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5. Operation and Performance

C Series C 88:4, C 68:4, C 48:4, C 28:4 and C 16:4 Operation Manual rev 2.2.3

Sensing circuits also transmit local amplifier module temperature and power supply temperature to the ap-
propriate protection mechanisms. Read the Protection, Faults and Warnings section for further details.

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Содержание C 88:4

Страница 1: ...Rev 2 2 3 Item no OM CS Operation Manual C Series Dedicated Installation Amplifiers C 88 4 C 68 4 C 48 4 C 28 4 C 16 4 Operation Manual...

Страница 2: ...C Series C 88 4 C 68 4 C 48 4 C 28 4 and C 16 4 Operation Manual rev 2 2 3...

Страница 3: ...his equipment to dripping or splashing and ensure that no objects filled with liquids such as vases are placed on the equipment 18 Do not connect the unit s output to any other voltage source such as...

Страница 4: ...ilisateur Confier l entretien personnel qualifi 1 6 FCC Compliance Notice Radio Interference A sample of this product has been tested and complies with the limits for the European Electro Magnetic Com...

Страница 5: ...s 1 7 3 Speaker damage Your amplifier is very powerful and can be potentially dangerous to both loudspeakers and humans alike Many loudspeakers can be easily damaged or destroyed by overpowering them...

Страница 6: ...eatures 2 2 2 1 Class TD amplifier and Regulated Switch Mode Power Supply R SMPS 2 2 2 2 Amplifier gain 2 2 2 3 Voltage Peak Limiter VPL 2 2 2 4 Protection and performance optimization 2 2 2 5 NomadLi...

Страница 7: ...5 3 Very High Frequency protection 19 5 5 4 DC protection 20 5 5 5 High impedance warning open load 20 5 5 6 Low impedance protection short circuit 20 5 5 7 Temperature protection 21 5 5 8 Power Aver...

Страница 8: ...uration Lab gruppen C Series power amplifiers are designed and built specifically for the unique demands of perma nent installation applications C Series amplifiers offer the optimum combination of hi...

Страница 9: ...maintain maximum power output while avoiding a poor signal to noise ratio This gain adjustment feature makes it easier to achieve an optimal balance between headroom and noise floor 2 2 3 Voltage Peak...

Страница 10: ...software to detect devices that are not currently turned on or connected to the mains This ensures very high reliability and redundancy levels while allowing connected amplifiers to remain on standby...

Страница 11: ...Save the carton and packing materials for the carrier s inspection Should you ever need to ship the amplifier always use the original packaging materials 3 2 Mounting The amplifier is two rack units h...

Страница 12: ...the exhaust to escape If the amplifier is rack mounted do not use covers or doors on the front or rear of the rack Should a heat sink overheat the temperature sensing circuits will mute the overheati...

Страница 13: ...ry it can be removed and the proper connector wired in its place as follows BLACK or BROWN LIVE WHITE or BLUE NEUTRAL GREEN or GREEN YELLOW EARTH GROUND If you are not 100 confident of your competence...

Страница 14: ...nt cover may be made tamper resistant by replacing the thumbscrew with a Philips head or safety Torx screw Thread size is M3 4 1 1 Power on off and remote switch The Power on off switch is located on...

Страница 15: ...nal level Green 10 dB signal level Green 40 dB signal level Green Hi Imp open load detected Red Bridge mode operation on Yellow Ch A B or C D bridged PAL Power on Green PAL Power Average Limiter activ...

Страница 16: ...23 dB to 44 dB in 3 dB steps Option active Available for future upgrades Fan Masked When on engages the intelligent fan feature which lowers fan speed when no signal is present Bridged Mode Switches t...

Страница 17: ...details please refer to instructions supplied with the NLB 60E unit The NomadLink connections use standard straight Cat 5 RJ45 equipped cables For a safer mechanical connection it is possible to use N...

Страница 18: ...N OUT NOMADLINK IN OUT NOMADLINK NOMADLINK IN OUT ETHERNET GENERAL PURPOSE INPUT GPI ETHERNET Crossed RJ45 Ethernet cable between NLB 60E and PC If bridge is connected to switch of HUB use straight ca...

Страница 19: ...s almost impossible to clip Overall amplifier input gain is adjusted using the input stage DIP switches Please note that the gain setting is global affecting all four channels Following the input stag...

Страница 20: ...48 4 C 28 4 and C 16 4 Operation Manual rev 2 2 3 Sensing circuits also transmit local amplifier module temperature and power supply temperature to the ap propriate protection mechanisms Read the Pro...

Страница 21: ...les to the far right Complete input sensitivity tables for all VPL and Gain settings for as applicable to C Series models can be found at www labgruppen com The headroom available through the input st...

Страница 22: ...that there is a limit to the number of channels an output source can drive A typical output source e g a DSP crossover unit can drive up to 4 amplifier channels before line drivers would be required t...

