Genelec 1031A User's Manual
Contents
1. Accessories Order code Protective grille 1031 409 Wall mount 1031 404 V H Floor stand 1031 405 V H State the desired speaker orientation V vertical or H horizontal when ordering these accessories Guarantee This product is supplied with one year guar antee against manufacturing faults or defects that might alter the performance of the 1031A unit Refer to supplier for full sales and guar antee terms 1031A Operating Manual IEC approved reverberation chamber Figure 4 The upper curve group shows the horizontal directivity characteristics of the 1031A in vertical configuration measured at 1 m The lower curve is a 1 3 octave band power response measured in an AUDIO PRECISION 1031anec LEVEL dBr vs FREQ Hz 07 SEP 93 11 21 58 AUDIO PRECISION 1031anec LEVEL dBr vs FREQ Hz 07 SEP 93 10 04 11 100 110 Ap Ap 95 105 de 90 is 100 LA an Nain EN 95 TT Lanny pre A BASS TILT TREBLE TILT 80 ia 90 75 30 Le HE CRE pM 45 EEE i Va TT oY N AN 70 80 i fete Y 65 100 75 BASS ROLL OFF 60 95 70 IF Nel f 90 65 j 60 20 100 1k 10k 20k 20 100 1k 10k 20k Figure 5 The curves show the effect of the bass tilt treble tilt and bass roll off controls on the free field2. Genelec China Representative Office Soho New Town 88 Jianguo Road D 1504 Chaoyang District Beijing 100022 China Phone 86 10 8580 2180 Fax 86 10 8580 2181
3. The Low Voltage Directive73 23 EEC and EMC Directive 89 336 EEC as amended by Directive 93 68 EEC Za Lt Signed lipo Martikainen Position Managing Director Date 20 Sep 2001 clearance for the amplifier is 10 centimeters 4 to any object The space adjacent to the amplifier must either be ventilated or suf ficiently large to dissipate heat so that the ambient temperature does not rise above 35 degrees Celsius 95 F Before connecting up ensure that the mains switch is off see figure 4 Check that the mains voltage selector is correctly set Models sold in Europe have a fixed 230 V setting Audio input is via a 10 kOhm bal anced XLR connector but unbalanced leads may be used as long as pin 3 is grounded to pin 1 of the XLR see figure 3 Once the connection has been made the speakers are ready to be switched on Setting the input sensitivity The input sensitivity of the speakers can be matched to the output of the mixing console or other source by adjusting the input sensi tivity control on the rear panel see figure 4 A small screwdriver is needed for the adjust ment The manufacturers default setting for this control is 6 dBu fully clockwise which gives an SPL of 100 dB 1m with 6 dBu input level Note that to get the full output level of 110 dB SPL an input level of 4dBu is needed in this setting Setting tone controls The response of the system may also have to be adjusted to match the acoustic e
4. flat anechoic response See Table 1 for sug gested tone control settings Figure 5 shows the effect of the controls on the anechoic response Always start adjustment by setting all switches to OFF position Then set only one switch to the ON position to select the response curve needed If more than one switch is set to ON within one switch group the attenuation value is not accurate Vertical horizontal mounting The speakers are normally delivered set up for vertical mounting Horizontal mount ing should be avoided due to the increased likelihood of early reflections that degrade the the direct sound If horizontal mounting is needed the DCW plate may be rotated so that the Genelec logo remains horizontal by removing the four corner screws of the DCW and carefully lifting and turning the DCW Console top mounting If the 1031A s are used for near field monitor ing avoid mounting them on the meter bridge of the console Instead position the speakers slightly behind the console by using floor stands or wall mounts This prevents the first reflections from the console surface from coloring the sound Overload indicators The speaker is provided with two status LED s marked OVL and ON The green ON LED when lit indicates that the speaker is ready for use The red OVL LED indicates that the amplifier is overloaded or the driver protection circuit is activated In both cases reduce the signal level so that th
