Difference between revisions of "Revox B 780"
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__NOTOC__ | __NOTOC__ | ||
− | == | + | == Data == |
− | {{ | + | {{navigation}} |
− | ''' | + | '''General''' |
− | * | + | * Manufacturer: [[Revox]] |
− | * | + | * Model: B 780 (as B739 as tuner preamplifier without power amplifier) |
− | + | Type: Receiver | |
− | * | + | * Years of manufacture: 1980 - 1984 |
− | * | + | * Manufactured in: Switzerland |
− | * | + | * Color: Silver / Grey |
− | * | + | * Remote control: yes- but only power on via "Power On Kit" from B710 Tape Deck |
− | * | + | * Power consumption: 550 W max. |
− | * | + | * Dimensions (WxHxD): 452 x 151 x 420 mm |
− | * | + | * Weight: 17 kg |
− | * | + | * Original price approx.: 3'500 DM |
− | ''' | + | '''Connections''' |
− | * | + | * Number of inputs: |
− | ** Phono MM: 3 | + | ** Phono MM: 3.0 mV, 47 kOhm, 220 pF, 160 mV max. |
− | ** Phono MC: 0 | + | ** Phono MC: 0.1 - 2 mV, 100 Ohm, 6 mV max. |
− | + | Aux: 150 mV, 50 kOhm, 8 V max. | |
** Tape Play 1, 2: 150 mV, 50 kOhm, 8 V max. | ** Tape Play 1, 2: 150 mV, 50 kOhm, 8 V max. | ||
− | + | Tape Play DIN 1, 2: 150 mV, 50 kOhm, 8 V max. | |
− | + | FM antenna: 75 Ohm, 300 Ohm | |
− | ** MW | + | ** MW antenna: 300 Ohm |
− | * | + | * Number of outputs: |
− | ** Tape Rec 1, 2: 135 mV, 47 kOhm | + | ** Tape Rec 1, 2: 135 mV, 47 kOhm. |
** Tape Rec DIN: 5,5 mV, 10 kOhm | ** Tape Rec DIN: 5,5 mV, 10 kOhm | ||
** Pre Out 1, 2: 2 V, 4 V, 1 kOhm | ** Pre Out 1, 2: 2 V, 4 V, 1 kOhm | ||
− | ** | + | ** Headphones (6.3mm jack): 4 V, 220 Ohm |
− | ** 2 | + | ** 2 speaker pairs |
− | ''' | + | '''Technical Data''' |
− | '' | + | ''Amplifier'' |
− | * | + | * Continuous power (at distortion) |
** 8 Ohm: 2x 80 W (RMS, 20 - 20'000 Hz) | ** 8 Ohm: 2x 80 W (RMS, 20 - 20'000 Hz) | ||
** 4 Ohm: 2x 110 W | ** 4 Ohm: 2x 110 W | ||
− | * | + | * Dynamic power |
− | ** 8 Ohm: | + | ** 8 Ohm: 110 W |
− | ** 4 Ohm: | + | ** 4 Ohm: 140 W |
− | * | + | * Total harmonic distortion: 0.01 % |
− | * | + | * Attenuation factor: 100 at 8 Ohm |
− | * | + | * Frequency response: |
** Phono: 20 - 20'000 Hz, ± 0,3 dB | ** Phono: 20 - 20'000 Hz, ± 0,3 dB | ||
− | ** | + | ** High level: 20 - 20'000 Hz, + 0 dB, - 0,3 dB |
− | * | + | * Signal-to-noise ratio: |
** Phono MM: 73 dB | ** Phono MM: 73 dB | ||
** Line: 90 dB | ** Line: 90 dB | ||
− | * | + | * Tone control: |
− | ** Bass: ± 8 dB | + | ** Bass: ± 8 dB at 120 Hz |
− | + | Presence: ± 8 dB at 3 kHz | |
− | + | Treble: ± 8 dB at 8 kHz | |
− | * Loudness: + 5 dB | + | * Loudness: + 5 dB at 100 Hz, + 6 dB at 10 kHz |
− | * High Filter: | + | * High Filter: - 3 dB at 8 kHz, 12 dB / octave |
− | * Low Filter (Subsonic): - 3 dB | + | * Low Filter (Subsonic): - 3 dB at 18 Hz, 12 dB / octave |
− | + | Mute: - 20 dB | |
''Tuner'' | ''Tuner'' | ||
− | * | + | * Reception: FM, MW |
− | * | + | * Frequencies: |
− | ** | + | ** FM: 87.5 - 108 MHz |