Страница 23: ...iometers on the front panel The unique adjustable input gain feature of the C Series makes it easier to attain the optimum balance between headroom and signal to noise ratio in the signal path A weak...

Страница 24: ...e correct setting depends on the system type low or high impedance and the specific load connected to the channel Since each channel can be configured to deliver either very high voltage peak power OR...

Страница 25: ...the DeviceControl software s GUI A steadily illuminated orange CPL LED indicates a short circuit situation or very low impedance The output will mute for 6 seconds before measuring the output impedan...

Страница 26: ...ency VHF content in the input signals The detection begins at approximately 10 kHz and moves upwards to include ultrasonic signals If VHF signals are detected the output will mute for 6 seconds before...

Страница 27: ...t at the output indicates a hardware malfunction that requires servicing of the amplifier 5 5 5 High impedance warning open load A high impedance open load condition is indicated when an input signal...

Страница 28: ...intervals The output will un mute when the channel or power supply returns to a safe operating temperature 5 5 8 Power Average Limiter PAL The Power Average Limiter PAL controls the current drawing re...

Страница 29: ...high impedance such as a sub bass enclosure with high impedance at a certain frequency When the 10 dB signal LED is on AND the Hi Imp LED turns red then the amplifier has detected an open load no spe...

Страница 30: ...by a flashing LED If the amplifier goes into thermal protect output muted the LED illuminates constant yellow VHF Very High Frequency protection yellow indicates that potentially harmful continuous h...

Страница 31: ...nd so on If a closed loop network is desired for improved redundancy highly recommended the last amplifier s OUT port must be connected to the NLB 60E s IN port For all connections straight Cat 5 RJ45...

Страница 32: ...daisy chained subnet the total maximum cable length is 400 meters 1300 feet Rule 3 In a closed loop subnet the total maximum cable length is 700 meters 2300 feet 5 7 4 Ethernet network cable lengths...

Страница 33: ...or more detailed information 5 7 6 Third Party Control and Monitoring Capabilities The NLB 60E NomadLink Bridge Network Controller can be integrated with third party control systems via its Ethernet c...

Страница 34: ...on Q What are the maximum cable lengths allowed when using the NomadLink network A NomadLink uses a daisy chain topology to connect amplifiers and an NLB 60E in a network Standard RJ45 equipped Cat 5...

Страница 35: ...100 V Ch 2000 x 4 26 2 13 1 1838 1000 838 2860 721 200 V Bridged N R Pink noise max power 3 8 Ch 1250 x 4 30 0 16 0 2006 2140 1145 1221 860 918 2935 3133 739 789 16 Bridged 2500 x 2 4 Ch 2100 x 4 30...

Страница 36: ...957 2087 1023 1091 934 996 3188 3399 803 856 4 Bridged 2400 x 2 100 V Ch 1600 x 4 30 0 16 0 2208 2355 1356 1446 852 909 2908 3102 733 782 200 V Bridged 3200 x 2 Mains connector 230 V CE version 16 A C...

Страница 37: ...tor 230 V CE version 16 A CEE7 Mains connector 115 V ETL version 20 A 5 20P 1 The amplifier s PSU operates as a non resistive load so the calculation Volts x Amps Watts would not be correct Instead me...

Страница 38: ...543 1853 467 8 Bridged 600 x 2 100 V Ch 700 x 4 21 4 10 7 1458 933 525 1790 451 200 V Bridged 1400 x 2 Mains connector 230 V CE version 16 A CEE7 Mains connector 115 V ETL version 20 A 5 20P 1 The amp...

Страница 39: ...he amplifier s PSU operates as a non resistive load so the calculation Volts x Amps Watts would not be correct Instead measured and specified here is what is known as the Active Power in the amplifier...

Страница 40: ...subject to change without notice C 88 4 C 68 4 C 48 4 C 28 4 C 16 4 C 20 8X C 10 8X C 10 4X C 5 4X 4 4 4 4 4 8 8 4 4 8800 W 6800 W 4800 W 2800 W 1600 W 2000 W 1000 W 1000 W 500 W 141 V 141 V 141 V 14...

Страница 41: ...ections or accessories operation with faulty as sociated equipment or exposure to inclement weather conditions Damage due to normal wear and tear is not covered by the warranty Units on which the seri...

Страница 42: ...duct requires factory service you may contact Lab gruppen s service department for return instructions and a Return Authorization number Please note for product return 1 Use the original packing 2 Inc...

Страница 43: ...C Series C 88 4 C 68 4 C 48 4 C 28 4 and C 16 4 Operation Manual rev 2 2 3...

Страница 44: ...L ab gr u pp e n A B S w e d e n int e rnationa L contact info L abgr u pp e n com U S C O N T A C T info tc G A M E R I C A S com w w w l a b g r u p p e n c o m Operation Manual...

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