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Worldwide highest output power level and greatest extra headroomThree or Single* phase very wide range of AC line operation with APFCEasy interfacing to the 3X 400V** distribution without Neutral connectionReduced current draw and line cabling cost, saves lots of copperNo more linetoline balance problems, moreover the amp helps to keepthe best symmetry betweenphase conductors in 3 Phase operation modeFaulttolerant to power line anomalies, still operational with 2 phasesNetwork control over standard ETHERNET, Open Source driversOptional DSP module with 24bit/192KHz HiDefinition sample rateFull soft switching implemented with very high power conversion efficiencySupercompact size and small weight in rugged 1RU steel caseEasily readable large format display and accurate output level metering
APPLICATIONSLive Sound (Small to Large scale sound reinforcement)AuditoriumClub soundPortable Dj systemsInstallations
| Parameter | PKN 3PHASE-40K | PKN 3PHASE-20K |
| Channel number | 4 input/ 4 output | 2 input/ 2 output |
| Output Power 8 Ohms | 4 x 4000W | 2 x 4000W |
| Output Power 4 Ohms | 4 x 7500W | 2 x 7500W |
| Output Power 2.6 Ohms | 4 x 10000W | 2 x 10000W |
| Bridged Output Power 8 Ohms | 2 x 8000W | 1 x 8000W |
| Bridged Output Power 4 Ohms | 2 x 15000W | 1 x 15000W |
| Bridged Output Power 2.6 Ohms | 2 x 20000W | 1 x 20000W |
| Peak Output Voltage per Channel | 256V (181Vrms) | |
| Peak Output Current per Channel | 130A | |
| Power Supply | Dual, Two independent High Frequency Resonant Switching with active Power Factor Correction | |
| Typical Power Factor | >0.92 above 2000W | |
| AC Power input in Three Phase mode | 3x 400V (25A**) no Neutral connection needed | |
| AC Power input in Single Phase mode | 230V (63A**) | |
| Operational AC Voltage range in Three Phase mode | 3X 208V- 3X480V 45…65Hz Still operational in case of single phase loss | |
| Operational AC Voltage range in Single Phase mode | 90V- 275V** 45…65Hz 400Vac proof in single-phase mode | |
| Maximum AC line current draw in Three Phase mode | 3X 32A (Separated AC Power limiter for AB and CD Channels) | 3 x 16A |
| Maximum AC line current draw in Single Phase mode | 80A | 40A |
| Inrush current limiting | Yes, very soft turn-on | |
| Minimum Operational AC input | 65V (Single Phase mode) | |
| AC Overvoltage Proof | 1.5 KV in Three Phase mode, 0.75 KV in Single Phase mode | |
| Signal to Noise ratio (with “A-weighed” filter) | 112dB | |
| Frequency response (+/- 0,05dB) | 20Hz – 30KHz | |
| Frequency response (+/- 3dB | 5Hz – 60Khz (High Frequency filter off) | |
| Damping factor (20-100Hz, 8R****) | >12000 | |
| Damping factor (1KHz, 8R****) | >6500 | |
| THD + IMD (20Hz – 20kHz full power) | 0.15% max (typical <0.05%) | |
| Output Slew Rate | 100V/us (Input and HF filters bypassed) | |
| Crosstalk (A <-> B), (C <-> D) | >75dB | |
| Crosstalk (AB <-> CD) | >106dB | – |
| Output protections | CCM (0 Ohm STABLE), Overload, Short circuit, HF, unmatched loads, DC fault, lost connection, Programmable limiters | |
| Input sensitivity (analog inputs) | 0.775Vrms or 2Vrms (configurable from the menu) | |
| Input impedance | 10K+10K, Balanced | |
| Output connectors | 4X NEUTRIK NLT4M* | 2X NEUTRIK NLT4M* |
| Input connectors | 4X NEUTRIK XLR | 2X NEUTRIK XLR |
| Networking | Standard Ethernet | |
| Built-in DSP | Optional | |
| Size | 1RU, 455mm depth | 1RU, 285mm depth |
| Limiter | Output Voltage (1V/step), Sustained Output Power Limiter (10W/step) | |
| Latency from the analog inputs | 1 ms | |
| Weight | 13,7 Kgs | 8 Kgs |
| Operational temperature range | 0C – +45C | |
| Built-in DSP | Optional | |
| Cooling | Forced air cooling with hidden high-performance FANS , Front to rear airflow | |
| PKN AMPLIFIER TYPE
|
3 PHASE-20K | 3 PHASE-40K |
| POWER @16 ohms | 2x2000W | 4x2000W |
| POWER @8 ohms | 2x4000W | 4x4000W |
| POWER @4 ohms | 2x7500W | 4x7500W |
| POWER @2.6 ohms | 2x10000W | 4x10000W |
