Difference between revisions of "Hitachi HA-7700"
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− | == | + | == Data == |
− | {{ | + | {{navigation}} |
− | ''' | + | '''General''' |
− | * | + | * Manufacturer: [[Hitachi]] |
− | * | + | * Model: HA 7700 |
− | * | + | * Type: Integrated amplifier |
− | * | + | * Years of manufacture: 1979 - 1981 |
− | * | + | * Made in: Japan |
− | * | + | * Color: Silver |
− | * | + | * Remote control: No |
− | + | * Power consumption: 460 watts | |
− | * | + | * Dimensions (WxHxD): 435 x 164.5 x 383 mm |
− | * | + | * Weight: 16 kg |
− | * | + | * Original price approx.: 1'198 DM |
− | ''' | + | '''Connections''' |
− | * | + | * Number of inputs: |
− | ** Tuner | + | ** Phono MM: 2.5 mV / 47 kOhm, 250 mV max. |
− | ** | + | Phono MC: 0.25 mV / 100 Ohm, 25 mV max. |
− | ** 2* | + | Tuner: 150 mV / 47 kOhm |
− | ** 2* | + | Aux: 150 mV / 47 kOhm |
− | * | + | ** Tape Play 1, 2: 150 mV / 47 kOhm |
− | ** | + | ** Tape Play DIN 1, 2: |
− | ** | + | * Number of outputs: |
+ | ** Tape Rec 1, 2: 150 mV / 47 kOhm | ||
+ | ** Tape Rec DIN 1, 2: | ||
+ | ** Headphones | ||
+ | ** 2 pairs of loudspeakers | ||
− | ''' | + | '''Technical Data''' |
− | * | + | * Continuous power (at distortion factor) |
− | ** 8 Ohm: | + | 8 Ohm: 2x 65 W at 0.02 |
+ | ** 4 Ohm: | ||
+ | * Dynamic power | ||
+ | ** 8 Ohm: | ||
** 4 Ohm: | ** 4 Ohm: | ||
− | * | + | * Total harmonic distortion: 0.02% |
− | ** | + | * Intermodulation distortion: 0.03% |
− | * | + | * Attenuation factor: 50 |
− | * | + | * Frequency Response: |
− | * | + | ** Phono RIAA: ± 0.3 dB, 20 - 20'000 Hz |
− | * | + | ** High level: 10 - 40'000 Hz |
− | * | + | * Signal-to-noise ratio: |
− | * | + | ** Phono: 80 dB |
− | * | + | ** High level: 100 dB |
− | ** Bass: | + | * Tone control: |
− | + | ** Bass: ± 8 dB at 100 Hz | |
− | * Loudness: | + | Treble: ± 8 dB at 10 KHz |
− | * High Filter: | + | * Loudness: No |
− | * Low Filter (Subsonic): | + | * High Filter: No |
− | * Mute: | + | * Low Filter (Subsonic): 15 Hz, - 6 dB / octave |
− | * Direct/Line-Straight: | + | * Mute: - 16 dB |
+ | * Direct/Line-Straight: Yes | ||
+ | |||
+ | |||
+ | '''Special Features''' | ||
+ | * MosFet transistors | ||
+ | * Double-Mono Construction | ||
+ | |||
+ | |||
+ | == Remarks == | ||
+ | * Other models in the same series: | ||
+ | * [[Hitachi HA-2700]] | ||
+ | * [[Hitachi HA-3700]] | ||
+ | * [[Hitachi HA-4700]] | ||
+ | * [[Hitachi HA-5700]] | ||
+ | * [[Hitachi HA-7700]] | ||
+ | * [[Hitachi HA-8700]] | ||
+ | |||
+ | |||
+ | == Pictures == | ||
+ | * Image: Hitachi HA-7700 | ||
+ | [[Image:Hitachiha7700.jpg|Hitachi HA 7700 HA7700]] | ||
+ | |||
+ | |||
+ | * Excerpt from brochure: Hitachi HA-7700, HA-8700 | ||
+ | [[File:Stereoplay April 1981 9 Verstärker im Vergleich 15.jpg|1000px]] | ||
+ | |||
+ | |||
+ | * Extract from brochure: Hitachi HA-7700 | ||
+ | [[File:Stereoplay April 1981 9 Verstärker im Vergleich 16.jpg|1000px]] | ||
+ | |||
+ | |||
+ | == Tests == | ||
+ | |||
+ | * Stereoplay April 1981 9 amplifiers in comparison | ||
+ | |||
+ | [[File:Stereoplay April 1981 9 Verstärker im Vergleich 15.jpg|1000px]] | ||
+ | |||
+ | [[File:Stereoplay April 1981 9 Verstärker im Vergleich 16.jpg|1000px]] | ||
