Difference between revisions of "Yamaha A-720"
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| − | == | + | == Data == |
| − | {{ | + | {{navigation}} |
| − | ''' | + | '''General''' |
| − | * | + | * Manufacturer: [[Yamaha]] |
| − | * | + | * Model: A-720 |
| − | * | + | * Type: Integrated amplifier |
| − | * | + | * Years of manufacture: 1985 - 1986 |
| − | * | + | * Remote control: No |
| − | * | + | * Power consumption: 470 watts (EU) |
| − | * | + | * Dimensions: 435 x 147 x 399 mm (WxHxD) |
| − | * | + | * Weight: 10,2 kg |
| − | * | + | * Color: silver and black |
| − | * | + | * Original price approx.: 1'000 DM |
| − | ''' | + | '''Connections''' |
| − | * | + | * Number of inputs: |
** Phono MM/MC, Tuner, 2x Tape, Aux, CD | ** Phono MM/MC, Tuner, 2x Tape, Aux, CD | ||
| − | * | + | * Number of outputs: |
| − | ** 3x | + | ** 3x Speaker, 2x Rec-Out, Headphone |
| − | ''' | + | '''Technical Data''' |
| − | * | + | * Continuous power (at distortion factor) |
** 8 Ohm: 2x 105 Watt (0,005%) | ** 8 Ohm: 2x 105 Watt (0,005%) | ||
** 4 Ohm: 2x 150 Watt (1%) | ** 4 Ohm: 2x 150 Watt (1%) | ||
| − | * | + | * Dynamic power |
** 8 Ohm: 2x 145 Watt | ** 8 Ohm: 2x 145 Watt | ||
** 6 Ohm: 2x 180 Watt | ** 6 Ohm: 2x 180 Watt | ||
** 4 Ohm: 2x 240 Watt | ** 4 Ohm: 2x 240 Watt | ||
| − | * | + | * Total harmonic distortion: 0,005% |
| − | * | + | * Attenuation factor: 45 |
| − | * | + | * Input (sensitivity/impedance) |
** Phono MM 2.5 mV /47 kOhm | ** Phono MM 2.5 mV /47 kOhm | ||
** Phono MC 160 µV /220 Ohm | ** Phono MC 160 µV /220 Ohm | ||
** CD, Aux, Tape, Tuner 150 mV /47 kOhm | ** CD, Aux, Tape, Tuner 150 mV /47 kOhm | ||
| − | * | + | * Output (level/impedance) |
** Rec-Out 150 mV /470 Ohm | ** Rec-Out 150 mV /470 Ohm | ||
| − | * | + | * Tone control: |
| − | ** Bass: +/- 10dB (20Hz), | + | ** Bass: +/- 10dB (20Hz), peak frequency 350 Hz. |
| − | + | treble: +/- 10 dB (20Hz), peak frequency 3500 Hz | |
| − | * Loudness: | + | * Loudness: adjustable, -40 dB |
| − | * Subsonic: | + | * Subsonic: switchable, -12dB below 15Hz |
| − | * Mute: | + | * Mute: Yes, -20 dB |
| − | * Direct/Line-Straight: | + | * Direct/Line-Straight: tone control can be switched off |
| − | * | + | * Ripple (short-circuited): |
| − | * | + | * Stereo channel separation: 65 dB |
| − | * | + | * Signal-to-noise ratio: AUX/Tape/Tuner: 106 dB, Phono MM 92 dB, Phone MC 76dB |
| − | ''' | + | '''Special Features''' |
| − | * Record | + | * Record Selector |
| − | * Mono/Stereo | + | * Mono/Stereo switchable |
| − | * Auto-Class A/AB | + | * Auto-Class A/AB switchable |
| − | * | + | * Loudspeaker pairs individually controllable |
| − | == | + | == Notes == |
| − | * | + | * Other models in the same series: |
* [[Yamaha A-320]] | * [[Yamaha A-320]] | ||
* [[Yamaha A-420]] | * [[Yamaha A-420]] | ||
| Line 68: | Line 68: | ||
| − | * | + | * [[Previous model: |
* [[Yamaha A-700]] | * [[Yamaha A-700]] | ||
| − | * | + | * Successor model: |
* [[Yamaha AX-700]] | * [[Yamaha AX-700]] | ||
| − | == | + | == Pictures == |
| + | [[File:Yamaha A-720 1.JPG|1000px]] | ||
| + | |||
<gallery> | <gallery> | ||
| − | + | ||
Yamaha A-720 2.JPG | Yamaha A-720 2.JPG | ||
Yamaha A-720 3.JPG | Yamaha A-720 3.JPG | ||
</gallery> | </gallery> | ||
| − | == | + | == Reports == |
| − | * | + | * Report in "FonoForum" 3 / 1986 |
| − | * | + | * Very powerful amplifier with a beautiful appearance. Even after more than 20 years it is still a real powerhouse, but of course, like most old amplifiers, it has problems with the pots. It should be mentioned that all controls are made of aluminium. |
| Line 93: | Line 95: | ||
| − | [[ | + | [[Category:Integrated amplifier]] |
Latest revision as of 13:19, 30 May 2020
Data[edit]
General
- Manufacturer: Yamaha
- Model: A-720
- Type: Integrated amplifier
- Years of manufacture: 1985 - 1986
- Remote control: No
- Power consumption: 470 watts (EU)
- Dimensions: 435 x 147 x 399 mm (WxHxD)
- Weight: 10,2 kg
- Color: silver and black
- Original price approx.: 1'000 DM
Connections
- Number of inputs:
- Phono MM/MC, Tuner, 2x Tape, Aux, CD
- Number of outputs:
- 3x Speaker, 2x Rec-Out, Headphone
Technical Data
- Continuous power (at distortion factor)
- 8 Ohm: 2x 105 Watt (0,005%)
- 4 Ohm: 2x 150 Watt (1%)
- Dynamic power
- 8 Ohm: 2x 145 Watt
- 6 Ohm: 2x 180 Watt
- 4 Ohm: 2x 240 Watt
- Total harmonic distortion: 0,005%
- Attenuation factor: 45
- Input (sensitivity/impedance)
- Phono MM 2.5 mV /47 kOhm
- Phono MC 160 µV /220 Ohm
- CD, Aux, Tape, Tuner 150 mV /47 kOhm
- Output (level/impedance)
- Rec-Out 150 mV /470 Ohm
- Tone control:
- Bass: +/- 10dB (20Hz), peak frequency 350 Hz.
treble: +/- 10 dB (20Hz), peak frequency 3500 Hz
- Loudness: adjustable, -40 dB
- Subsonic: switchable, -12dB below 15Hz
- Mute: Yes, -20 dB
- Direct/Line-Straight: tone control can be switched off
- Ripple (short-circuited):
- Stereo channel separation: 65 dB
- Signal-to-noise ratio: AUX/Tape/Tuner: 106 dB, Phono MM 92 dB, Phone MC 76dB
Special Features
- Record Selector
- Mono/Stereo switchable
- Auto-Class A/AB switchable
- Loudspeaker pairs individually controllable
Notes[edit]
- Other models in the same series:
- Yamaha A-320
- Yamaha A-420
- Yamaha A-520
- Yamaha A-720
- Yamaha A-1020
- [[Previous model:
- Yamaha A-700
- Successor model:
- Yamaha AX-700
Pictures[edit]
Reports[edit]
- Report in "FonoForum" 3 / 1986
- Very powerful amplifier with a beautiful appearance. Even after more than 20 years it is still a real powerhouse, but of course, like most old amplifiers, it has problems with the pots. It should be mentioned that all controls are made of aluminium.