| POWER @2 ohms | 2x9000W* | 4x9000W* |
| Out Peak Voltage per Channel | 256 V | 256 V |
| Out Peak Current per Channel | 130A | 130A |
| Total Peak Output Power | 20000 W | 40000W |
| BRIDGE@16 Ohm | 8000W | 2 x 8000W |
| BRIDGE@8 Ohm | 15000W | 2 x 15000W |
| BRIDGE@4 Ohm | 20000w | 2 x 20000W |
| Avg.Current Draw
(Normal Music ,0dB) |
3x7A /32 A | 3 x14 A/64 A |
| Max.Current Draw(AC 230V) | 48A(12KW) | 96A(22KW) |
| Max.Current Draw(3 x400V) | 3x16A | 3x32A |
| Line Power Requirements
(45-65Hz) |
90-480VAC*** | 90-480VAC*** |
KRM amplifiers are very-high-quality power amplifiers designed to elicit maximum performance from any speaker system. Their ultralow distortion and powerful amplifiers ensure that program material will be amplified very accurately. Their superior design and build quality makes them extremely reliable against over-temperatures, radio frequency interference, shorted outputs, spike on power lines and DC faults.
They have been given a vote of confidence by high end audio users around India because of their intense reliability, high level sound and durable design. All KRM amps are geared with unmatched and complete protection and safety package for maximum performance.
KRM amplifiers have sophisticated protection circuits that guard it and the load from problems. Protection circuits guard against overload, over-temperature, shorted outputs, radio-frequency interference and dc faults. The output devices are protected against damage from reverse feeding of electrical energy (back EMF) and are switched on via relays to avoid transients which could damage speakers.
Possible to exchange amplifiers of different power ratings without upsetting delivered sound pressure levels or spectral balances. KRM amplifiers are the choice for serious, professional amplification applications which require optimum sound quality, speaker protection, and the highest level of construction quality and long-term reliability.
APPLICATIONSLive Sound (Small to Large scale sound reinforcement)AuditoriumClub soundPortable Dj systemsInstallations
| KRM 10003 | |
| Output Power | |
| 8 Ohms | 1900W/ Channel |
| 4 Ohms | 2600W/Channel |
| 2 Ohms | 3400W/Channel |
| 8 Ohms bridged | 5200W |
| 4 Ohms Bridged | 6800W |
| Frequency Gain reference 1kHz(constant gain option) | 26dB (32 dB optional) |
| Input Sensitivity for rated output power into 4 ohms,reference 1kHz | 0 dBu/0.775 V
6 dBu/1.55 V |
| Maximum Input Level | 21 dBu/9 V |
| Input Impedance (Active balance ) | 20 k ohm |
| THD 1 kHz;8 ohms load | <0.005% |
| IMD – SMPTE60 Hz,7kHZ | <0.01% |
| Signal / Noise Ratio A-Weighted | >105 dB |
| Crosstalk at rated output power, reference 1 kHz | <-70 dB |
| Damping Factor | >500 |
| Slew Rate internal | >43 V / Is |
| Rack Height | 3 U |
| Dimensions in mm (W x H x D) | 483 x133 x 464 |
| Weight | 36 kg |
High output power and high efficiencyAdvanced high frequency switching technologySmall size, low weight, ideal for touring applicationsNetworkable amplifier over standard EthernetAMPControl software and JAVA based controlAll functions can be accessible by remoteGraphics LCD for easy setup and diagnosticsTwo JOG button for fast navigatingDigital volume and input sensitivity controlBuilt-in programmable limiterOutput Peak and average Voltage, Current measuringDisplays actual load impedanceEmbedded webserver for set&view parameters by a web browserFive user profilesIntelligent protective functionsHigh frequency resonanat power supply with active PFC functionWide mains voltage operation range
XE Series professional amplifiers are designed for portable and fixed installations. Five models are available: XE2500, XE4000, XE5002, XE6000 and XE10000. All type have graphics LCD display and two JOGs for tuning system parameters. The devices have internal webserver for full remote control over standard ETHERNET. There are two possible ways to use the remote control functions: with normal internet browser (JAVA based), and with PKNC control software.