** MW: 530 - 1610 kHz | ** MW: 530 - 1610 kHz | ||
− | * | + | * Input sensitivity: |
− | ** | + | ** FM: 2.5 µV |
** MW: 25 µV | ** MW: 25 µV | ||
− | * | + | * Frequency response: 20 - 15'000 Hz, + 0,3 dB, - 0,8 dB |
− | * | + | * Distortion factor: |
− | ** Mono: 0 | + | ** Mono: 0.08 % |
− | + | Stereo: 0.1 | |
− | * | + | * Signal-to-noise ratio: |
− | ** | + | ** FM: |
*** Mono: 78 dB | *** Mono: 78 dB | ||
*** Stereo: 72 dB | *** Stereo: 72 dB | ||
** MW: 50 dB | ** MW: 50 dB | ||
− | * | + | * Channel separation: 50 dB |
− | * | + | * selectivity: 60 dB |
− | * | + | * Co-wave selection: 0.8 dB |
− | * | + | * Spurious wave selection: 110 dB |
− | * | + | * IF attenuation: 110 dB |
− | * | + | * IF attenuation: 110 dB |
− | * MW | + | * MW suppression: 72 dB |
− | * | + | * Station memory: FM, MW a total of 29 memory locations for free programming |
− | ''' | + | '''Special Features''' |
− | * | + | * Tone Linear switch |
* Tape Dubbing | * Tape Dubbing | ||
− | * | + | * Automatic station search |
− | * Mono / Stereo | + | * Mono / Stereo switchable |
− | + | == Remarks == | |
− | == | + | * Other models in the same series: |
− | * | + | * Amplifier: |
− | * | ||
* [[Revox B 750]] | * [[Revox B 750]] | ||
* [[Revox B 750 MK II]] | * [[Revox B 750 MK II]] | ||
− | * | + | * Power amplifier: |
* [[Revox A 740]] | * [[Revox A 740]] | ||
Line 117: | Line 116: | ||
− | * CD | + | * CD player: |
* [[Revox B 126]] | * [[Revox B 126]] | ||
Line 125: | Line 124: | ||
− | * | + | * Reel Tape: |
* [[Revox B 77]] | * [[Revox B 77]] | ||
− | * | + | * Record player: |
* [[Revox B 790]] | * [[Revox B 790]] | ||
* [[Revox B 795]] | * [[Revox B 795]] | ||
− | * | + | * Loudspeakers: |
* [[Revox BR 320]] | * [[Revox BR 320]] | ||
* [[Revox BR 430]] | * [[Revox BR 430]] | ||
Line 142: | Line 141: | ||
− | == | + | == Pictures == |
− | * | + | * Image: Revox B 780 |
− | [[ | + | [[File:Revox B-780-1.jpg]] |
− | * | + | * Extract from brochure: Revox B 780 |
− | [[ | + | [[File:Revox B-780-Prospekt-1984.jpg]] |
− | == | + | == Reports == |
* Audio | * Audio | ||
− | ** 07/1980: | + | ** 07/1980: verdict excerpt see Revox website/link 01/2017. |
− | ** 06/1983: | + | ** 06/1983: Comparison test with, among others, Braun R1 [[Braun Atelier Series]] |
* Stereoplay 02/1981 | * Stereoplay 02/1981 | ||
== Links == | == Links == | ||
− | * [https://www.revox.com/de/classics/siebzigerjahre/b700.html | + | * [[https://www.revox.com/de/classics/siebzigerjahre/b700.html B 700 series on Revox website]] |
− | [[ | + | [[Category:Receiver]] |
Latest revision as of 05:25, 21 August 2019
Data[edit]
General
- Manufacturer: Revox
- Model: B 780 (as B739 as tuner preamplifier without power amplifier)
Type: Receiver
- Years of manufacture: 1980 - 1984
- Manufactured in: Switzerland
- Color: Silver / Grey
- Remote control: yes- but only power on via "Power On Kit" from B710 Tape Deck
- Power consumption: 550 W max.