+ | |||
+ | [[File:Stereoplay April 1981 9 Verstärker im Vergleich 15.jpg|1000px]] | ||
+ | |||
+ | [[File:Stereoplay April 1981 9 Verstärker im Vergleich 16.jpg|1000px]] | ||
+ | |||
+ | [[File:Stereoplay April 1981 9 Verstärker im Vergleich 15.jpg|1000px]] | ||
+ | |||
+ | [[File:Stereoplay April 1981 9 Verstärker im Vergleich 16.jpg|1000px]] | ||
+ | |||
+ | [[File:Stereoplay April 1981 9 Verstärker im Vergleich 15.jpg|1000px]] | ||
+ | |||
+ | [[File:Stereoplay April 1981 9 Verstärker im Vergleich 16.jpg|1000px]] | ||
+ | |||
+ | [[File:Stereoplay April 1981 9 Verstärker im Vergleich 15.jpg|1000px]] | ||
+ | |||
+ | [[File:Stereoplay April 1981 9 Verstärker im Vergleich 16.jpg|1000px]] | ||
+ | |||
+ | [[File:Stereoplay April 1981 9 Verstärker im Vergleich 15.jpg|1000px]] | ||
+ | |||
+ | [[File:Stereoplay April 1981 9 Verstärker im Vergleich 16.jpg|1000px]] | ||
+ | |||
+ | [[File:Stereoplay April 1981 9 Verstärker im Vergleich 15.jpg|1000px]] | ||
+ | |||
+ | [[File:Stereoplay April 1981 9 Verstärker im Vergleich 16.jpg|1000px]] | ||
+ | [[File:Stereoplay April 1981 9 Verstärker im Vergleich 15.jpg|1000px]] | ||
− | + | [[File:Stereoplay April 1981 9 Verstärker im Vergleich 16.jpg|1000px]] | |
− | |||
− | |||
+ | == Reports == | ||
+ | * [[http://www.hifi-forum.de/index.php?action=browseT&back=1&sort=lpost&forum_id=100&thread=1052 Listening test by a user of the Hifi Forum]] | ||
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== Links == | == Links == | ||
− | [[ | + | |
+ | [[Category:Integrated amplifier]] |
Latest revision as of 04:05, 30 April 2021
Data[edit]
General
- Manufacturer: Hitachi
- Model: HA 7700
- Type: Integrated amplifier
- Years of manufacture: 1979 - 1981
- Made in: Japan
- Color: Silver
- Remote control: No
- Power consumption: 460 watts
- Dimensions (WxHxD): 435 x 164.5 x 383 mm
- Weight: 16 kg
- Original price approx.: 1'198 DM
Connections
- Number of inputs:
- Phono MM: 2.5 mV / 47 kOhm, 250 mV max.
Phono MC: 0.25 mV / 100 Ohm, 25 mV max. Tuner: 150 mV / 47 kOhm Aux: 150 mV / 47 kOhm
- Tape Play 1, 2: 150 mV / 47 kOhm
- Tape Play DIN 1, 2:
- Number of outputs:
- Tape Rec 1, 2: 150 mV / 47 kOhm
- Tape Rec DIN 1, 2:
- Headphones
- 2 pairs of loudspeakers
Technical Data
- Continuous power (at distortion factor)
8 Ohm: 2x 65 W at 0.02
- 4 Ohm:
- Dynamic power
- 8 Ohm:
- 4 Ohm:
- Total harmonic distortion: 0.02%
- Intermodulation distortion: 0.03%
- Attenuation factor: 50
- Frequency Response:
- Phono RIAA: ± 0.3 dB, 20 - 20'000 Hz
- High level: 10 - 40'000 Hz
- Signal-to-noise ratio:
- Phono: 80 dB
- High level: 100 dB
- Tone control:
- Bass: ± 8 dB at 100 Hz
Treble: ± 8 dB at 10 KHz
- Loudness: No
- High Filter: No
- Low Filter (Subsonic): 15 Hz, - 6 dB / octave
- Mute: - 16 dB
- Direct/Line-Straight: Yes
Special Features
- MosFet transistors
- Double-Mono Construction
Remarks[edit]
- Other models in the same series:
- Hitachi HA-2700
- Hitachi HA-3700
- Hitachi HA-4700
- Hitachi HA-5700
- Hitachi HA-7700
- Hitachi HA-8700
Pictures[edit]
- Image: Hitachi HA-7700
- Excerpt from brochure: Hitachi HA-7700, HA-8700
- Extract from brochure: Hitachi HA-7700
Tests[edit]
- Stereoplay April 1981 9 amplifiers in comparison
Reports[edit]