| 4 Ohms | 8 Ohms | |
| XE 2500 | 2 x 1300 W | 2 x 700 W |
| XE 4000 | 2 x 2100 W | 2 x 1300 W |
| XE 5002 | 2x 1800 W | 2 x 980W |
| XE 6000 | 2 x 3650 W | 2 x 1900 W |
| XE 10000 | 2x 5000W | 2x 2600W |
| Parameter | XE2500 | XE4000 | XE5002 | XE6000 | XE10000 New! |
| Power requirements | 160V – 270VAC, (50-60Hz) | ||||
| Max. Power Consumption | 2600W | 5500W | 5650W | 7900W | 8000W |
| Soft starting | yes | ||||
| Power Supply | High frequency resonant includes active PFC | ||||
| Mains connection | Neutrik Powercon | ||||
| Working temperature range | 0 – 40C | ||||
| Storage temperature range | -25C – 60C | ||||
| Output power @ 16 Ohms | 2 x 320W | 2 x 680W | 2 x 490W | 2 x 1000W | 2x 1300W |
| Output power @ 8 Ohms | 2 x 700W | 2 x 1300W | 2 x 980W | 2 x 1900W | 2x 2600W |
| Output power @ 4 Ohms | 2 x 1300W | 2 x 2100W | 2 x 1800W | 2 x 3650W | 2x 5000W |
| Output power @ 2,6 Ohms | 2 x 1900W | 2 x 2000W | 2 x 2600W | 2 x 3000W | 2x 3200W |
| Output power @ 2 Ohms | 2 x 1500W | 2 x 1800W | 2 x 3200W | 2 x 2200W | 2x 2900W |
| Minimum load impedance | 2 Ohms | ||||
| Frequency (+/- 3dB, 8 Ohms) | 5 Hz – 22 kHz | ||||
| Slew rate | 50V / us | 60V / us | 62V /us | ||
| Damping factor | >400 | >500 | >550 | >600 | >700 |
| End Stages | High Frequency semi soft switched PWM in balanced configuration | ||||
| Output connections | Four pole Neutrik SPEAKON (1+2+ in parallel, 1-2- in parallel | ||||
| Signal to Noise ratio A-Weighted 20Hz – 20kHz | 100 dB | 102 dB | 101dB | 107 dB | 105dB |
| Nominal sensitivity for maximum output level (balanced) | 1.4V (rms) | 1.7V (rms) | 1.5V (rms) | 1.7V (rms) | 1.9V (rms) |
| Input Impedance (Refered to ground) | 10 KOhms + 10 KOhms (+/- 1%) | ||||
| Input terminals | Neutrik XLR | ||||
| Built in Limiter | Programmable limiter ( 1V / Step ) | ||||
| Output level meter | LEDbar, status LEDs (AGR, Short, Temp, Protect, Ready) | ||||
| Display | Graphics LCD | ||||
| Control terminals | JOGS, buttons | ||||
| Volume control | Set by control JOG wheels or remote -95,5dB – 0dB (in 0,5 dB steps) | ||||
| Input sensitivity | -95,5db – 0dB (steps 0,5 dB) | ||||
| Limiter settings range | 10 – 100V | 10 – 155V | 10 – 126V | 10 – 170V | 10 – 200V |
| User profiles | 5 user profile | ||||
| Protections | Short circuit, Overload,Low impedance,Thermal, DC fault | ||||
| Cooling | Forced air cooling with regulated DC fans | ||||
| Direction of air flow | Front to rear | ||||
| Remote control | 10/100 Mbps Ethernet | ||||
| Weight | 8 Kgs | 9 Kgs | 9.1Kgs | 9,5 Kgs | 9,6Kgs |
| External dimensions | 19″ rack 483 x 440 x 44mm (1RU) | ||||
| PKN AMPLIFIER TYPE
|
XE 2500 | XE-4000 | XE-6000 |
| POWER @16 ohms | 2x320W | 2x680W | 2x1000W |
| POWER @8 ohms | 2x650W | 2x1400W | 2x1900W |
| POWER @4 ohms | 2x1250W | 2x2100W | 2x3650W |
| POWER @2.6 ohms | 2x1900W | 2x2000W | 2x3000W |
| POWER @2 ohms | 2x1500W | 2x1800W* | 2x2200W |
| Out Peak Voltage per Channel | 105V | 160 V | 185V |
| Out Peak Current per Channel | 41A | 43A | 50A |
| Total Peak Output Power | 3800 W | 4200W | 7300W |
| BRIDGE@16 Ohm | |||
| BRIDGE@8 Ohm | No Bridge | No Bridge | No Bridge |
| BRIDGE@4 Ohm | |||
| Avg.Current Draw
(Normal Music ,0dB) |
