Difference between revisions of "Revox A 78 MK II"
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| − | == | + | == Data == |
| − | {{ | + | {{navigation}} |
| − | ''' | + | '''General''' |
| − | * | + | * Manufacturer: Revox |
| − | * | + | * Model: A 78 MK II |
| − | * | + | * Years of manufacture: 1971-1977 |
| − | * | + | * Type: analogue |
| − | * | + | * Dimensions: 415 mm × 160 mm × 245 mm (W × H × D) |
| − | + | Weight: 8.2 kg | |
| − | ''' | + | '''Connections''' |
| − | * | + | * Number of inputs: -microphone 3 mV/100 kOhm, -pickup magnetic or dynamic 3 mV/47 kOhm, -pickup crystal or ceramic 230 mV/800 kOhm, -tape/tuner, 100 mV/100 kOhm, -reserve 100 mV/330 kOhm, -tape/monitor 250 mV/50 kOhm. |
| − | + | Number of outputs: -speakers 4 to 16 Ohm (in case of simultaneous operation of 2 loudspeaker groups, min. 8 Ohm each) , -tape for tape recorders with min. 175 mV sensitivity and min. 50 kOhm input impedance, -headphones for headphones with impedances of 5 Ohm and higher | |
| − | ''' | + | '''Technical Data''' |
| − | + | Continuous power (with distortion factor) | |
| − | ** 8 Ohm: 80 Watt (2 × 40 Watt) | + | ** 8 Ohm: 80 Watt (2 × 40 Watt) <0,1 % (1000 Hz) <0,3 % in the range 40-15.000 Hz |
| − | + | 4 ohms: 100 watts (2 × 50 watts) | |
| − | * | + | * Dynamic power |
** 8 Ohm: 140 Watt (2 × 70 Watt) | ** 8 Ohm: 140 Watt (2 × 70 Watt) | ||
** 4 Ohm: 160 Watt (2 × 80 Watt) | ** 4 Ohm: 160 Watt (2 × 80 Watt) | ||
| − | * Intermodulation: | + | * Intermodulation: <0.3% 250 Hz/8 kHz, 60 Hz/7 kHz (4:1) |
| − | * | + | * Damping 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 steps ±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 | + | * Phono equalization: according to RIAA/IEC standard (50 Hz to 15,000 Hz) ±1 dB |
| − | == | + | == Notes == |
| − | + | Other models of the same series: | |
| − | == | + | == Pictures == |
| − | [[ | + | [[File:Revox A78 MK 2.jpg]] |
| − | http://audio.mezei.fr/images/revoxA78MKII/02apres/RevoxA78MKII137.JPG | + | [[http://audio.mezei.fr/images/revoxA78MKII/02apres/RevoxA78MKII137.JPG |
http://audio.mezei.fr/images/revoxA78MKII/02apres/RevoxA78MKII133.JPG | http://audio.mezei.fr/images/revoxA78MKII/02apres/RevoxA78MKII133.JPG | ||
| − | == | + | == Reports == |
== Links == | == Links == | ||
http://audio.mezei.fr/pages/RevoxA78MKII.html | http://audio.mezei.fr/pages/RevoxA78MKII.html | ||
| − | [[ | + | [[Category:Integrated amplifier]] |
Latest revision as of 05:09, 31 October 2019
Data
General
- Manufacturer: Revox
- Model: A 78 MK II
- Years of manufacture: 1971-1977
- Type: analogue
- Dimensions: 415 mm × 160 mm × 245 mm (W × H × D)
Weight: 8.2 kg
Connections
- Number of inputs: -microphone 3 mV/100 kOhm, -pickup magnetic or dynamic 3 mV/47 kOhm, -pickup crystal or ceramic 230 mV/800 kOhm, -tape/tuner, 100 mV/100 kOhm, -reserve 100 mV/330 kOhm, -tape/monitor 250 mV/50 kOhm.
Number of outputs: -speakers 4 to 16 Ohm (in case of simultaneous operation of 2 loudspeaker groups, min. 8 Ohm each) , -tape for tape recorders with min. 175 mV sensitivity and min. 50 kOhm input impedance, -headphones for headphones with impedances of 5 Ohm and higher
Technical Data Continuous power (with distortion factor)
- 8 Ohm: 80 Watt (2 × 40 Watt) <0,1 % (1000 Hz) <0,3 % in the range 40-15.000 Hz
4 ohms: 100 watts (2 × 50 watts)
- Dynamic power
- 8 Ohm: 140 Watt (2 × 70 Watt)
- 4 Ohm: 160 Watt (2 × 80 Watt)
- Intermodulation: <0.3% 250 Hz/8 kHz, 60 Hz/7 kHz (4:1)
- Damping 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 steps ±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 RIAA/IEC standard (50 Hz to 15,000 Hz) ±1 dB
Notes
Other models of the same series:
Pictures
[[
