be set to achieve a linear freguency response in the system First mute each output leaving the one you wish to set active and check crossover freguencies and levels by playing pink noise through your system Then when switching on an adjacent band the level measured at the crossover freguency should immediately go up by 3 dB This can then be repeated for all output channels Setting the Crossover Freguency The first thing to keep in mind when setting your crossover is what freguencies can my speakers handle Be sure to check your subwoofer full range speaker or driver s user s manual before setting your crossover freguencies Keeping the signal sent to the speaker in the freguency range ascribed in the user s manual will ensure your speakers function smoothly and correctly The Linkwitz Riley filter employed by the XO 231 employs a slope of 24 dB per octave
5. balanced HF filtered Balanced 60 ohm unbalance 30 ohm 20 dBu balanced or unbalanced 20 Hz to 20 kHz 0 0 5 dB lt 5 Hz to gt 60 kHz 0 3 dB Ref 4 dBu 20 Hz to 20 kHz unweighted Stereo Mode Mono Mode gt 94 dB gt 94 dB gt 96 dB gt 92 dB gt 92dB gt 106 dB unweighted lt 0 04 High to Low lt 93 dB High to Mid lt 95 dB Mid to Low lt 96 dB XO 231 USER S MANUAL Europe U K Australia USA Canada Japan Power Consumption Fuses Mains Connection Dimensions Net Weight 230V 50 Hz 120V 60 Hz 100V 50 60 Hz lt 20 W 100 120 V T630 mA H 200 240V T 315 mA H Standard IEC receptacle 19 x 1 75 x 8 5 482 6 x 44 x 217 mm 6 2 Ibs 2 8 kg the t amp DIMENSIONS 206 3 8 1 I U U U E WU U qq 482 6 19 o O LOOS 9 a kerrak N O O O LJ O O Q Q Q C C C C C CD XO 231 USER S MANUAL 44 1 BLOCK DIAGRAM CLIP al b by rfi INPUT 1 N LOW CUT E d ZE INPUT MONO STEREO os Oo n STEREO D CLIP El EE bekei XO 231 USER S MANUAL x x10 LOW HSH MONO STEREO Riley Fille pade Oct Linkwitz b HH A MOVER FREQ LOW HIGH 24dB Oct Linkwitz EH Filter m 240B Cic Linkwitz files Fitter db MOVER FREG Y HF HF MILITE MUTE MIUTE ELN Fa gt A GAIN SO GAIN GAIN t LO S HAO USED HKSH LOW LOA SUBE OUT HIS
6. H HIGH the berere CAMP
7. It may be interesting to note that due to the Crossover Frequency Button on the rear of the device the crossover frequency for the low frequency band is adjustable between 44Hz and 9 3 kHz This allows for the low output to be used with full range Speakers as well as subwoofer speakers Subwoofer Output The XO 231 features an individual subwoofer output that runs whether in stereo or mono operation The subwoofer output featured in addition to the low frequency output allows exceptionally loud and deep bass to be played through your system The subwoofer signal is a combined mono signal of the channel 1 and 2 input signals XO 231 USER S MANUAL SPECIFICATIONS Audio Inputs Connectors Type Input Impedance Max Input Level CMRR Audio Outputs Connectors Type Output Impedance Max Output Level Performance Bandwidth Frequency Response Signal to Noise Ratio Low Output Mid Output High Output Dynamic Range THD amp Noise Interchannel Crosstalk Crossover Filter Type Linkwitz Riley 24 dB octave state variable Mono Mode Frequencies x1 x10 Low High 44 930 Hz 440 Hz 9 3 kHz Low Mid 44 930 Hz 440 Hz 9 3 kHz Mid High 440 Hz 9 3 kHz Stereo Mode Frequencies x1 x10 Low High 44 930 Hz 440 Hz 9 3 kHz XLR Electronically servo balanced HF filtered Balanced gt 50 kohm unbalance gt 25 kohm 22 dBu typical balanced or unbalanced gt 40dB typical gt 55dB at 1 kHz XLR Electronically servo
8. MUTE GAIN MUTE INPUT LOW CUT O 12 HIGH OUTPUT HIGH OUTPUT MID HIGH MID OUTPUT D WB stereo J LOW OUTPUT 2 2 FINV 4 4 FT XOVER FREQ GAIN MUTE 7 8 19 19 43 15 Subwoofer Gain Control This control is used to set the output level of the subwoofer output 16 Subwoofer Phase Invert Button This button reverses the phasing of the subwoofer output making the signal appropriate for out of phase or incorrectly wired speakers 17 Subwoofer Mute Button Pushing this button will mute the subwoofer Signal XO 231 USER S MANUAL HIGH MID MID HIGH HOT USED EA Ss ES GE LOWIHIGH HIGH LOW A Cu GZ Rear Panel 18 AC Connector and Fuse Holder This connector is used to supply power to the XO 231 through the AC cable provided along with this unit The fuse holder located below this connector is used to house the connector s fuse If for some reason the fuse blows replace it with a fuse of identical type and rating 19 High Output Connectors This connector will output the high band signal 20 Mid Output Connectors This connector will output the mid band signal 21 Low Output Connectors This connector will output the low band signal 22 Crossover Frequency Button Pushing this button will raise the control range of frequencies adjustable by the low mid crossover frequency control by 10 times i e when the button is released th
