Genelec 8040A User's Manual
Contents
1. 90 60 l 55 50 20 50 100 200 500 1k 2k 5k 10k 20k 20 50 100 200 500 1k 2k 5k 10k 20k Hz Hz Figure 10 The curves above show the effect of the bass tilt Figure 11 The upper curve group shows the horizontal directivity treble tilt desktop low frequency and bass roll off controls characteristics of the 8050A measured at 1 m The lower curve shows on the free field response of the 8050A the system s power response EC Declaration of Conformity Guarantee This is to certify that Genelec Monitoring Systems 8040A and 8050A conform to the following standards J Genelec 8040A and 8050A are supplied with Safety one year guarantee against manufacturing EN cone 7 TECG 60005 1998 GM Edition faults or defects that might alter the perform EMC ance of the loudspeakers Refer to supplier EN 55013 2001 for full sales and guarantee terms EN 55020 1994 A11 1996 A12 1999 A13 1999 A14 1999 EN 61000 3 2 2000 EN 61000 3 3 1995 The product herewith complies with the requirements of The Low Voltage Directive73 23 EEC EMC Directive 89 336 EEC and 93 68 EEC A Le Ilpo Martikainen Position Managing Director Date 20 April 2004 Signed 8040A and 8050A Operating Manual SYSTEM SPECIFICATIONS CROSSOVER SE2. 1m on axis A weighted Harmonic distortion at 90 dB SPL 1m on axis Freq 50 to 100 Hz lt 2 lt 2 gt 100 Hz lt 0 5 lt 0 5 AMPLIFIER SECTION Drivers 8050A Bass 165 mm 6 1 2 205 mm 8 a Treble 19 mm 3 4 25 mm 1 Sone 90 W 8 Ohm load 150 W 6 Ohm load Both drivers are metal dome metal dome we magnetically shielded Treble amplifier short 90 W 8 Ohm load 120 W 8 Ohm load term output power Weight 8 6 kg 18 9 Ibs 12 7 kg 28 Ibs Dimensions Long term output power is limited Height without table support 350 mm 13 13 16 433 mm 17 1 16 Dy SIGE MME protection circuitry Height including table support 365 mm 14 3 8 452 mm 17 13 16 Amplifier system distortion Width 237 mm 9 3 8 286 mm 11 1 4 at nominal output Depth 223 mm 8 13 16 278 mm 10 15 16 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 2 100 dB 2 100 dB Treble 2 100 dB 2 100 dB Mains voltage 100 120 220 or 230 V according to region Voltage operating range 10 Power consumption Idle 10 VA 10 VA Full output 110 VA 170 VA Genelec Document D0003R001a Copyright Genelec Oy 2 2005 All data subject to change without prior notice www genelec com International enquiries In the U S please contact In China please contact In Sweden please contact Genelec Olvitie 5 Genelec Inc 7 Tech Circle Beijing Genelec Audio Co Ltd Genelec Sverige FIN 741
3. loudspeaker should only be undertaken by qualified service personnel Safety considerations Although the 8040A and 8050A have been designed in accordance with international safety standards to ensure safe operation and to maintain the loudspeaker under safe operating conditions the following warnings and cautions must be observed 1 Servicing and adjustment must only be performed by qualified service personnel The loudspeaker 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 loudspeaker 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 5 Free flow of air behind the loudspeaker is necessary to maintain sufficient cooling Do not obstruct airflow around the loudspeakers WARNING Genelec 8040A and 8050A loudspeakers are capable of producing sound pressure levels in excess of 85 dB which may cause perma nent hearing damage 8040A Accessories Order code Floor stand black 8000 400 Wall mount black Omnimount 8040 404 B Ceiling mount black 8040 405 B Omnimount Wall mount black K amp M 8000 401 Soft carrying bag for two 8040 420 monitors 8050A Accessories Order code Floor s
4. monitors etc can cause unwanted colouration and blurring of the sound image These can be minimised by placing the loudspeaker clear of reflective surfaces For instance putting the loudspeakers on stands behind and above the mixing console usually gives a better result than placing them on the meter bridge All N Z f i GENELEC o on Oor Figure 1 Amplifier panel layout of the 8040A REFLEX PORT THREADS FOR CEILING AND WALL MOUNTS TONE CONTROLS SENSITIVITY ADJUSTMENT 8040A h 240 mm 8050A h 290 mm Figure 2 Location of the acoustic axis ACOUSTIC AXIS MAINS SWITCH AND CONNECTOR PANEL HORIZONTAL Cable Iso Pod TABLE noe 2 STAND F RCA Sereen KER Source Speaker Figure 3 RCA to XLR cable Minimum clearances Sufficient cooling for the amplifier and func tioning of the reflex port must be ensured if the loudspeaker is installed in a restricted space such as a cabinet or integrated into a wall structure The surroundings of the loudspeaker must always be open to the listening room with a minimum clearance of 5 centimeters 2 behind above and on both sides of the loudspeaker The space adjacent to the amplifier must either be ventilated or sufficiently large to dissipate heat so that the ambient temperature does not rise above 35 degrees Celsius 95 F Mounting options The vibration insulating Isolation Positione
