Revox A 78 MK II specifications

Category : Integrated amplifier

Brand : Revox

General

Connections

Technical data

Other models of the same series:

http://audio.mezei.fr/pages/Revox A78MKII.html

• Manufacturer: Revox
• Model: A 78 MK II
• Years of construction: 1971-1977
• Type: analog
• Dimensions: 415 mm × 160 mm × 245 mm (W × H × D)
• Weight: 8.2 kg

• Number of inputs: - Microphone 3 mV/100 k643961b8da111c0a15d770a1109a86d4, -Magnetic or dynamic pickups 3 mV/47 k643961b8da111c0a15d770a1109a86d4, -Crystal or ceramic pickups 230 mV/800 k643961b8da111c0a15d770a1109a86d4, -Tape/tuner, 100 mV/100 k643961b8da111c0a15d770a1109a86d4, -Reserve 100 mV/330 k643961b8da111c0a15d770a1109a86d4, -Tape/monitor 250 mV/50 k643961b8da111c0a15d770a1109a86d4

• Number of outputs: -Speakers 4 to 16 643961b8da111c0a15d770a1109a86d4 (with simultaneous operation of 2 speaker groups, each min. 8 643961b8da111c0a15d770a1109a86d4) , -Tape for tape recorders with min. 175 mV sensitivity and min. 50 k643961b8da111c0a15d770a1109a86d4 input impedance, -Headphones for headphones with impedances of 5 ohms and higher

• Continuous power(with total harmonic distortion)
  • 8 643961b8da111c0a15d770a1109a86d4s: 80 watts (2 × 40 watts) <0.1 % (1000 Hz) <0.3 % in the range 40-15,000 Hz
  • 4 643961b8da111c0a15d770a1109a86d4: 100 Watts (2 × 50 watts)
• Dynamic Power
  • 8 643961b8da111c0a15d770a1109a86d4: 140 Watts (2 × 70 watts)
  • 4 643961b8da111c0a15d770a1109a86d4: 160 Watts (2 × 80 watts)
• Intermodulation: <0.3 % 250 Hz/8 kHz, 60 Hz/7 kHz (4:1)
• Attenuation factor: >20, corresponding to 26 dE1 at 8 ohms
• Frequency response: 20-20,000 Hz ±1 dB
• Power bandwidth: 10-40,000 Hz according to DIN 46500
• Crosstalk attenuation: >60 dB (1 kHz) for all RCA inputs
• Tone control: in 4 dB stages ±12 dB at 60 Hz, +12 dB at 12,000 Hz
  • Bass: 12 dB per octave, 8 dB at 60 Hz
  • Treble: 12 dB per octave, 15 dB at 12,000 Hz
• Presence filter: 3.6 dB at 2500 Hz
• Phono equalization : according to the RIAA/IEC standard (50 Hz to 15,000 Hz) ±1 dB

• 8 ohms: 80 watts (2 × 40 watts) <0.1 % (1000 Hz) <0.3 % in the range 40-15,000 Hz
• 4 ohms: 100 watts (2 × 50 watts)

• 8 ohms: 140 watts (2 × 70 watts)
• 4 ohms: 160 watts (2 × 80 watts)

• Bass: 12 dB per octave, 8 dB at 60 Hz
• Treble: 12 dB per octave, 15 dB at 12,000 Hz

Comment:

Comment box:

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