Difference between revisions of "Yamaha B-4"
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| − | == | + | == Data == |
| − | {{ | + | {{navigation}} |
| − | ''' | + | '''General''' |
| − | * | + | * Manufacturer: [[Yamaha]] |
| − | * | + | * Model: B-4 |
| − | * | + | * Type: Power amplifier |
| − | * | + | * Years of manufacture: 1978 - 1981 |
| − | * | + | * Made in: Japan |
| − | * | + | * Color: Black |
| − | * | + | * Remote control: No |
| − | * | + | * Power consumption: 900 watts max. |
| − | * | + | * Dimensions: 435 x 145.5 x 381 mm (WxHxD) |
| − | * | + | * Weight: 21 kg |
| − | * | + | * Original price approx.: 138'000 Yen (Japan, 1978), 2'100 DM |
| − | ''' | + | '''Connections''' |
| − | * | + | * Number of inputs: |
| − | ** | + | ** Line: 1 V, 25 kOhm |
| − | * | + | * Number of outputs: |
| − | ** | + | ** 1x loudspeaker |
| − | ** | + | |
| − | ** | + | |
| + | '''Technical Data''' | ||
| + | * Continuous power (at distortion factor) | ||
| + | ** 8 Ohm: 2x 120 Watt | ||
| + | ** 4 Ohm: 2x 170 Watt | ||
| + | * Dynamic power | ||
| + | ** 8 Ohm: | ||
| + | ** 4 Ohm: | ||
| + | * Total harmonic distortion: 0.005% | ||
| + | * Attenuation factor: 200 | ||
| + | * Frequency response: 10 - 100,000 Hz | ||
| + | * Ripple spacing (short-circuited): | ||
| + | * Stereo channel separation: 90 dB | ||
| + | * Signal-to-noise ratio: 118 dB | ||
| − | + | * Further data at "Hifi Engine": [https://www.hifiengine.com/manual_library/yamaha/M-4.shtml] | |
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| − | * | + | '''Special Features''' |
| + | * Input level control | ||
| − | == | + | == Remarks == |
| − | * | + | * Other models in the same series: |
* [[Yamaha B-2]] | * [[Yamaha B-2]] | ||
* [[Yamaha B-2x]] | * [[Yamaha B-2x]] | ||
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| − | == | + | == Pictures == |
| − | * | + | * Image: Yamaha B-4 |
| − | + | http://amp8.com/tr-amp/yamaha/jpeg/b4-2-1w.jpg | |
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| − | == | + | == Reports == |
| + | * The B-4 is the Japan version of the M-4 | ||
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Latest revision as of 07:10, 9 December 2020
Data
General
- Manufacturer: Yamaha
- Model: B-4
- Type: Power amplifier
- Years of manufacture: 1978 - 1981
- Made in: Japan
- Color: Black
- Remote control: No
- Power consumption: 900 watts max.
- Dimensions: 435 x 145.5 x 381 mm (WxHxD)
- Weight: 21 kg
- Original price approx.: 138'000 Yen (Japan, 1978), 2'100 DM
Connections
- Number of inputs:
- Line: 1 V, 25 kOhm
- Number of outputs:
- 1x loudspeaker
Technical Data
- Continuous power (at distortion factor)
- 8 Ohm: 2x 120 Watt
- 4 Ohm: 2x 170 Watt
- Dynamic power
- 8 Ohm:
- 4 Ohm:
- Total harmonic distortion: 0.005%
- Attenuation factor: 200
- Frequency response: 10 - 100,000 Hz
- Ripple spacing (short-circuited):
- Stereo channel separation: 90 dB
- Signal-to-noise ratio: 118 dB
- Further data at "Hifi Engine": [1]
Special Features
- Input level control
Remarks
- Other models in the same series:
- Yamaha B-2
- Yamaha B-2x
- Yamaha B-4
- Yamaha B-6
Pictures
- Image: Yamaha B-4
Reports
- The B-4 is the Japan version of the M-4