5. 00 lisalmi Finland Natick MA 01760 USA Jianwai SOHO Tower 12 Room 2306 Box 5521 S 141 05 Huddinge Phone 358 17 83881 Phone 1 508 652 0900 39 East 3rd Ring Road Phone 46 8 449 5220 Fax 358 17 812 267 Fax 1 508 652 0909 Chaoyang District Beijing 100022 China Fax 46 8 708 7071 Email genelec genelec com Email genelec usa genelec com Phone 86 0 5869 7915 Email info genelec com Fax 86 10 5869 7914
6. 8000 Se ries Operating Manual Genelec 8040A and 8050A Monitoring Systems GENELEC GENELEC GENELEC Genelec 8040A and 8050A Monitoring Systems System The GENELEC 8040A and 8050A are two way active monitoring loudspeakers designed to produce high SPL output low coloration and broad bandwidth in a small enclosure size They are suitable for a wide variety of tasks such as near field monitor ing mobile vans broadcast and TV control rooms surround sound systems and home studios Designed as active loudspeak ers they contain drivers power amplifiers active crossover filters and protection cir cuitry The Minimum Diffraction Enclosure MDE and advanced Directivity Control Waveguide DCW technologies pro vide excellent frequency balance even in difficult acoustic environments Drivers The bass driver dimensions are 165 mm 6 1 2 and 205 mm 8 for 8040A and 8050A respectively The long flow optimized reflex tube has a large cross sectional area and terminates with a wide flare at the back of the enclosure The high frequency driver is a 19 mm 3 4 metal dome on the 8040A and a 25 mm 1 metal dome on the 8050A Both drivers are magnetically shielded Crossover The active crossover network consists of two parallel bandpass filters The crossover fre quency is 3 0 kHz on the 8040A and 1 8 kHz on the 8050A The active crossover controls treble tilt desktop low frequency b
7. CTION Lower cut off frequency 3 dB lt 35 Hz Input connector XLR female Pin 1 gnd pin 2 pin 3 Upper cut off frequency 3 dB 221 kHz 221 kHz Input impedance 10 kOhm balanced Free field frequency response of 48 Hz 20 kHz 38 Hz 20 kHz Input level for maximum short term Adjustable from 6 to 6 dBu system 2 2 0 dp output of 100 dB SPL 1m Maximum short term sine wave acoustic output on axis in half space averaged from 100 Hz to Crossover frequency Bass Treble 3 0 kHz 1 8 kHz Treble tilt control operating range in From 2 to 4 dB amp From 2 to 4 dB amp 3 kHz 2 dB steps MUTE 15 kHz MUTE 15 kHz im 2105 dB SPL 2110 dB SPL 0 5m 2111 dB SPL 2116 dB SPL Desktop low frequency control 4 dB 160 Hz 4 dB 160 Hz operating range Maximum long term RMS acoustic 2 99 dB SPL 2101 dB SPL output in same conditions with IEC Bass roll off control operating From 0 to 6 dB From 0 to 6 dB weighted noise limited by driver range in 2 dB steps 45 Hz 35 Hz unit protection circuit 1 m Bass tilt control operating range in From 0 to 6dB From 0 to 6 dB Maximum peak acoustic output 2115 dB SPL 2120 dB SPL 2 dB steps 100 Hz amp MUTE 100 Hz amp MUTE per pair above console top 1 The CAL position is with all tone controls m from the engineer with music set to off and the input sensitivity control material to maximum fully clockwise Self generated noise level in free lt 10 qB lt 10 dB field
8. ass tilt and bass roll off allow precise match ing of the loudspeakers to any room environ ment Amplifiers The amplifier unit is mounted in the rear of the loudspeaker enclosure The unit incor porates special circuitry for driver thermal overload protection Variable input sensitiv ity allows accurate level matching to console output section Connections Each loudspeaker is supplied with a mains cable and an operating manual Before con necting up ensure that the mains switch is off see figure 1 Audio input is via a 10 kOhm balanced 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 connections have been made the loudspeakers are ready to be switched on Mounting considerations Align the loudspeakers correctly Always place the loudspeakers so that their acoustic axes see figure 2 are aimed towards the listening position Vertical place ment is preferable as it minimises acoustical cancellation problems around the crossover frequency Maintain symmetry Check that the loudspeakers are placed symmetrically and at an equal distance from the listening position If possible place the system so that the listening position is on the centerline of the room and the loudspeakers are placed at an equal distance from the cen terline Minimise reflections Acoustic reflections from objects close to the loudspeakers like desks cabinets computer