5A | 10A | 15A |
| Max.Current Draw(AC 230V) | 16A(3680W) | 25A(5750W) | 36A(8280W) |
| Max.Current Draw(3 x400V) | |||
| Line Power Requirements
(45-65Hz) |
160-270VAC | 160-270VAC | 160-270VAC |
| Parameter | PKN LC-4004U | PKN LC-10004U New! |
| Channel number | 4 input / 4 output | |
| Power requirements | 85V – 270VAC, 45 – 56 Hz or 85V – 270VDC* (400Vac proof**) | |
| Max. Power consumption | 25 A | 50A |
| Typical Mains requirement with music signal | 12A (110Vac), 6A (230Vac) “Fuse type-B” | 20A (110Vac) , 10A (230Vac) “Fuse type-B or C” |
| Min. mains operational Voltage (prior UVLO activated) | 59Vac | |
| Max. mains operational Voltage (prior OVLO activated) | 290Vac | |
| Soft starting | yes, very soft power-up sequence | |
| Power Supply | High frequency resonant includes active PFC | |
| Mains power factor | > 0.94 (above 250W) | |
| Mains connection | 25A Neutrik Powercon | 32A Neutrik Powercon |
| Working temperature range | 0C – 45C | |
| Storage temperature range | -25C – 60C | |
| Maximum Peak Output Voltage (per channel) | 105Vp | 155Vp |
| Output power @ 8 Ohms | 4 x 500W | 4 x 1200W |
| Output power @ 6 Ohms | 4x 660W | 4 x 1600W |
| Output power @ 4 Ohms | 4 x 1000W | 4 x 2100W |
| Output Power @ 2.7 Ohms | 4x 1500W | 4 x 2700W |
| Output power @ 2 Ohms | 4 x 1600W | 4 x 2600W |
| Bridged power @ 8 Ohms | 2 x 2000W | 2 x 5000W |
| Bridged power @ 4 Ohms | 2 x 3000W | 2 x 6000W |
| Minimal load impedance | 2 Ohms | |
| Frequency (+/- 3dB, 8 Ohms) | 5 Hz – 36 kHz | |
| Slew rate (Input HF filter bypassed) | 50V / us | |
| Damping factor ( 8?, range of 20Hz- 150Hz) | >2000 | >2500 |
| Output Peak Current (per channel) | 44Ap | 56Ap |
| End stages | PKN Improved fixed switching frequency Class D with true output feedback, reduced output HF carrier ripple circuitry | |
| Output connection | Four pole Neutrik Speakon (1+2+ in parallel 1-2- parallel) | |
| Effective sample rate per channel | 250KS/s | |
| Gain ( Front knobs at 0dB) | 39dB | 42dB |
| Signal to noise ratio | 104 dB | 106 dB |
| Nominal sensitivity for max. output level (balanced) | 700 mV (rms) | |
| Input impedance (referred to ground) | 10 kOhms + 10 KOhms ( +/- 1% ) | |
| Input terminals | Neutrik XLR | |
| Built in limiters | Max. output level, output current, signal no-clip, sustained high-frequency, intelligent over temperature | |
| Crossover | Selectable fixed frequency 100 Hz HI-PASS filter, 120 Hz LO-PASS filter, 160 Hz LO-PASS filter | |
| Output level meters | SIGNAL, AGR, PROTECTION, TEMP, READY LEDs | |
| Protections | Short circuit, Overload, Low impedance, thermal, DC fault, High-frequency | |
| Cooling | Forced air cooling with regulated, temperature dependent DC fans hidden in the case for reduced FAN noise level | |
| Direction of air flow | Front to rear | |
| Bridged configuration ability | yes | |
| Remote | – | |
| Weight | 9 Kgs | 11.6 Kgs |
| External dimensions | 19″ rack 483 x 460 x 44mm (1RU) | |
Mr. Saket Deshpande (Lloydlee Company)
Unit No 21, Ground Floor, Creative Industrial Estate, Off CST,Sunder Nagar, Landmark : Golden Pebbles Building, Kalina, Santacruz (East), 400 0, Mumbai, Maharashtra
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