**สินค้าตกรุ่นครับ**
LAB GRUPPEN PLM 20000Q PoweredLoudspeakerManagement systemseamlessly integrates an extraordinarily powerful four-channel amplifier
▸ >5000 W per channel @ 2.2 – 3.3 ohms
▸ 4400 W per channel @ 4 ohms
▸ 2U chassis weighing only 17 kg (37 lbs)
▸ Class TD® output stage
▸ Universal (100 – 240 V) Regulated Switch Mode Power Supply
(R.SMPS™) works anywhere in the world
▸ Power factor correction (PFC) helps maintain full output during
extended power bursts
▸ Copper-finned Intercooler® with transverse-mounted output
devices
▸ Comprehensive loudspeaker preset database
▸ LoadSmart™ load verification and SpeakerSafe™ continuous loudspeaker performance monitoring
▸ Dante™ low-latency digital network included as standard
Specifications PLM 20000Q
General
Number of input channels 2
Number of output channels 4
Peak total output all channels driven 20000 W
Max. Peak output voltage per channel 194 V
Max. output current per channel 67 A peak
Max. Output Power 2 ohms 4 ohms 8 ohms 16 ohms
All channels driven 4800 W 4400 W 2300 W 1150 W
Channels 1 and 2, while channels 3 and 4 are driven at -3 dB 1) 5000 W 4500 W 2300 W 1150 W
All channels driven into optimal impedance interval > 5000 W into 2.2 – 3.3 ohms
Audio Performance
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 with digital inputs (for all supported sample rates) > 116 dB
Dynamic range with analog inputs > 114 dB
Frequency response (1 W into 8 ohms, 20 Hz - 20 kHz) + /-0.05 dB
Input Common Mode Rejection (CMR) 20 Hz to 1 khz > 78 dB
Internal sample rate 96 k
Internal data path 32 bit floating point
Product propagation delay, best case (96 kHz AES) 1.61 ms
Product propagation delay, analog input 1.68 ms
Sample Rate Converters
THD + Noise 0.00003 %, 20 Hz - 20 kHz, unweighted
Analog to Digital inputs
THD + Noise 0.00022 %, typical at 1 kHz unweighted at +26 dBu headroom setting
0.00033 %, typical at 20 Hz and 20 kHz unweighted at +26 dBu headroom setting
AES / EBU inputs
Supported resolutions ≤ 24 bit
Supported sample rates 44.1, 48, 88.2, 96, 176.4, 192 kHz
Dante Audio Network
Supports redundant paths Yes
Flexible topology Yes
Network latency 0.8, 1.3 and 4 ms
Device presets
Local memory locations for the settings of the product 100
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
LimiterMax (rms and peak limiters)
– MaxRMS (rms voltage limiter) Yes
– MaxPeak (peak voltage limiter) Yes
Gain
Amplifier gain 22 - 44 dB, step size 0.1 dB
Analog attenuator -Inf to 0 dB, step size 0.25 dB
Back panel interface
AES / EBU / I/O (input + link) 2 x 3-pin XLR
Analog, 2-channel I/O (input + link) 4 x 3-pin XLR, electronically balanced
Output connectors Neutrik speakON (1 x NLT8, 2 x NLT4) or 4 Binding Posts (pairs) (must be specified upon order)
Auto 10/100, Auto Uplink 2 x RJ45 etherCON
Control and monitoring interface Via Ethernet for Lake Controller software, as well as third party programs
Detachable mains cord Neutrik powerCON 32 A
Cooling Three fans, front-to-rear airflow, temperature controlled speed
Front-panel user interface:
Display, daylight readable LCD 2.5 inch
Fault/Warning/Limit/Clip indicators RGB LEDs
Mute and soft function buttons 8 provided
Standby Power button On/Off
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
Power
Operating voltage Universal power supply 70 - 265 V (45 - 66 Hz)
Soft start / Inrush Current Draw Yes / max. 8 A
Mains Power Average Limiter (PAL) Yes! SW controlled
Dimensions (W/H/D) W: 483 mm (19”), H: 88 mm (2 U), Overall D: 460 mm (18.1”) from rack rails to the rear of the rack support 2)
Weight 17 kg (37 lbs)
Finish Black painted steel chassis with black painted steel / aluminum front
Approvals CE, ANSI/UL 60065 (ETL), CSA C22.2 NO. 60065, FCC