9. n of 4 dB at 160 Hz to compen sate the effect of a mixing console desk or other reflective surface between the listener and the loudspeaker The factory settings for these controls are all OFF to give a flat anechoic response Bass roll off control Bass roll off first switch group from the left affects the low frequency roll off of the loud speaker and attenuates its energy output near the cut off frequency Attenuation levels of 2 4 or 6 dB can be selected Desktop low frequency control The desktop low frequency control fourth switch of first switch group from the left attenuates the bass frequencies around 160 Hz by 4 dB see figures 8 and 10 This feature is designed to compensate for the boost often occurring at this frequency range when the loudspeaker is placed upon a meter bridge table or similar reflective surface Bass tilt control The bass tilt control switches second switch group from the left offer three attenuation levels for the bass response below 800 Hz usually necessary when the loudspeak ers are placed near room boundaries The attenuation levels are 2 dB 4 dB and 6 dB ae Mounting Position Treble tilt ee Bass roll off EA LF Flat anechoic Flat anechoic response Free standing in a damped 2 dB None room Free standing in a 4 dB None reverberant room Near field on a reflective 2 dB None 4 dB Table 1 Suggested tone control settings in some typical situations
10. r Decoupler Iso Pod table stand allows tilting of the loudspeaker for correct align ment of the acoustic axis The stand can be attached to three mounting points allowing vertical and symmetrical horizontal position ing see figures 1 and 4 Genelec 8040A and 8050A can be fitted to Omnimount Series 30 8040A and 60 8050A and K nig amp Meyer loudspeaker mounts on two sets of M6x10 mm threaded holes on the back of the enclosure On the base of the enclosure is an M10x10 mm threaded hole which can be used for secur ing the loudspeaker to its base Do not use this thread for mounting the loudspeaker on a microphone stand which has a 3 8 UNC thread Setting the input sensitivity The input sensitivity of the loudspeakers can be matched to the output of the mixing con sole or other source by adjusting the input sensitivity control on the rear panel see figure 1 A screwdriver is needed for the adjustment The manufacturer s default set ting for this control is 6 dBu fully clockwise which gives an SPL of 100 dB 1m with 6 dBu input level Setting the tone controls The frequency response of the system may also have to be adjusted to match the acoustic environment The adjustment is carried out by setting the three tone con trol switch groups treble tilt bass tilt and bass roll off on the rear panel of the amplifier There is also a special desktop low frequency tone control which gives an attenuatio
11. tand black 8000 400 Wall mount black Omnimount 8050 404 B Ceiling mount black 8050 405 B Omnimount Soft carrying bag for one 8050 420 monitor GENELEC Genelec Oy 8040A dBr vs freq Hz 6 Apr 04 Genelec Oy 8040A horizontal off axis response level dBr vs freq Hz 6 Apr 04 d 100 B Ap Ap r 90 95 A F 85 a B 90 80 r 85 DESKTOP LF 85 A 80 80 90 q 75 E BASS TILT 85 if 100 70 80 H a H 95 65 BASS ROLL OFF TREBLE TILT f 90 60 55 j 50 20 50 100 200 500 1k 2k 5k 10k 20k 20 50 100 200 500 1k 2k 5k 10k 20k Hz Hz Figure 8 The curves above show the effect of the bass tilt Figure 9 The upper curve group shows the horizontal directivity treble tilt desktop low frequency and bass roll off controls characteristics of the 8040A measured at 1 m The lower curve shows on the free field response of the 8040A the system s power response Genelec Oy 8050A dBr vs freq Hz 6 Apr 04 Genelec Oy 8050A dBr vs freq Hz 6 Apr 04 d SSS ee 100 B Ap f Ap r 90 95 90 d o 45 30 5 0 15 30 r 85 A 80 75 f 45 60 100 70 E cl gave ESA y BASS ROLL OFF TREBLE TILT ttt Onn S
12. wall mount Figure 5 Omnimount type Figure 6 K amp M type wall mount horizontal mounting Figure 4 The Iso Pod can also be attached to the side of the enclosure for Figure 7 Carrying bag for a pair of 8040A loudspeakers Treble tilt control Treble tilt third switch group from the left allows adjusting the treble response above 5 kHz by 2 2 or 4 dB which can be used for correcting an excessively bright or dull sounding system An acoustic measuring system such as MLSSA or WinMLS is recommended for analyzing the effects of the adjustments however careful listening with suitable test recordings can also lead to good results if a test system is not available Table 1 shows some typical settings in various situations Figures 8 and 10 show the effect of the con trols on the anechoic response Always start adjustment by setting all switches to OFF position Then set only one switch per group to the ON position to select the desired adjustment If more than one switch is set to ON within one switch group the attenuation value is not accurate Measure or listen systematically through the different combinations of settings to find the best frequency balance Maintenance No user serviceable parts are to be found within the loudspeaker cabinet or the ampli fier unit Any maintenance or repair of the
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