תיאור
מגבר Lab Gruppen D 200:4L כולל 4 ערוצים בהספק של 4400W לערוץ. עם אפשרות עבודה ב- 2 / 4 / 8 / 16 אוהם או שנאי קו 70V / 100V
נתונים טכניים
General
| Processing / Network | Lake / Dante |
| Number of amplifier channels | 4 |
| Total burst power all channels (share among channels with RPM) | 20000 W |
Max output power (all channels driven)1
| 2 ohms | 4400 W |
| 2.67 ohms | 5000 W |
| 4 ohms | 4400 W |
| 8 ohms | 2300 W |
| 16 ohms | 1150 W |
| Hi-Z 70 V | 3300 W |
| Hi-Z 100 V | 4700 W |
Max output power single channel (all models)1
| 2 ohms | 4400 W |
| 2.67 ohms | 5900 W |
| 4 ohms | 4600 W |
| 8 ohms | 2300 W |
| 16 ohms | 1150 W |
| Hi-Z 70 V | 3300 W |
| Hi-Z 100 V | 4700 W |
Amplifier output modules (all models, all channels)
| Peak output voltage | 194 V |
| Max. output current | 67 A |
| Rational Power Management (RPM) | Regardless of model, any channel has potential to deliver the max single channel output power (1 channel on D 80:4, 2 channels on D 120:4) |
| Default voltage limitation (can be lifted with RPM configuration) | 194 V |
| Protection features | Current Average Limiter (CAL), Very High Frequency Protection (VHF), Direct Current Protection (DC), Short Circuit Protection, Current-Clip Limiter, Voltage Clip Limiter, Temperature protection |
Amplifier platform
| Inter Sample Voltage Peak Limiter (ISVPL) | Configurable Peak voltage threshold and profile |
| THD + N at 1 kHz and 1 dB below clipping | < 0.04 % |
| Pilot tone generation and analysis | Yes |
| Load impedance analysis | Yes |
| Frequency response (1 W into 8 Ohm, 20 Hz – 20 kHz) | +/- 0.05 dB |
| Internal Sample Rate / Data path | 48 / 96 kHz / 32 bit floating point |
| Product propagation delay AES 96 kHz / analog input | 1.61 / 1.68 ms |
Lake processing
| Loudspeaker processing | Up to 4 modules of Classic/linear-phase/FIR crossover, EQ, delay, LimiterMax™ – peak and RMS limiters |
| System tuning | Group control with Raised Cosine™ MESA EG™ asymmetric filters |
| Input redundancy / Matrix | Automatic 4 level input redundancy / 4 input mixers |
| System integration | Comprehensive 3rd party protocol over UDP Ethernet |
Dante Audio Network
| Dante I/O | 8 x 8 |
| Network topology / redundancy | Flexible topology / Supports daisy-chained and Dual redundant networks |
| Sample Rates / Transport | 48, 96 kHz / Uni + Multicast |
| Network latency | 0.25, 0.5, 1.0, 2.0, 5.0 ms |
AES Inputs
| Inputs | 2 AES inputs (4 audio channels) |
| Supported sample rates / resolution | 44.1, 48, 88.2, 96, 176.4, 192 kHz / up to 24 bits |
| Sample rate conversion THD+N 20 Hz – 20 kHz unweighted | 0.0000003 |
Analog Inputs
| Inputs | 4 high quality inputs with Iso-Float ground isolation |
| Maximum input / digital reference | +26 dBu / +21 dBu |
| Sampling rate / Resolution | 96 kHz / 24 bit |
| Input impedance balanced / unbalanced | 20 / 10 kOhm |
| THD+N (typical at 1 kHz unweighted) | 0.0000022 |
| THD+N (typical at 20 Hz and 20 kHz unweighted) | 0.0000033 |
Back panel Interface
| Analog inputs | 4 x Terminal block connectors analog input with +, – and ground |
| AES inputs | 4 x Terminal block connectors analog input with +, – and ground |
| Output connectors | 4 x 2 pole Terminal block connectors rated at 1000 V / 76 A (exceeding amplifier capacity) Can take up to 16 mm2 (6 AWG) cables |
| Ethernet Ports | 2 x EtherCon RJ45 100/1000 Base-T for the Lake Controller, Dante controller and/or DLM (3rd party protocol) |
| Detachable mains cord | Neutrik PowerCon rated at 250V/32A |
Front-panel user interface
| System status indication | 3 x 3 colored LED. FRAME, TEMP, PSU for device status indication |
| Channel status indication | 3 x 3 colored LED per channel. Status indication separated for channel LOAD, AMP, SIGNAL status |
| Mute | Per channel touch button for mute control and bicolored LED for indication |
| Power | Touch button for ON/STANDBY control and bicolored LED for power state indication |
| Select | Touch button and LED for bidirectional Device -Software select functionality |
Mains Power
| Nominal voltage | 100 – 240 Volt AC 50 – 60 Hz |
| Operating voltage | 70 – 265 V AC 45 – 66 Hz |
| Mains wall plug | Selectable on order CEE 7/7 “Schuko” 230 V / 16 A NEMA L5-30 “Twistlock” 125 V / 30 A NEMA 5-15P 125 V / 15 A (D 80:4 only) NEMA 5-20P 125 V / 20 A (D 120:4 only) NEMA 6-20P 250 V / 20 A AS/NZS 3112 230 V / 15 A (Aus/Nz) BS 546 230 V / 16 A (India) C-30P 125 V / 30 A (Japan) |
Power supply features
| Soft start / Inrush power | Yes/ Max 8 Ampere |
| Power factor correction | > 0.98 for mains power > 400 W |
| Regulated switch mode power supply (R.SMPS) | Yes |
| Breaker Emulation Limiter (BEL) | Configurable current threshold and breaker profile |
| BEL max current threshold | 32 A |
| Power Average Limiter (PAL) | Yes |
| Under Voltage Limiter (UVL) | Yes |
| Mains undervoltage and overvoltage protection and mains glitch tolerance | Yes |
Dimensions
| Rack rail to rear panel | W: 483 mm (19″), H: 88 mm (2 U), D: 424 mm (16″) |
| Overall depth front-rear support | D: 463 mm |
Weight
| Weight | 16.5 kg (36 lbs) |
Finish
| Finish | Black painted steel chassis with grey painted steel front with detachable grille |
Approvals
| Approvals | CE, ETL(ANSI/UL, CSA), PSE, RCM |
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