Aitos EV 902 specifications

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General

Connections

Tech nical data

Special features of tube amplifiers

Special equipment

Other models of the same series: Aitos OTL power amplifier EV 803 (90 watts)

EV 903: [1] Aitos homepage: [2]

  • 1 data per monoblock
  • 2 Remarks
  • 3 pictures
  • 4 Reports
  • 5 Links
  • Manufacturer: Aitos
  • Model: EV 903
  • Type: OTL tube monos
  • Years of construction: from about 2006 (EV901) to now (EV903)
  • Manufactured in: Netherlands
  • Color: Black
  • Type: Analog
  • Remote control: Connector for switching the amplifier on and off via AITOS tube preamps
  • Power Consumption:
    • Standby: 0W
    • Idle: 130W
    • Full scale: 500W
  • Dimensions (WxHxD): 50cm x 20cm x 42cm
  • Weight: 23kg per amplifier
  • Factory price approx.: 20.000€ per pair
  • Standby: 0W
  • Idle: 130W
  • Full scale: 500W
  • Number of inputs: 1
    • Chinch gold plated: 270kOhm 1.5V eff.
  • Number of outputs: 2 (parallel)
    • LS-Stereo A: 6 to 14 ohm automatic adjustment
    • LS-Stereo B: 6 to 14 ohm automatic adjustment
  • Chinch gold plated: 270kOhm 1.5V eff.
  • LS-Stereo A: 6 to 14 Ohm automatic adjustment
  • LS-Stereo B: 6 to 14 ohm automatic adjustment
  • Continuous power (with total harmonic distortion)
    • 10 ohm: 250W
  • Dynamic power
    • 8 Ohm :
    • 4 ohms:
  • Total harmonic distortion: <0.1%
  • Attenuation factor: >160
  • Frequency response: 8Hz - 225kHz -3db
  • Signal-to-noise ratio: >100 db
  • Stereo channel separation: Depending on preamp
  • 10 Ohm : 250W
  • 8 Ohm :
  • 4 Ohm :
  • Principle: OTL tube output stage
  • Tube assembly
    • 6 power tubes
    • 3 double triodes
    • 1 pentode
    • Transformers: Two power supply transformers and a transformer for the automatic switching
      • High voltage
      • Auxiliary voltage/heating
      • Switch-on electronics: The switch-on is carried out via an automatic switching system, which - and only after the tubes have reached a certain temperature - switches on the high voltage completely noise- and click-free
    • 6 Power tubes
    • 3 double triodes
    • 1 pentode
      High voltage
    • Auxiliary voltage/heating
    • Switch-on electronics: The switch-on is carried out via an automatic switching system, which - and only after the tubes have reached a certain temperature - switches on the high voltage completely noise- and click-free
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