- Dimensions (WxHxD): 452 x 151 x 420 mm
- Weight: 17 kg
- Original price approx.: 3'500 DM
Connections
- Number of inputs:
- Phono MM: 3.0 mV, 47 kOhm, 220 pF, 160 mV max.
- Phono MC: 0.1 - 2 mV, 100 Ohm, 6 mV max.
Aux: 150 mV, 50 kOhm, 8 V max.
- Tape Play 1, 2: 150 mV, 50 kOhm, 8 V max.
Tape Play DIN 1, 2: 150 mV, 50 kOhm, 8 V max. FM antenna: 75 Ohm, 300 Ohm
- MW antenna: 300 Ohm
- Number of outputs:
- Tape Rec 1, 2: 135 mV, 47 kOhm.
- Tape Rec DIN: 5,5 mV, 10 kOhm
- Pre Out 1, 2: 2 V, 4 V, 1 kOhm
- Headphones (6.3mm jack): 4 V, 220 Ohm
- 2 speaker pairs
Technical Data
Amplifier
- Continuous power (at distortion)
- 8 Ohm: 2x 80 W (RMS, 20 - 20'000 Hz)
- 4 Ohm: 2x 110 W
- Dynamic power
- 8 Ohm: 110 W
- 4 Ohm: 140 W
- Total harmonic distortion: 0.01 %
- Attenuation factor: 100 at 8 Ohm
- Frequency response:
- Phono: 20 - 20'000 Hz, ± 0,3 dB
- High level: 20 - 20'000 Hz, + 0 dB, - 0,3 dB
- Signal-to-noise ratio:
- Phono MM: 73 dB
- Line: 90 dB
- Tone control:
- Bass: ± 8 dB at 120 Hz
Presence: ± 8 dB at 3 kHz Treble: ± 8 dB at 8 kHz
- Loudness: + 5 dB at 100 Hz, + 6 dB at 10 kHz
- High Filter: - 3 dB at 8 kHz, 12 dB / octave
- Low Filter (Subsonic): - 3 dB at 18 Hz, 12 dB / octave
Mute: - 20 dB
Tuner
- Reception: FM, MW
- Frequencies:
- FM: 87.5 - 108 MHz
- MW: 530 - 1610 kHz
- Input sensitivity:
- FM: 2.5 µV
- MW: 25 µV
- Frequency response: 20 - 15'000 Hz, + 0,3 dB, - 0,8 dB
- Distortion factor:
- Mono: 0.08 %
Stereo: 0.1
- Signal-to-noise ratio:
- FM:
- Mono: 78 dB
- Stereo: 72 dB
- MW: 50 dB
- FM:
- Channel separation: 50 dB
- selectivity: 60 dB
- Co-wave selection: 0.8 dB
- Spurious wave selection: 110 dB
- IF attenuation: 110 dB
- IF attenuation: 110 dB
- MW suppression: 72 dB
- Station memory: FM, MW a total of 29 memory locations for free programming
Special Features
- Tone Linear switch
- Tape Dubbing
- Automatic station search
- Mono / Stereo switchable
Remarks[edit]
- Other models in the same series:
- Amplifier:
- Revox B 750
- Revox B 750 MK II
- Power amplifier:
- Revox A 740
- Tuner:
- Revox B 760
- Receiver:
- Revox B 780
- Preceiver:
- Revox B 739
- CD player:
- Revox B 126
- Tape Deck:
- Revox B 710
- Reel Tape:
- Revox B 77
- Record player:
- Revox B 790
- Revox B 795
- Loudspeakers:
- Revox BR 320
- Revox BR 430
- Revox BR 530
- Revox Symbol B
- Revox Triton B
Pictures[edit]
- Image: Revox B 780
- Extract from brochure: Revox B 780
Reports[edit]
- Audio
- 07/1980: verdict excerpt see Revox website/link 01/2017.
- 06/1983: Comparison test with, among others, Braun R1 Braun Atelier Series
- Stereoplay 02/1981