9. W OUTPUT 5 16 MONO 3 WAY HIGH OUTPUT STEREO 2 WAY SUBWOOFER 0 40 0 2 a MA 25 75 2 FINV 4 4 15 145 4 6 6 10 218 dB GAIN H MUTE XOVERFREQ 4 19 7 7 Mid High Crossover Frequency Control This control will determine the crossover frequency between the mid and high frequency signals When the Crossover Frequency button on the rear of the device is pushed in the frequency range is multiplied by a factor of 10 8 Mid Output Control This controls the level of the mid band output between 6 and 6 dB 9 Mid Phase Invert Button This button reverses the phasing of the mid band output making the signal appropriate for out of phase or incorrectly wired speakers 10 Mid Mute Button Pushing this button will mute the mid band signal 11 High Output Control This controls the level of the high band output between 6 and 6 dB 12 High Phase Invert Button This button reverses the phasing of the high band output making the signal appropriate for out of phase or incorrectly wired speakers 13 High Mute Button Pushing this button will mute the high band signal 14 Subwoofer Crossover Frequency Control This control will determine the crossover frequency between the low and subwoofer frequency signals between 10 and 235 Hz INPUT CLIP LOW CUT LOW HIGH 12 4 0 2 4 4 mA da 2 2 FINV E OUT FINV 4 8 e 7 4 4 dh MI 6 44 930 4 6 d KI ma E dE GAIN
10. e control range will be between 44 and 930 Hz pushed in the range will be between 440 Hz and 9 3 kHz 23 Crossover Frequency Button Pushing this button will raise the control range of frequencies adjustable by the mid high crossover frequency control by 10 times i e when the button is released the control range will be between 44 and 930 Hz pushed in the range will be between 440 Hz and 9 3 kHz 24 Input Connector Users can connect their balanced or unbalanced input signals here XO 231 USER S MANUAL 25 Mode Button This button determines the operating of the crossover For 3 way mono operation the button should be released When pressed down the XO 231 will be set to 2 way stereo Note Be sure to turn your system off before changing the setting of this button as it produces interference that may have a negative effect on speakers or other equipment 26 Subwoofer Output Connectors This connector will output the subwoofer signal This signal remains constant when in mono or stereo mode the t amp APPLICATION Measurement amp Setup Tools By using a hand held spectrum analysing tool along with pink noise users are able to better perfect their system s sound Check the operation manuals for your analyser and pink noise generator for many more useful tips on set up Play the pink noise through your system and stand about 5 meters from your speaker to take measurements with the spectrum analyser
11. guipment Ensure a safe location for the device Do not operate the device if it has sustained a fall or is damaged Arrange for the device to be checked and or repaired by qualified technicians WARNING AN A This symbol wherever it appears alerts you to the presence of uninsulated dangerous voltage inside the enclosure voltage that may be sufficient to constitute risk of shock This symbol wherever it appears alerts you to important operating and maintenance instructions in the accompanying literature Read the manual XO 231 USER S MANUAL XO 231 USER S MANUAL CONTENTS 0 1 INTRODUCTION FEATURES QUICK SETUP OPERATING THE XO 231 2 WAY STEREO OPERATION 3 WAY MONO OPERATION APPLICATION SPECIFICATIONS DIMENSIONS BLOCK DIAGRAM zi zd MO GO GN JO BR BR R A ymthe WWW THOMANN DE t am D the t amp INTRODUCTION Congratulations on your purchase of the XO 231 a quality high precision 2 way stereo 3 way mono crossover with a multitude of built in features such as low pass filters phase invert switches and an additional subwoofer channel This user s manual is specially designed to provide you with the best possible information on using the device We strongly suggest reading the manual carefully before attempting to handle this device and then store it an easily accessible place for future reference FEATURES Professional high precision stereo 2 way mono 3 way crossover w
12. ignal processors including the XO 231 amps speakers OPERATING THE XO 231 As the XO 231 runs in a variety of different modes we have separated this user s manual by these different modes and highlighted the control elements pertaining to each mode as to help better make the distinction between critical Note on the rear of the device the labels located above or below any of the connectors refer to different crossover modes available Ensure the MODE switch and the corresponding connectors are properly configured as to prevent damage occurring to your speakers XO 231 USER S MANUAL INPUT CLIP LOWCUT LOW MID 0 moro INPUT CLIP LOW CUT LOW HIGH so 1 wee 22 2 i E ZG 7 8 8 4 4 e n ra 12 12 44 930 6 6 de EINI Hr EA df XOVER FREQ GAIN LOW OUTPUT LOW OUTPUT MUTE INPUT LOW CUT HIGH OUTPUT 8 42 MONO 3 WAY STEREO 2 WAY SUBWOOFER 40 10 215 XOVER FREQ DO Ue DO 6 20 E 2 WAY STEREO OPERATION Set the XO 231 to 2 way stereo by ensuring the Mode button on the rear of the device is pressed down When set correctly the stereo LED on the front of the device will light up as well as the corresponding function buttons When set to stereo both channels will work in an identical manner Front Panel 1 Input Control This control will adjust the input gain between 12 and 12 dB 2 Low Cut Button
