Difference between revisions of "Yamaha B-70"
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| − | == | + | == Data == |
| − | {{ | + | {{navigation}} |
| − | ''' | + | '''General''' |
| − | * | + | * Manufacturer: [[Yamaha]] |
| − | * | + | * Model: B-70 |
| − | * | + | * Type: Power amplifier |
| − | * | + | * Years of manufacture: 1981 - 1984 |
| − | * | + | * Color: Black |
| − | * | + | * Remote control: No |
| − | * | + | * Power consumption: 900 W |
| − | * | + | * Dimensions: 435 x 133 x 380 mm (WxHxD) |
| − | + | * Weight: 13.7 kg | |
| − | * | + | * Original price approx.: 180'000 Yen (Japan, 1981), 2'400 DM |
| − | ''' | + | '''Connections''' |
| − | * | + | * Number of inputs: |
| − | ** Line | + | * Input (sensitivity/impedance). |
| − | * | + | ** Line 1.41V/25 KOhm |
| − | ** 2x | + | * Number of outputs: |
| + | ** 2x loudspeaker | ||
| − | ''' | + | '''Technical Data''' |
| − | * | + | * Continuous power (at distortion factor) |
** 8 Ohm: 2x 200 Watt | ** 8 Ohm: 2x 200 Watt | ||
| − | + | 4 Ohm: 2x 250 Watt (M-70 cannot be measured at 4 Ohm!) | |
| − | * | + | * Dynamic power |
** 8 Ohm: | ** 8 Ohm: | ||
** 4 Ohm: | ** 4 Ohm: | ||
| − | * | + | * Total harmonic distortion: 0.002% |
| − | * | + | * Attenuation factor: 200 |
| − | * | + | * Frequency response: 0 - 100'000 Hz |
| − | + | * Ripple spacing (shorted): | |
| − | + | * Stereo channel separation: 95 dB | |
| − | * | + | * Signal-to-noise ratio: 124 dB |
| − | * | ||
| − | * | ||
| − | ''' | + | '''Special Features''' |
| − | * | + | * Power meter, switchable and sensitivity switchable |
| − | * | + | * Channel-separated level controls for speaker pairs |
| − | == | + | == Remarks == |
| − | + | * Other models in the same series: | |
| − | * [[Yamaha B-50 | + | * [[Yamaha B-50]] |
| + | * [[Yamaha B-70]] | ||
| + | * [[Yamaha M-50]] | ||
| + | * [[Yamaha M-70]] | ||
| + | * [[Yamaha BX-1]] | ||
| − | |||
| − | == | + | == Pictures == |
| + | * Image: Yamaha B-70 | ||
| + | [[File:Yamaha B-70-1981.jpg]] | ||
| + | |||
| + | |||
| + | == Reviews == | ||
| + | * The B-70 is the Japan variant of the M-70 | ||
| − | |||
== Links == | == Links == | ||
| + | * http://audio-heritage.jp/YAMAHA/amp/b-70.html | ||
| + | |||
| + | |||
| + | [[Category:Power Amplifiers]] | ||
Latest revision as of 07:31, 9 December 2020
Data[edit]
General
- Manufacturer: Yamaha
- Model: B-70
- Type: Power amplifier
- Years of manufacture: 1981 - 1984
- Color: Black
- Remote control: No
- Power consumption: 900 W
- Dimensions: 435 x 133 x 380 mm (WxHxD)
- Weight: 13.7 kg
- Original price approx.: 180'000 Yen (Japan, 1981), 2'400 DM
Connections
- Number of inputs:
- Input (sensitivity/impedance).
- Line 1.41V/25 KOhm
- Number of outputs:
- 2x loudspeaker
Technical Data
- Continuous power (at distortion factor)
- 8 Ohm: 2x 200 Watt
4 Ohm: 2x 250 Watt (M-70 cannot be measured at 4 Ohm!)
- Dynamic power
- 8 Ohm:
- 4 Ohm:
- Total harmonic distortion: 0.002%
- Attenuation factor: 200
- Frequency response: 0 - 100'000 Hz
- Ripple spacing (shorted):
- Stereo channel separation: 95 dB
- Signal-to-noise ratio: 124 dB
Special Features
- Power meter, switchable and sensitivity switchable
- Channel-separated level controls for speaker pairs
Remarks[edit]
- Other models in the same series:
- Yamaha B-50
- Yamaha B-70
- Yamaha M-50
- Yamaha M-70
- Yamaha BX-1
Pictures[edit]
- Image: Yamaha B-70
Reviews[edit]
- The B-70 is the Japan variant of the M-70