C Series 16:4

C Series 16:4

Tech Spec

ModelC Series 16:4
General
Number of amplifier channels4
Peak total output all channels driven1600 W
Peak output voltage per channel141 V
Max output current per channel8.5 Arms
Max output power (all channels driven)
16 ohms400 W
8 ohms400 W
4 ohms300 W
2 ohms140 W
Hi-Z per ch. (all ch.’s driven): 70 Vrms / 100 V peak400 W
Hi-Z per ch. (all ch.’s driven): 100 Vrms / 141 V peak400 W
Max output power bridged
16 ohms800 W
8 ohms600 W
4 ohmsNot recommended 1
2 ohmsNot recommended 1
Bridged per ch.: 140 Vrms / 200 V peak800 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 dB6.8 Hz - 34 kHz
Input impedance20 kOhm
Common Mode Rejection (CMR)>50 dB, 20 Hz - 20 kHz
Output impedance @ 100 Hz30 mOhm
Gain, Sensitivity and Limiters
VPL, selectable per ch 2141, 118, 100, 85, 71, 59, 50, 42 V
VPL, when bridged 2 3282, 236, 200, 170, 142, 118, 100, 84 V
Voltage Peak Limiter mode (per ch.)Hard / Soft
Amplifier gain selectable (all channels) – rear-panel switches 323, 26, 29, 32, 35, 38, 41, 44 dB
Default gain35 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 modeA+B and/or C+D, inputs A and C are input source
NomadLink networkOn board, 2 x RJ45 connectors IN and OUT
Intelligent fans (on/off)Yes, depending on presence of output signal
PowerIndividual switches on front panel
CoolingTwo fans, front-rear airflow, temperature controlled speed
Front-panel user interface
CommonNomadLink Network; Power Average Limiter (PAL)5; Power on
Per channelSignal 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 nominal130-265 V / 65 -135 V 4
Minimum power-up voltage, 230 V / 115 V171 V / 85 V
Power Average Limiter (PAL) 5Yes
Power Factor Correction (PFC)No
Soft-start / Inrush Current DrawYes / max. 5 A
Mains connector230 V CE: 16 A, CEE7; 115 V ETL: 15 A / NEMA 5-15P
Dimensions
DimensionsW: 483 mm (19”), H: 88 mm (2 U), D: 343 mm (13.5”)
Weight
Weight12 kg (26.4 lbs)
Finish
FinishBlack painted steel chassis with gray painted steel front
Approvals
ApprovalsCE, 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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