Difference between revisions of "Sansui QA-7000"
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− | == | + | == Data == |
− | {{ | + | {{navigation}} |
− | ''' | + | '''General''' |
− | * | + | * Manufacturer: [[Sansui]] |
− | * | + | * Model: QA-7000 |
− | * | + | * Type: Quadrophonic / Stereo integrated amplifier |
− | * | + | * Made in: Japan |
− | * | + | * Color: Black |
− | * | + | * Construction period: 1973 - 1976 |
− | * | + | * Power consumption: 340 W |
− | * | + | * Dimensions: (WxHxD) 440 x 140 x 322 mm. |
− | * | + | * Weight: 14 kg |
− | * | + | * Original price approx.: 137'000 Yen (Japan, 1973), 550 US-$, 2'850 DM |
− | ''' | + | '''Connections''' |
− | * | + | * Number of inputs: |
− | ** Phono 1 & 2: 2 | + | ** Phono 1 & 2: 2.5 mV, 50 kOhm. |
− | + | 2-channel tape deck RCA: 100 mV, 50 kOhm | |
− | + | 2-channel tape deck DIN socket: 100 mV, 50 kOhm | |
− | ** 4- | + | ** 4-channel tuner: 100 mV, 50 kOhm |
− | ** 4- | + | ** 4-channel Aux 1 & 2: 100 mV, 50 kOhm |
− | ** 4- | + | ** 4-channel tape deck 1 & 2: 100 mV, 50 kOhm |
− | ** | + | ** Power amp input: 800 mV, 50 kOhm |
− | + | * Number of outputs: | |
− | * | + | ** Tape Deck RCA: 100 mV, 2 kOhm |
− | ** Tape Deck | ||
** Tape Deck DIN: 30 mV, 65 kOhm | ** Tape Deck DIN: 30 mV, 65 kOhm | ||
− | ** | + | ** Preamp output: 800 mV, 600 Ohm (Max. level: 6.5 V at <0.5% THD) |
− | ** | + | ** Terminals for 4 speakers |
− | ''' | + | '''Technical Data''' |
− | * | + | * Continuous power (at THD) |
** 8 Ohm: 4 x 15 W | ** 8 Ohm: 4 x 15 W | ||
− | + | 8 Ohm BTL: 2 x 40 W | |
− | * | + | * Dynamic power |
** 4 Ohm: 108 W | ** 4 Ohm: 108 W | ||
** 4 Ohm BTL: 160 W | ** 4 Ohm BTL: 160 W | ||
− | * | + | * Total harmonic distortion: < 0.1% |
− | * | + | * Attenuation factor: 100 at 8 Ohm |
− | * | + | * Overall frequency response: 10 - 30'000 Hz |
− | * | + | * Signal to noise ratio: |
− | ** Phono 1 & 2: | + | ** Phono 1 & 2: >70 dB |
− | ** Tuner: | + | ** Tuner: >80 dB |
− | + | Aux: >80 dB | |
− | ** | + | ** Power Amplifier Input: >90 dB |
− | * | + | * Tone control: |
** Bass: ± 15 dB | ** Bass: ± 15 dB | ||
− | + | Treble: ± 15 dB | |
− | ''' | + | '''Special Features''' |
− | * | + | * Switchable 2-channel or 4-channel operation: |
− | ** 4- | + | ** 4-channel function QS Synthesizer: |
− | *** | + | *** Reverb |
+ | Surround | ||
+ | ** 4-channel function QS Regular Matrix: | ||
+ | *** Reverb | ||
*** Surround | *** Surround | ||
− | ** 4- | + | ** 4-channel Phase Matrix |
− | + | ** 4-channel discrete | |
− | + | * 1 Tape connection according to DIN | |
− | |||
− | ** 4- | ||
− | * 1 Tape | ||
* Low Filter | * Low Filter | ||
* High Filter | * High Filter | ||
− | * Loudness: + 8 dB | + | * Loudness: + 8 dB at 50 Hz, + 3 dB at 10 kHz |
* Muting: - 20 dB | * Muting: - 20 dB | ||
− | * 4- | + | * 4-channel pre- and power amplifier can be separated |
− | * | + | * Connections for 4 speakers |
+ | |||
+ | |||
+ | ==Notes== | ||
+ | * Other models in the same series: | ||
+ | * Stereo amplifier: | ||
+ | * [[Sansui AU-6500]] | ||
+ | * [[Sansui AU-7500]] | ||
+ | * [[Sansui AU-8500]] | ||
+ | * [[Sansui AU-9500]] | ||
+ | |||
+ | * [[Quadro Amplifier]] | ||
+ | * [[Sansui QA-7000]] | ||
− | |||
− | |||
− | |||
− | |||
− | |||
− | |||
− | * | + | * Tuner: |
− | ** [[Sansui | + | * [[Sansui TU-7500]] |
+ | * [[Sansui TU-9500]] | ||
− | |||
− | |||
− | * | + | * This model was also available in Japan as the QSC-9050 without a power amplifier. See also: |
** Sansui QSC-9050 [http://audio-heritage.jp/SANSUI/amp/qsc-9050.html] | ** Sansui QSC-9050 [http://audio-heritage.jp/SANSUI/amp/qsc-9050.html] | ||
− | == | + | == Pictures == |
