1670 Power amplifier, 400W – Phontech

1670 Power amplifier, 400W

1670 Power amplifier, 400W

1670 Power amplifier, high performance & efficiency, 400W

Type number: P-1670
Article number: 4000016599


The 1670 is a high performance, high efficiency 400W power amplifier designed to meet the needs of the most demanding PA/GA applications. The amplifier is designed to operate from a 48VDC power supply.


  • 19” 1U rack mounting
  • Low weight
  • Low power consumption
  • Two balanced line level inputs, normal and priority
  • 400W / 100V line output
  • Hot pluggable for fast and easy field replacement
  • Protection internal cooling fan with temperature sensor
  • Current limiter with auto protect and auto reset controls (front panel power switch, recessed front panel)
  • Monitoring amplifier operation and line condition (optional Line Surveillance
Electrical Specifications
Power supply 48VDC nominal (40-64V)
Power consumption 480W (max), 5W quiescent
Heat dissipation 100W
Power output 400W continuous RMS
Frequency Response 200Hz-15kHz (ffl 3dB) into 100V
THD <0.5% at 1kHz
Distortion at max power <1%
Signal to noise ratio -90dB
Input sensitivity 0.775Vrms (0dBu)
Input impedance 22k Ω
Output 100V line
Metering/indicators amp status LED output meter, power supply LED, protection LED
Maximum load 25Ω at 100V
Environmental Specifications
Temperature -15°C to +55°C
Humidity +93% (at +40°C)
Protection IP20
Mechanical Specifications
Dimension (WxHxD) 19”, 1U rackmount (308mm depth, excl. handle)
Weight 6.5kg
Material Steel
Colour RAL 9006
Mounting Rack
Fixing 2 pcs M5 bolts
Access Front
Cable entry Rear
Manufacturer Phontech by Zenitel


FileDate addedFile size
pdf 1670-4000016599-amplifier14.01.2019 06:56141 KB