Adcom GFA-555 II specifications

Category : Power amplifiers

Brand : Adcom

General

Tech nical specifications:

Other models of the same series:

• Product Type: High End High-performance Power Amplifier
• Number of Channels: 2
• Brand: Adcom
• Audio Inputs: Stereo L/R RCA
• Model : GFA-555 II
• RMS power: 400 W  

• Inputs
  • 100k O.
  • Two gold-plated, Teflon-insulated brass RCA jacks
• Gain
  • 27 dB.
• Input Sensitivity
  • 1.75V for 200 W into 8 O.
  • 130 mV for 1 W into 8 O.
• Rated Power Output
  • 200 watts per channel into 8 O from 20 - 20,000 Hz at less than 0.04% THD, both channels are driven.
  • 325 watts per channel into 4 O from 20 - 20,000 Hz at less than 0.04% THD, both channels driven
  • 600 watts into 8 O from 20 - 20,000 Hz at less than 0.04% THD, bridged mono
  • 850 watts into 4 O from 20 - 20,000 Hz at less than 0.09% THD, bridged mono
• Dynamic Headroom
  • 2.5 dB at 4 O.
• Power Bandwidth
  • 1.7 - 100,000 Hz at - 3 dB.
• Frequency Response
  • 10 - 20,000 Hz +0, -0.25 dB at 1 W RMS into 8 O.
• Damping Factor
  • Not less than 800 from 20 - 20,000 Hz into 8 O.
• Noise
  • Not less than -110dB down from 200 watts into 8 O, A-weighted.
• Power Input
  • 220 VAC 50-60 Hz.
  • 72 VA idle.
  • 1,500 VA maximum.
  • 675 VA at 200 W into 8 O.
  • I measure 37.5 watts at idle, cold.
  • 60 watts at idle, warm (0.73A).
  • 92 Watts (1.09A) when delivering 1 watt per channel into 8 O.
  • 845 watts when delivering 265 watts per channel into 8 O.
• Dimensions
  • 185 x 432 x 310 mm
Weight
• 16 kg

• 100k O.
• Two gold-plated, Teflon-insulated brass RCA jacks

• 27 dB.

• 1.75V for 200 W into 8 O.
• 130 mV for 1 W into 8 O.

• 200 watts per channel into 8 O from 20 - 20,000 Hz at less than 0.04% THD, both channels driven.
• 325 watts per channel into 4 O from 20 - 20,000 Hz at less than 0.04% THD, both channels driven
• 600 watts into 8 O from 20 - 20,000 Hz at less than 0.04% THD, bridged mono
• 850 watts into 4 O from 20 - 20,000 Hz at less than 0.09% THD, bridged mono

• 2.5 dB at 4 O.

• 1.7 - 100,000 Hz at - 3 dB.

• 10 - 20,000 Hz +0, -0.25 dB at 1 W RMS into 8 O.

• Not less than 800 from 20 - 20,000 Hz into 8 O.

• Not less than -110dB down from 200 watts into 8 O, A- weighted.

• 220 VAC 50-60 Hz.
• 72 VA idle.
• 1,500 VA maximum.
• 675 VA at 200 W into 8 O.
• I measure 37.5 watts at idle, cold.
• 60 watts at idle, warm (0.73A).
• 92 Watts (1.09A) when delivering 1 watt per channel into 8 O.
• 845 watts when delivering 265 watts per channel into 8 O.

• 185 x 432 x 310 mm

• 16 kg

Comment:

Comment box:

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