− | * Sansui QA-7000 | + | * Image: Sansui QA-7000 |
− | [[ | + | [[File:Sansui QA-7000-2.JPG]] |
− | * Sansui QA-7000 | + | * Picture: Sansui QA-7000 interior view |
− | [[ | + | [[File:Sansui QA-7000-11.jpg]] |
− | * Sansui QA-7000 | + | * Image: Sansui QA-7000 rear view |
− | [[ | + | [[File:Sansui QA-7000-10.jpg]] |
− | * Sansui QA-7000 | + | * Image: Sansui QA-7000 original instruction manual for operation |
− | [[ | + | [[File:Sansui QA-7000-Specs-2.jpg]] |
− | == | + | == Reports == |
− | * | + | * External link: [[Hifi Studio]] review: [https://web.archive.org/web/20140403005627/http://www.hifi-studio.de/hifi-klassiker/sansui_Q_series.htm] |
− | * | + | * External Link: "Stereo Raven" restoration report: [http://stereoraven.com/amplifiers-2/sansui-2/sansui-qa-7000] |
== Links == | == Links == | ||
− | * | + | * External link: "Hifi Archive" website: [http://www.hifi-archiv.info/Sansui/1973/01.jpg] |
− | * | + | * External Link: "Audio Database" website: [http://audio-database.com/SANSUI/amp/qa-7000-e.html] |
− | * | + | * External link: "Audio Heritage, Japan" website: [http://audio-heritage.jp/SANSUI/amp/qa-7000.html] |
− | [[ | + | [[Category:Integrated Amplifier]] |
Latest revision as of 09:41, 29 January 2019
Data[edit]
General
- Manufacturer: Sansui
- Model: QA-7000
- Type: Quadrophonic / Stereo integrated amplifier
- Made in: Japan
- Color: Black
- Construction period: 1973 - 1976
- Power consumption: 340 W
- Dimensions: (WxHxD) 440 x 140 x 322 mm.
- Weight: 14 kg
- Original price approx.: 137'000 Yen (Japan, 1973), 550 US-$, 2'850 DM
Connections
- Number of inputs:
- Phono 1 & 2: 2.5 mV, 50 kOhm.
2-channel tape deck RCA: 100 mV, 50 kOhm 2-channel tape deck DIN socket: 100 mV, 50 kOhm
- 4-channel tuner: 100 mV, 50 kOhm
- 4-channel Aux 1 & 2: 100 mV, 50 kOhm
- 4-channel tape deck 1 & 2: 100 mV, 50 kOhm
- Power amp input: 800 mV, 50 kOhm
- Number of outputs:
- Tape Deck RCA: 100 mV, 2 kOhm
- Tape Deck DIN: 30 mV, 65 kOhm
- Preamp output: 800 mV, 600 Ohm (Max. level: 6.5 V at <0.5% THD)
- Terminals for 4 speakers
Technical Data
- Continuous power (at THD)
- 8 Ohm: 4 x 15 W
8 Ohm BTL: 2 x 40 W
- Dynamic power
- 4 Ohm: 108 W
- 4 Ohm BTL: 160 W
- Total harmonic distortion: < 0.1%
- Attenuation factor: 100 at 8 Ohm
- Overall frequency response: 10 - 30'000 Hz
- Signal to noise ratio:
- Phono 1 & 2: >70 dB
- Tuner: >80 dB
Aux: >80 dB
- Power Amplifier Input: >90 dB
- Tone control:
- Bass: ± 15 dB
Treble: ± 15 dB
Special Features
- Switchable 2-channel or 4-channel operation:
- 4-channel function QS Synthesizer:
- Reverb
- 4-channel function QS Synthesizer:
Surround
- 4-channel function QS Regular Matrix:
- Reverb
- Surround
- 4-channel Phase Matrix
- 4-channel discrete
- 4-channel function QS Regular Matrix:
- 1 Tape connection according to DIN
- Low Filter
- High Filter
- Loudness: + 8 dB at 50 Hz, + 3 dB at 10 kHz
- Muting: - 20 dB
- 4-channel pre- and power amplifier can be separated
- Connections for 4 speakers
Notes[edit]
- Other models in the same series:
- Stereo amplifier:
- Sansui AU-6500
- Sansui AU-7500
- Sansui AU-8500
- Sansui AU-9500
- Tuner:
- Sansui TU-7500
- Sansui TU-9500
- This model was also available in Japan as the QSC-9050 without a power amplifier. See also:
- Sansui QSC-9050 [1]
Pictures[edit]
- Image: Sansui QA-7000
- Picture: Sansui QA-7000 interior view
- Image: Sansui QA-7000 rear view
- Image: Sansui QA-7000 original instruction manual for operation
Reports[edit]
- External link: Hifi Studio review: [2]
- External Link: "Stereo Raven" restoration report: [3]
Links[edit]
- External link: "Hifi Archive" website: [4]
- External Link: "Audio Database" website: [5]
- External link: "Audio Heritage, Japan" website: [6]