Aitos EV 901 specifications

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• Manufacturer: Aitos
• Model: EV 901
• Type: OTL Tube mono
• Years of manufacture: from about 1988 to now
• Manufactured in: Netherlands
• Color: Black
• Type: Analog
• Remote control: No
• Power consumption:
  < li>Idle: 130W
  • Full scale: 500W
• Dimensions (WxHxD): 50cm x 20cm x 42cm
• Weight: 19kg
• Factory price approx.: 13950€ per pair

• Idle: 130W
• Full scale: 500W

• Number of inputs: 1
  • Gold plated Chinch: 270kOhm 1.5V eff.
• Number of outputs: 2 (parallel)
  • LS-Stereo A: 4 to 12 ohms automatic adjustment
  • LS-Stereo B: 4 to 12 ohms automatic adjustment

• Chinch gold plated: 270kOhm 1.5V eff.

• LS-Stereo A: 4 to 12 Ohm automatic adjustment
• LS-Stereo B: 4 to 12 ohm automatic adjustment

• Continuous power (with total harmonic distortion)
  • 10 ohm: 160W
• Dynamic power
  • 8 Ohm :
  • 4 ohms:
• Total harmonic distortion: <0.25%
• Attenuation factor: >150
• Frequency response: 8Hz - 225kHz -3db
• Signal-to-noise ratio: >100 db
• Stereo channel separation: Depending on preamp
• 10 ohm: 160W
• 8 Ohm :
• 4 Ohm :
• Principle: OTL tube output stage
• Tube assembly
  • 6 power tubes
  • 3 double triodes
  • 1 pentode
• Transformers: 3
  • High voltage
  • Auxiliary voltage/heating
  • Switch-on electronics
• 6 Power tubes
• 3 double triodes
• 1 pentode
High voltage
• Auxiliary voltage/heating
• Power-on electronics
• Diagnostic socket (service) for checking the internal voltages
• Input connector for switching the power amplifier on and off via AITOS tube preamps
• LED indicators for remote control and misdirection of the fuses
• A built-in mains phase control.
• Three-dimensional wiring
• Delay of the anode voltage when switching on
• Built-in operating hour counter







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