5. d 031 A Operating Manual Genelec 1031A Monitoring System GENELEC GENELEC Genelec 1031A Monitoring System System The bi amplified GENELEC 1031A is a two way active monitoring speaker designed to produce high SPL output low coloration and broad bandwidth in a small cabinet size The 1031A is ideal for applications where space is at premium such as Near Field monitoring mobile vans broadcast and TV control rooms surround sound systems and budget and home studios Designed as an active speaker the 1031A contains drivers power amplifiers active crossover filters and protection circuitry The Directivity Control Waveguide DCW technology used provides excellent frequency balance even in difficult acoustic environments Drivers The low frequencies are reproduced by a 210 mm 8 bass driver loaded in a 15 liter vented cabinet The 3 dB point lies at 47 Hz and the frequency response extends down to 43 Hz 6 dB The high frequency driver is a 19 mm 3 4 metal dome Uniform dispersion con trol is achieved with the innovative DCW Technology pioneered by Genelec which also provides perfect phase and delay uni formity at the crossover frequency Both drivers are magnetically shielded Crossover The active crossover network consists of two parallel bandpass filters Acoustically the filters are complementary and the slopes are 24 dB octave The crossover frequency is 2 2 kHz The acti
6. e Crossover acoustical slopes Treble tilt control operating range in 2 dB steps from 2 to 4 dB amp MUTE Bass roll off control operating range in 2 dB steps from 0 to 8 dB 40 Hz Bass tilt control operating range in 2 dB steps from 0 to 6 dB 80 Hz amp MUTE The CAL position is with all tone controls set to off and the input sensitivity control to maximum fully clockwise Genelec Document D1031AR001 Copyright Genelec Oy 6 2003 All data subject to change without prior notice AMPLIFIER SECTION Bass amplifier short term output power with a 8 Ohm load 120 W Treble amplifier short term output power with an 8 Ohm load 120 W Long term output power is limited by driver unit protection circuitry Amplifier system distortion at nominal output THD lt 0 05 SMPTE IM lt 0 05 CCIF IM lt 0 05 DIM 100 lt 0 05 Signal to Noise ratio referred to full output Bass gt 100 dB Treble gt 100 dB 230 100 200 or 115 230V according to region Mains voltage Voltage operating range 10 Power consumption Idle 30 VA Full output 160 VA www genelec com GENELEC International enquiries In the U S please contact Genelec Olvitie 5 FIN 74100 lisalmi Finland Phone 358 17 83881 Natick MA 01760 USA Phone 1 508 652 0900 Fax 358 17 812 267 Fax 1 508 652 0909 Email genelec genelec com Genelec Inc 7 Tech Circle Email genelec usa genelec com In China please contact
7. e LED stops blinking If the OVL LED stays on constantly it indicates that the amplifier thermal protection is activated Let the amplifier cool down and check that the ventilation at the rear side of the speaker is not blocked There should be a clearance of more than 4 10cm between speaker rear and any solid surface Maintenance No user serviceable parts are to be found within the amplifier unit Any maintenance or repair of the 1031A unit should only be undertaken by qualified service personnel Safety considerations Although the 1031A has been designed in accordance with international safety standards to ensure safe operation and to maintain the instrument under safe operating conditions the following warnings and cau tions must be observed 1 Servicing and adjustment must only be performed by qualified service personnel The amplifier s rear panel must not be opened 2 Do not use this product with an unearthed mains cable as this may lead to personal injury 3 To prevent fire or electric shock do not expose the unit to water or moisture Do not place any objects filled with liquid such as vases on the speaker or near it 4 Note that the amplifier is not completely disconnected from the AC mains service unless the mains power cord is removed from the amplifier or the mains outlet WARNING This equipment is capable of producing sound pressure levels in excess of 85 dB which may cause permanent hearing damage