13. ith separate subwoofer output Separate subwoofer section with independent frequency control World class performance 24dB per octave Linkwitz Riley filters Absolutely flat summed amplitude response zero phase difference Individual output level controls for all bands Individual output mutes for easy band adjustment Individual phase reverse switches for instant phase correction Switchable 25Hz subsonic filter on each input for low frequency driver protection Servo balanced XLR connectors for all inputs and outputs Ultra high precision potentiometers for ultimate accuracy and repeatability Ultra low noise audio operational preamplifiers for outstanding sound performance Illuminated switches for secure operation in dark stage environments High quality components and exceptionally rugged construction for long life and reliability Shielded toroidal mains transformer for minimal noise interference QUICK SETUP 1 Make sure your unit is off Preferably remove the AC power cable 2 Connect your required output device to the XO 231 s input connector Commonly this would be a mixer s auxiliary or main output 3 Connect all of your required input devices to the device s output connectors Commonly this would be amplifiers or active speakers Subwoofers 4 Set the mode button on the rear to your needs There are two modes total 2 way stereo and 3 way mono 5 Turn your devices on in this order instruments mixer s
14. ord itself and never touch the power cord with wet hands as this could result in a short circuit or an electrical shock Do not place the device speaker cabinets or anything 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 Check the power cord from time to time Should it become damaged contact our customer service centre to have it replaced Never manipulate the power cord of the plug If a power cord is provided with an earth lead this is mandatory to ensure safe operation N Risk of fire NEVER leave the device unattended while it is switched on Never cover the ventilation slots of the device while it is switched on Avoid placing this device in locations that provide insufficient ventilation or hot locations and do not place the device in direct sunlight or under strong artificial light sources Otherwise it may overheat and become irreparably damaged Do not operate or store the device in hot locations or near heat sources like stoves radiators or the like Do not place any open sources of fire like candles on the device When a thunderstorm with the risk of lightening threatens please disconnect the device from the mains power N Risk of personal injury e Keep the power cord and device away from children Children freguently underestimate the dangers of electrical e
15. r equipment 20 Subwoofer Output Connectors This connector will output the subwoofer signal This signal remains constant when in mono or stereo mode INPUT CLIP LOW CUT LOW MID MONO EA a m INPUT CLIP LOW CUT LOW HIGH ba o El 4 4 8 mA EA 12 12 44 930 d EEE n Os INPUT LOWKUT XOVERFREQ VC 3 4 6 3 WAY MONO OPERATION Set the XO 231 to 3 way mono by releasing the Mode buttons on the rear ofthe device When set correctly the mono LED on the front of the device will light up as well as the corresponding function buttons Front Panel 1 Input Control This control will adjust the input gain between 12 and 12 dB 2 Low Cut Button Pushing this button will activate a low cut high pass filter set at 25 Hz which will help protect woofers from extremely low freguency signals 3 Low Mid Crossover Freguency Control This control will determine the crossover frequency between the low and mid frequency signals When the Crossover Frequency button on the rear of the device is pushed in the frequency range is multiplied by a factor of 10 4 Low Output Control This controls the level of the low band output between 6 and 6 dB 5 Low Phase Invert Control This button reverses the phasing of the low band output making the signal appropriate for out of phase or incorrectly wired speakers 6 Low Mute Button Pushing this button will mute the low band Signal LOW OUTPUT LO

XO-231

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