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LAB GRUPPEN C68:4 เพาเวอร์แอมป์ 4 แชนแนล 1200 วัตต์

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LAB GRUPPEN C68:4 เป็นแอมป์แบบ 4 แชแนล มีกำลังขับ 1200 วัตต์ ที่ 8 และ  1700 วัตต์ 4 ohms มีการระบายความร้อนอินเตอร์คูลเลอร์ Lo-Z or Hi-Z (70 V / 100 V) – Selectable per channel, normal or bridged, คลาส TD® amplifier topology, Screw terminal output connectors

 

145,800฿

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LAB GRUPPEN C68:4 เพาเวอร์แอมป์ 4 แชนแนล 1200 วัตต์

LAB GRUPPEN C68:4 เพาเวอร์แอมป์ 4 แชนแนล 1200 วัตต์

  • Unprecedented power density – Total output of 6800 W (4 ohms) in 2U
  • Four channels – All channels bridgeable for 2- or 3-channel configurations
  • Lo-Z or Hi-Z (70 V / 100 V) – Selectable per channel normal or bridged
  • Patented Class TD amplifier topology
  • Voltage Peak Limiter (VPL) – Configurable per channel to optimize each output for connected loads
  • Phoenix-type input connectors
  • Screw terminal output connectors
  • Comprehensive protection and warning – Excessive output current DC high temperature very high frequency (VHF) short circuit open load mains fuse protection and soft start
  • Efficient and uniform Intercooler® cooling
  • NomadLink® network ready

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Specifications

Model C Series 68:4
General
Number of amplifier channels 4
Peak total output all channels driven 6800 W
Peak output voltage per channel 141 V
Max output current per channel 24.5 Arms
Max output power (all channels driven)
16 ohms 650 W
8 ohms 1200 W
4 ohms 1700 W
2 ohms 1200 W
Hi-Z per ch. (all ch.’s driven): 70 Vrms / 100 V peak 1600 W
Max output power bridged
16 ohms 2400 W
8 ohms 3400 W
4 ohms 2400 W
2 ohms Not recommended 1
Bridged per ch.: 140 Vrms / 200 V peak 3200 W
Performance
THD 20 Hz – 20 kHz at 1 W <0.1%
THD at 1 kHz and 1 dB below clipping <0.05%
Signal to Noise Ratio >112 dBA
Channel separation (Crosstalk) at 1 kHz >70 dB
Frequency response (1 W into 8 ohms) 0 / -3 dB 6.8 Hz – 34 kHz
Input impedance 20 kOhm
Common Mode Rejection (CMR) >50 dB 20 Hz – 20 kHz
Output impedance @ 100 Hz 30 mOhm
Gain Sensitivity and Limiters
VPL selectable per ch 2 141 118 100 85 71 59 50 42 V
VPL when bridged 2 3 282 236 200 170 142 118 100 84 V
Voltage Peak Limiter mode (per ch.) Hard / Soft
Amplifier gain selectable (all channels) – rear-panel switches 3 23 26 29 32 35 38 41 44 dB
Default gain 35 dB
Level adjustment (per channel) Front-panel potentiometer 21 position detented from -inf to
Connectors and Buttons
Input connectors (per ch.) 3-pin Phoenix electronically balanced
Output connectors (per ch.) Barrier strip 2-pole screw terminals
Output bridge mode A B and/or C D inputs A and C are input source
NomadLink network On board 2 x RJ45 connectors IN and OUT
Intelligent fans (on/off) Yes depending on presence of output signal
Power Individual switches on front panel
Cooling Two fans front-rear airflow temperature controlled speed
Front-panel user interface
Common NomadLink Network; Power Average Limiter (PAL)5; Power on
Per channel Signal present / High-impedance; -10 dB and -4 dB output signal;Voltage Peak Limiter (VPL); Current Peak Limiter (CPL): Very High Frequency (VHF); High temperature; Fault; Mute
Power
Operating voltage 230 V / 115 V nominal 130-265 V / 65 -135 V 4
Minimum power-up voltage 230 V / 115 V 171 V / 85 V
Power Average Limiter (PAL) 5 Yes
Power Factor Correction (PFC) No
Soft-start / Inrush Current Draw Yes / max. 5 A
Mains connector 230 V CE: 16 A CEE7; 115 V ETL: 20 A / NEMA 5-20P; C16:4: 15A/NEMA 5-15P
Dimensions
Dimensions W: 483 mm (19”) H: 88 mm (2 U) D: 343 mm (13.5”)
Weight
Weight 12 kg (26.4 lbs)
Finish
Finish Black painted steel chassis with gray painted steel front
Approvals
Approvals CE ANSI/UL 60065 (ETL) CSA C22.2 NO. 60065 FCC

NOTES:

  • 1: Regarding n.r. (not recommended) notes: The amplifier will be fully operational in bridge-mode into 2 ohm and high impedance (Hi-Z) loads but due to physical constraints in the construction the max. output power will not be significantly higher than running individual channels and therefore this mode of operation is not recommended.
  • 2: For sine waves peak voltage output values translate to Vrms with the formula V/1.41 = Vrms. E.g. 100 V peak equals app. 70 Vrms. Hence outputs can be set for high-impedance loads without requiring a transformer.
  • 3: Automatic -6 dB gain compensation when bridging channels. Ch.’s A B and/or C D can be bridged individually.
  • 4: Separate 230 V or 115 V versions available. Not selectable on the amplifier.
  • 5: PAL can reduce the maximum output power to keep the power supply operating safely and/or to prevent excessive current draw tripping the mains breaker. Refer to Operation Manual.

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