8. nvi ronment The adjustment is done by setting TREBLE TILT CONTROL BASS TILT CONTROL INPUT SENSITIVITY CONTROL USING THE TONE CONTROLS REFER TOTHE OPERATNG TONE CONTROL SETINGS CONTROL payer ATION ONLY ONE SoH EACH TON OL GROUP SHOULD BASS ROLL OFF CE eer FORAFLAT FREE FIELD RESPONSE SET ALL TONE CONTROLS TO OFF CALPosmon mi ALL CONTROLS OFF Tar INPUT SENSITIVITY babu Near field or console bridge INPUT CONNECTOR MAINS VOLTAGE SELECTOR WHERE APPLICABLE MAINS CONNECTOR TOSTA BLAMPUFIED MONITORING SYSTEM SERIAL NUMBER GENELEC Speaker Mounting Treble tilt Bass roll off Position Free standing in a damped room Free standing in a None 4 dB 2 RCE reverberant room Table 1 Suggested tone control settings in some typical situations MAINS SWITCH WARNING ELECTRIC SHOCK HAZARD Figure 1 Amplifier panel layout of the 1031A 320 mm Figure 2 Location of the acoustic axis 495 mm Cable nn E p RCA Screen XLR Source Speaker Figure 3 RCA to XLR cable the three tone control switch groups treble tilt bass tilt and bass roll off on the rear panel of the amplifier The factory settings for these controls are ll Off to give a
9. response SYSTEM SPECIFICATIONS lt 47 Hz gt 22 kHz Lower cut off frequency 3 dB Upper cut off frequency 3 dB Free field frequency response of system 48 Hz 22 kHz 2 dB Maximum short term sine wave acoustic output on axis in half space averaged from 100 Hz to 3 kHz im gt 110 dB SPL 0 5m gt 116 dB SPL Maximum long term RMS acoustic output in same conditions with IEC weighted noise limited by driver unit protection circuit im gt 101 dB SPL 0 5m gt 107 dB SPL Maximum peak acoustic output per pair above console top 1 m from the engineer with music material gt 120 dB Self generated noise level in free field 1m on axis lt 10 dB A weighted Harmonic distortion at 90 dB SPL 1m on axis Freq 50 100 Hz lt 3 gt 100 Hz lt 0 5 Drivers Bass 210 mm 8 cone Treble 19 mm 3 4 metal dome Both drivers are magnetically shielded Weight 12 7 kg 28 Ib Dimensions Height 393 mm 15 1 2 Width 250mm 9 7 8 Depth 290mm 11 7 16 CROSSOVER SECTION Input connector XLR female pin 1 gnd pin 2 pin 3 Input impedance 10 kOhm balanced Input level for 100 dB SPL output 1m variable from 6 to 6 dBu Input level for maximum short term sine wave output of 110 dB SPL 1m variable from 16 to 4 dBu 18 dB octave 12 dB octave Subsonic filter below 45 Hz Ultrasonic filter above 25 kHz 2 2 kHz 24 dB octave Crossover frequency Bass Trebl
10. ve crossover controls treble tilt bass til and bass roll off allow this speaker to be exactly matched to any room environment Amplifiers The amplifier unit is mounted to the rear of the speaker enclosure on quick release vibration isolators to ensure rattle free operation and long term reliability The bass and treble amplifier produce respectively 120 Watts of short term power The peak output sound pressure level of the 1031A exceeds 120 dB at 1 m The unit incorporates special circuitry for driver overload and amplifier thermal overload protection Variable input sensitivity allows for accurate level matching to console output section Installation Each 1031A monitor is supplied with a mains cable and an operating manual After unpacking place the speaker so that its acoustical axis see figure 2 is aimed towards the listening position Do not place the speaker in a horizontal position as this may cause acoustical cancellation problems around the crossover frequency Sufficient cooling for the amplifier must be ensured if the speaker is installed in a restricted space such as a cabinet or inte grated into a wall structure The minimum EC Declaration of Conformity This is to certify that the Genelec Monitoring System 1031A conforms to the following product specifications Safety EN 60065 EMC EN 55013 EN 55020 EN 61000 3 2 and EN 61000 3 3 The product herewith complies with the require ments of
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