LEM POWERFACTOR 3 Owner'S Manual Download | Manualshive

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Summary of Contents for POWERFACTOR 3

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Page 2: ...ctrician to replace your obsolete outlet Do not defeat the safety purpose of the plug 9 The power supply cord of the product should be unplugged from the outlet when left unused for a long period of time When unplugging the power supply cord do not pull on the cord but grasp it by the plug 10 Care should be taken so that object do not fall and liquid are not spilled into the enclosure through open...

Page 3: ...nstallation and use 5 Functions Controls 7 POWER ON OFF 7 INPUT ATTENUATORS 7 METERs 7 PROTECT LEDs 8 HI FREQ LEDs 8 SIGNAL LEDs 8 TEMP LED 8 READY LED 8 Connection panel 9 INPUTS 9 LINK 9 OUTPUTS 9 A C 9 Connection examples 10 Stereo 10 Stereo Link 11 Parallel 12 Connection cables 13 Power cords 13 Signal cables 14 Technical specifications 15 Diagrams 16 POWERFACTOR 3 response curves 16 POWERFACT...

Page 4: ...ipation ü Radical reduction of dimensions and weight ü Remarkable increase in power ü Unbeatable constant efficiency values ü Accurate tone definition ü Great long term sturdiness and reliability Active Power Factor Correction The active power factor correction is an exclusive function which contributes to distinguishing POWERFACTOR amplifiers from other switching systems Simulating a purely resis...

Page 5: ...e same weight and dimensions just 9 5 kg in 1 rack unit A result that speaks for itself and can be effectively summed up as really small really light and really powerful amplifiers Total control As well as the structural technology a series of patented devices ensures cutting edge figures for all parameters slew rate damping factor distortion frequency response etc POWERFACTOR amplifiers are thus ...

Page 6: ...ce trips in the event of short circuiting or overloading at output transistor level It s absolutely unnoticeable when not enabled When this protection trips the PROTECT LED lights up Loudspeaker protection In the event of output transistor breakdown or other forms of faulty operation sending DC voltage or excessive subsonic frequencies to one or both outputs a protection device immediately cuts of...

Page 7: ... up for a few moments Installation and use Your POWERFACTOR amplifier generates decidedly high power so install it in locations which ensure correct air circulation Avoid long exposure to direct sunlight sources of strong heat powerful vibrations very dusty or particularly damp surroundings or even worse rain this will avoid possible faulty operation deterioration or even electric shocks and fires...

Page 8: ...es lastly and one by one Protection and maintenance The amplifier is built in shock resistant material Nevertheless protect it during transport with a flight case to avoid the risk of any casual accidents After long periods of use particularly in dusty surroundings accumulated dust may interfere with the unit s cooling Without opening the amplifier and making certain it s disconnected from the mai...

Page 9: ... completely attenuated and therefore not sent to the channel of the amplifier and 0 fully open i e nominal level the signal is not attenuated in any way so is fed to the amplifier channel at the same level at which it arrives on input NB between 30dB and 0dB the attenuators intervene with a logarithmic scale METERs Output level LED indicators Allow to monitor the level of the respective channels o...

Page 10: ...IGNAL LEDs Indicators of signals on input If lit indicate that the relative inputs of the amplifier channels are receiving an audio signal TEMP LED Thermal protection indicator The LED s status indicates 3 possible conditions LED off protection disabled normal running conditions LED flashing protection enabled 60 C reached the thermal control device gradually reduces output gain LED lit steadily p...

Page 11: ...nnector b the signal can be forwarded to the input of another amplifier using the free connector OUTPUTS Neutrik SPEAKON connectors minimum impedance 2 Ω Ω Ω Ω Ω The outputs to be connected to the loudspeaker enclosures To avoid possible damage to the loudspeaker enclosures only connect enclosures or speaker systems compatible with the power load and impedance limits indicated for the amplifier re...

Page 12: ...10 Connection examples Connection examples ...

Page 13: ...11 Connection examples ...

Page 14: ...12 Connection examples ...

Page 15: ...cables SPEAKON power connector The 4 way SPEAKON connector of the POWERFACTOR s power outputs has the PIN 1 2 and 1 2 linked together This allows the power to be carried along 4 wires instead of 2 thus reducing the dissipation of energy especially in case of very long distances 3 different cables can be used with this kind of connection as shown below 2 wire cable it s a standard cable which can b...

Page 16: ...14 Connection cables Unbalanced XLR F connector Unbalanced XLR M connector Balanced XLR F connector Balanced XLR M connector Signal cables ...

Page 17: ...NERAL SPECIFICATIONS POWERFACTOR 3 POWERFACTOR 5 PROTECTIONS AMPLIFIER LOUDSPEAKERS CONTROLS INDICATORS CONNECTORS INPUT OUTPUT POWER SUPPLY DIMENSIONS WEIGHT 9 5 kg 9 5 kg 483x44x450 mm WxHxD 0 02 from 0 1W to full power typical 0 01 ON OFF switch Input level control for each channel SIGNAL LEVEL 2 x 10 LED bar PROTECT 2 red LEDs HI FREQ 2 yellow LEDs SIGNAL 2 green LEDs ON READY 1 green LED TEMP...

Page 18: ... 0 01 10 0 02 0 05 0 1 0 2 0 5 1 2 5 2 1k 5 10 20 50 100 200 500 W POWERFACTOR 3 Intermodulation SMPTE Vs Power 0 01 10 0 02 0 05 0 1 0 2 0 5 1 2 5 2 1k 5 10 20 50 100 200 500 W POWERFACTOR 3 Intermodulation DIM 100 Vs Power Diagrams ...

Page 19: ... 2 5 2 1k 5 10 20 50 100 200 500 W POWERFACTOR 3 THD Vs Power 4 Ohm 0 01 10 0 02 0 05 0 1 0 2 0 5 1 2 5 20 10k 20k 50 100 200 500 1k 2k 5k Hz POWERFACTOR 3 THD Vs Freq 8 Ohm 1 3 rated output power POWERFACTOR 3 response curves Diagrams ...

Page 20: ...esponse curves 0 01 10 0 02 0 05 0 1 0 2 0 5 1 2 5 2 1k 5 10 20 50 100 200 500 W POWERFACTOR 5 Intermodulation SMPTE Vs Power POWERFACTOR 5 Intermodulation DIM 100 Vs Power W 10 0 05 0 1 0 2 0 5 1 2 5 0 01 0 02 Diagrams ...

Page 21: ...01 10 0 02 0 05 0 1 0 2 0 5 1 2 5 2 1k 5 10 20 50 100 200 500 W POWERFACTOR 5 THD Vs Power 4 Ohm 2k 0 01 10 0 02 0 05 0 1 0 2 0 5 1 2 5 20 10k 20k 50 100 200 500 1k 2k 5k Hz POWERFACTOR 5 THD Vs Freq 8 Ohm 1 3 rated output power Diagrams ...

Page 22: ...20 Block diagram Diagrams ...

Page 23: ...om GENERALMUSIC S p A GENERALMUSIC reserves the right to make any aesthetic functional or design modification to any of its products without any prior notice GENERALMUSIC assumes no responsibility for the use or application of the products or circuits described herein PRINTED IN ITALY FEDERAL COMMUNICATIONS COMMISSION NOTE This equipment has been tested and found to comply with the limits for a Cl...

Page 24: ...Sales Division 47842 S Giovanni in Marignano RN Via delle Rose 12 tel 39 0541 959511 fax 39 0541 957404 Internet http www lemaudio com ...

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