Der PLM 20K44 kombiniert eine 4-in, 4-out-Konfiguration mit branchenüblichem Dante-Netzwerk und setzt Maßstäbe für Powered Loudspeaker Management Systeme.
PLM 20K44
Technische Daten
| Model | PLM 20K44 |
| 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 channel1 | |
| 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 |
| 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 |
| Audio Performance (Amplifier platform with digital input) | |
| THD + N 20 Hz – 20 kHz for 1 W | < 0.05 % |
| THD + N at 1 kHz and 1 dB below clipping | < 0.04 % |
| Dynamic range | > 114 dB |
| Channel separation (Crosstalk) at 1 kHz | > 70 dB |
| 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 |
| Measurement & Analysis | |
| Pilot tone generation and analysis | Yes |
| Load impedance analysis | Yes |
| Real Time Analyzer (RTA), 3rd party integration | Yes |
| 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 |
| Device presets | |
| Local memory locations for the settings of the product | 100 |
| AES Inputs | |
| Inputs | 4 AES inputs |
| 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 | 0.00003 % |
| 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) | 0.00022 % |
| THD+N (typical at 20 Hz and 20 kHz unweighted) | 0.00033 % |
| Limiters | |
| Adjustable Inter-Sample Voltage Peak Limiter (ISVPL) | 17.8 – 194 V, step size 0.1 V |
| Current Peak Limiter < 300 ms | 67 A peak |
| Current Average Limiter (CAL) > 300 ms | 33 Arms |
| MaxRMS (rms voltage limiter) | Yes |
| MaxPeak (peak voltage limiter) | Yes |
| Gain | |
| Amplifier gain | 22 – 44 dB, step size 0.1 dB |
| Output attenuator | -Inf to 0 dB, step size 0.25 dB |
| Back panel Interface | |
| Analog, 2-channel I/O (input + link) | 4 x 3-pin XLR, electronically balanced |
| AES / EBU / I/O (input + link) | 2 x 3-pin XLR |
| Output connectors | Neutrik speakON (1 x NLT8, 2 x NLT4) or 4 Binding Posts (pairs) |
| Auto 10/100, Auto Uplink | 2 x RJ45 etherCON |
| Control and monitoring interface | Via Ethernet for Lake Controller software, or DLM (the 3rd party protocol) |
| Detachable mains cord | Neutrik PowerCon rated at 250V/32A |
| Cooling | Three fans, front-rear airflow, temperature controlled speed |
| Front-panel user interface | |
| Display | 2.5 inch, black / white, daylight readable LCD |
| Fault/Warning/Limit/Clip indicators | RGB LEDs and detailed fault description on display |
| Mute and soft function buttons | 8 provided |
| Standby Power button | On/Standby |
| Mute Enable button | Enables muting of outputs and inputs via soft-button keypad |
| Meter button | Toggles through meter views |
| Menu button | Provides a menu driven interface for full function front panel control |
| Rotary Encoder | Yes |
| Exit Button | Provides a “back” function |
| Mains Power | |
| Nominal voltage | 100 – 240 Volt AC 45 – 66 Hz |
| Operating voltage | 70-265 V AC |
| Mains wall plug | NEMA L5-30 “Twist lock” 125 V / 30 A, and CEE 7/7 “Schuko” 230 V / 16 A |
| Power supply features | |
| Soft start / Inrush power | Yes/ Max 8 Ampere |
| Power Factor Correction (PFC) | 0.98 |
| 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: 498 mm (19.6″) |
| Weight | |
| Weight | 17 kg (37 lbs) |
| Finish | |
| Finish | Black painted steel chassis with black painted steel / aluminum front |
| Approvals | |
| Approvals | CE, ANSI / UL 60065 (ETL), CSA C22.2 NO. 60065, FCC, PSE, RCM, BIS India |
Notes
- 1. Lab.gruppen burst power (1 kHz, 25 ms burst power @ 150 BPM, 12 dB Crest factor)
